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    pfsense VM disk becomes full - please help identify the culprit?

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    • S
      sloopbun @provels
      last edited by

      @provels
      Since doing the reboot with filesystem check, my disk usage has jumped from 13G to 21G.

      [2.7.2-RELEASE][root@pfSense.spacelab]/root: df -hi
      Filesystem                     Size    Used   Avail Capacity iused ifree %iused  Mounted on
      /dev/ufsid/659ec5d8d33f9720    120G     22G     89G    20%     64k   16M    0%   /
      devfs                          1.0K      0B    1.0K     0%       0     0     -   /dev
      /dev/vtbd0p1                   260M    1.3M    259M     1%       2   510    0%   /boot/efi
      tmpfs                          4.0M    192K    3.8M     5%      56   14k    0%   /var/run
      
      [2.7.2-RELEASE][root@pfSense.spacelab]/root: du -h -d 1 /
      4.0K	/.snap
      101M	/boot
      4.5K	/dev
       16M	/rescue
      4.0K	/proc
       96M	/root
       10G	/var
      4.0K	/media
       12K	/conf.default
      4.0K	/mnt
      1.1M	/tmp
      4.6M	/sbin
       17M	/lib
      4.0K	/net
       15M	/cf
      164K	/libexec
      8.0M	/etc
      1.4M	/bin
      1.8G	/usr
       20K	/home
      1.1M	/tftpboot
       13G	/
      

      Host storage looks normal to me:

      root@pvepbs:~# zfs list
      NAME                       USED  AVAIL  REFER  MOUNTPOINT
      rpool                     41.2G   680G   104K  /rpool
      rpool/ROOT                2.46G   680G    96K  /rpool/ROOT
      rpool/ROOT/pve-1          2.46G   680G  2.46G  /
      rpool/data                33.5G   680G    96K  /rpool/data
      rpool/data/vm-100-disk-0    80K   680G    80K  -
      rpool/data/vm-100-disk-1  33.5G   680G  33.5G  -
      rpool/pbs_datastore         96K   600G    96K  /rpool/pbs_datastore
      rpool/var-lib-vz          5.06G   680G  5.06G  /var/lib/vz
      
      GertjanG 1 Reply Last reply Reply Quote 0
      • GertjanG
        Gertjan @sloopbun
        last edited by

        @sloopbun

        What pfSense packages are you using ?

        Have a look, at the /var/log/ folder, and all the /var/log/ sub folders.
        There are packages that log 'network' activity. If you have a lot of network activity, log files can grow to very fast, within a day, to several Gbytes. The solution would be : stop using the tools that log a lot, or don't have them log anymore.

        You /var/ :

        10G	/var
        

        I bet these 10G are mostly in /var/log/

        [23.09.1-RELEASE][root@pfSense.bhf.tld]/root: df -hi
        Filesystem                         Size    Used   Avail Capacity iused ifree %iused  Mounted on
        ......
        pfSense/var/log                     94G     86M     94G     0%     116  197M    0%   /var/log
        ......
        

        No "help me" PM's please. Use the forum, the community will thank you.
        Edit : and where are the logs ??

        S 1 Reply Last reply Reply Quote 0
        • S
          serbus @sloopbun
          last edited by

          @sloopbun

          Hello!

          I have seen something similar (?) when running a sparse guest fs on top of a thin-provisioned host fs.
          I dont run zfs/zvol on proxmox, so I dont know if this applies.

          https://forum.netgate.com/topic/166274/pfsense-hyper-v-vhdx-growing-like-crazy

          John

          Lex parsimoniae

          1 Reply Last reply Reply Quote 0
          • S
            sloopbun @Gertjan
            last edited by

            @Gertjan said in pfsense VM disk becomes full - please help identify the culprit?:

            @sloopbun

            What pfSense packages are you using ?

            Have a look, at the /var/log/ folder, and all the /var/log/ sub folders.
            There are packages that log 'network' activity. If you have a lot of network activity, log files can grow to very fast, within a day, to several Gbytes. The solution would be : stop using the tools that log a lot, or don't have them log anymore.

            You /var/ :

            10G	/var
            

            I bet these 10G are mostly in /var/log/

            [23.09.1-RELEASE][root@pfSense.bhf.tld]/root: df -hi
            Filesystem                         Size    Used   Avail Capacity iused ifree %iused  Mounted on
            ......
            pfSense/var/log                     94G     86M     94G     0%     116  197M    0%   /var/log
            ......
            

            Here are my packages, there is some logging, and I have deleted a bunch just to free up space, but the reported size of the /var/ directory does not balloon, just the lack of available space reported by df.

            Screenshot 2024-02-12 at 19.40.44.png

            @serbus said in pfsense VM disk becomes full - please help identify the culprit?:

            @sloopbun

            Hello!

            I have seen something similar (?) when running a sparse guest fs on top of a thin-provisioned host fs.
            I dont run zfs/zvol on proxmox, so I dont know if this applies.

            https://forum.netgate.com/topic/166274/pfsense-hyper-v-vhdx-growing-like-crazy

            John

            This is much more along the lines of what I have in mine. In proxmox, with zvol, there is a setting for "discard" which I have enabled.

            I note that the last reply on that thread was:

            @LesserBloops said in PfSense Hyper-V .vhdx growing like crazy:

            I hit this when I tried using ZFS as the file system with expanding disks. It went runaway and eventually caused an outage.

            I've been meaning to go back and try again with a fixed size disk instead of an expanding one, but haven't got around to it yet, and EXT seems to be fine...

            There are some parameters that I am not confident in the effects of such as volmode and reservation which I am hesitant to mess with with a recommendation to do so. I not that some parameters like logicalused and volsize represent the size of the disk that pfsense sees.

            I don't think this would seem to explain why the available space shown by df / progressively grows over time, without any file usage, but I would be happy to take advice on resolving this.

            The odd thing to me is that I thought this was a fairly standard practice, as explained in the docs here: https://docs.netgate.com/pfsense/en/latest/recipes/virtualize-proxmox-ve.html

            The fact that this is not a common issue points to it being a configuration issue on my behalf, right?

            root@pvepbs:~# zfs get all rpool/data/vm-100-disk-1
            NAME                      PROPERTY              VALUE                     SOURCE
            rpool/data/vm-100-disk-1  type                  volume                    -
            rpool/data/vm-100-disk-1  creation              Mon Jan  8 13:18 2024     -
            rpool/data/vm-100-disk-1  used                  33.5G                     -
            rpool/data/vm-100-disk-1  available             684G                      -
            rpool/data/vm-100-disk-1  referenced            33.5G                     -
            rpool/data/vm-100-disk-1  compressratio         3.58x                     -
            rpool/data/vm-100-disk-1  reservation           none                      default
            rpool/data/vm-100-disk-1  volsize               128G                      local
            rpool/data/vm-100-disk-1  volblocksize          16K                       default
            rpool/data/vm-100-disk-1  checksum              on                        default
            rpool/data/vm-100-disk-1  compression           on                        inherited from rpool
            rpool/data/vm-100-disk-1  readonly              off                       default
            rpool/data/vm-100-disk-1  createtxg             2282                      -
            rpool/data/vm-100-disk-1  copies                1                         default
            rpool/data/vm-100-disk-1  refreservation        none                      default
            rpool/data/vm-100-disk-1  guid                  7625546012721003177       -
            rpool/data/vm-100-disk-1  primarycache          all                       default
            rpool/data/vm-100-disk-1  secondarycache        all                       default
            rpool/data/vm-100-disk-1  usedbysnapshots       0B                        -
            rpool/data/vm-100-disk-1  usedbydataset         33.5G                     -
            rpool/data/vm-100-disk-1  usedbychildren        0B                        -
            rpool/data/vm-100-disk-1  usedbyrefreservation  0B                        -
            rpool/data/vm-100-disk-1  logbias               latency                   default
            rpool/data/vm-100-disk-1  objsetid              2013                      -
            rpool/data/vm-100-disk-1  dedup                 off                       default
            rpool/data/vm-100-disk-1  mlslabel              none                      default
            rpool/data/vm-100-disk-1  sync                  standard                  inherited from rpool
            rpool/data/vm-100-disk-1  refcompressratio      3.58x                     -
            rpool/data/vm-100-disk-1  written               33.5G                     -
            rpool/data/vm-100-disk-1  logicalused           119G                      -
            rpool/data/vm-100-disk-1  logicalreferenced     119G                      -
            rpool/data/vm-100-disk-1  volmode               default                   default
            rpool/data/vm-100-disk-1  snapshot_limit        none                      default
            rpool/data/vm-100-disk-1  snapshot_count        none                      default
            rpool/data/vm-100-disk-1  snapdev               hidden                    default
            rpool/data/vm-100-disk-1  context               none                      default
            rpool/data/vm-100-disk-1  fscontext             none                      default
            rpool/data/vm-100-disk-1  defcontext            none                      default
            rpool/data/vm-100-disk-1  rootcontext           none                      default
            rpool/data/vm-100-disk-1  redundant_metadata    all                       default
            rpool/data/vm-100-disk-1  encryption            off                       default
            rpool/data/vm-100-disk-1  keylocation           none                      default
            rpool/data/vm-100-disk-1  keyformat             none                      default
            rpool/data/vm-100-disk-1  pbkdf2iters           0                         default
            rpool/data/vm-100-disk-1  snapshots_changed     Mon Feb 12  9:32:58 2024  -
            
            S 1 Reply Last reply Reply Quote 0
            • S
              SteveITS Galactic Empire @sloopbun
              last edited by

              @sloopbun I remembered this thread https://forum.netgate.com/topic/183318/free-up-space-disk-storage-80/ with a similar report I think but it doesn't look like there was a resolution.

              Pre-2.7.2/23.09: Only install packages for your version, or risk breaking it. Select your branch in System/Update/Update Settings.
              When upgrading, allow 10-15 minutes to restart, or more depending on packages and device speed.
              Upvote 👍 helpful posts!

              S 1 Reply Last reply Reply Quote 0
              • S
                sloopbun @SteveITS
                last edited by

                @SteveITS said in pfsense VM disk becomes full - please help identify the culprit?:

                @sloopbun I remembered this thread https://forum.netgate.com/topic/183318/free-up-space-disk-storage-80/ with a similar report I think but it doesn't look like there was a resolution.

                In that thread, it is suggested that the command geom part list might reveal something, but it looks normal to me but maybe someone else can spot something?:

                [2.7.2-RELEASE][root@pfSense.spacelab]/root: geom part list
                Geom name: vtbd0
                modified: false
                state: OK
                fwheads: 16
                fwsectors: 63
                last: 268435415
                first: 40
                entries: 128
                scheme: GPT
                Providers:
                1. Name: vtbd0p1
                   Mediasize: 272629760 (260M)
                   Sectorsize: 512
                   Stripesize: 0
                   Stripeoffset: 20480
                   Mode: r1w1e1
                   efimedia: HD(1,GPT,616156c8-afd5-11ee-9ccd-e9881622351f,0x28,0x82000)
                   rawuuid: 616156c8-afd5-11ee-9ccd-e9881622351f
                   rawtype: c12a7328-f81f-11d2-ba4b-00a0c93ec93b
                   label: (null)
                   length: 272629760
                   offset: 20480
                   type: efi
                   index: 1
                   end: 532519
                   start: 40
                2. Name: vtbd0p2
                   Mediasize: 132871356416 (124G)
                   Sectorsize: 512
                   Stripesize: 0
                   Stripeoffset: 272650240
                   Mode: r1w1e2
                   efimedia: HD(2,GPT,6161bcfd-afd5-11ee-9ccd-e9881622351f,0x82028,0xf77e000)
                   rawuuid: 6161bcfd-afd5-11ee-9ccd-e9881622351f
                   rawtype: 516e7cb6-6ecf-11d6-8ff8-00022d09712b
                   label: (null)
                   length: 132871356416
                   offset: 272650240
                   type: freebsd-ufs
                   index: 2
                   end: 260046887
                   start: 532520
                3. Name: vtbd0p3
                   Mediasize: 4294926336 (4.0G)
                   Sectorsize: 512
                   Stripesize: 0
                   Stripeoffset: 133144006656
                   Mode: r1w1e1
                   efimedia: HD(3,GPT,616220f2-afd5-11ee-9ccd-e9881622351f,0xf800028,0x7fffb0)
                   rawuuid: 616220f2-afd5-11ee-9ccd-e9881622351f
                   rawtype: 516e7cb5-6ecf-11d6-8ff8-00022d09712b
                   label: (null)
                   length: 4294926336
                   offset: 133144006656
                   type: freebsd-swap
                   index: 3
                   end: 268435415
                   start: 260046888
                Consumers:
                1. Name: vtbd0
                   Mediasize: 137438953472 (128G)
                   Sectorsize: 512
                   Mode: r3w3e7
                
                [2.7.2-RELEASE][root@pfSense.spacelab]/root: gpart show -p
                =>       40  268435376    vtbd0  GPT  (128G)
                         40     532480  vtbd0p1  efi  (260M)
                     532520  259514368  vtbd0p2  freebsd-ufs  (124G)
                  260046888    8388528  vtbd0p3  freebsd-swap  (4.0G)
                

                After deleting some old logs and such, dushows just 4.8G of disk usage but df shows 26G used...

                [2.7.2-RELEASE][root@pfSense.spacelab]/root: du -h -d1 /
                4.0K	/.snap
                101M	/boot
                4.5K	/dev
                 16M	/rescue
                4.0K	/proc
                 96M	/root
                2.1G	/var
                4.0K	/media
                 12K	/conf.default
                4.0K	/mnt
                 13M	/tmp
                4.6M	/sbin
                 17M	/lib
                4.0K	/net
                 15M	/cf
                164K	/libexec
                8.0M	/etc
                1.4M	/bin
                1.8G	/usr
                 20K	/home
                1.1M	/tftpboot
                4.8G	/
                
                [2.7.2-RELEASE][root@pfSense.spacelab]/root: df -hi
                Filesystem                     Size    Used   Avail Capacity iused ifree %iused  Mounted on
                /dev/ufsid/659ec5d8d33f9720    120G     26G     85G    23%     55k   16M    0%   /
                devfs                          1.0K      0B    1.0K     0%       0     0     -   /dev
                /dev/vtbd0p1                   260M    1.3M    259M     1%       2   510    0%   /boot/efi
                tmpfs                          4.0M    192K    3.8M     5%      56   14k    0%   /var/run
                
                S 1 Reply Last reply Reply Quote 0
                • S
                  sloopbun @sloopbun
                  last edited by

                  I am not 100% sure, but I don't think I had this problem when I had pfsense on zfs, on top of the zvol in proxmox. I believe this kind of zfs on zfs is not recommended because it leads to write amplification, but it would be an improvement for me if another solution cannot be found.

                  I could go back to that. Or I could go back to bare-metal - but I am using this proxmox machine for backing up my other proxmox machine, so I would prefer not to at this stage. There is of course the other downside of losing proxmox managed backups and snapshots, but that is not a deal breaker.

                  S 1 Reply Last reply Reply Quote 0
                  • P
                    Popolou @sloopbun
                    last edited by

                    @sloopbun said in pfsense VM disk becomes full - please help identify the culprit?:

                    Since I had posted, my disk usage had gone from 13G to 19G.

                    Where are you checking this from, within pfsense or via the hypervisor/proxmox?

                    S 1 Reply Last reply Reply Quote 0
                    • S
                      sloopbun @Popolou
                      last edited by sloopbun

                      @Popolou said in pfsense VM disk becomes full - please help identify the culprit?:

                      @sloopbun said in pfsense VM disk becomes full - please help identify the culprit?:

                      Since I had posted, my disk usage had gone from 13G to 19G.

                      Where are you checking this from, within pfsense or via the hypervisor/proxmox?

                      From within pfsense. For example, below is the progression over a few hours today, but I do not see any change in the zvol reported on the host, proxmox.

                      root@pvepbs:~# date
                      Tue Feb 13 08:45:13 AM CET 2024
                      
                      root@pvepbs:~# zfs list rpool/data/vm-100-disk-1
                      NAME                       USED  AVAIL  REFER  MOUNTPOINT
                      rpool/data/vm-100-disk-1  33.4G   684G  33.4G  -
                      
                      root@pvepbs:~# date
                      Tue Feb 13 03:14:46 PM CET 2024
                      
                      root@pvepbs:~# zfs list rpool/data/vm-100-disk-1
                      NAME                       USED  AVAIL  REFER  MOUNTPOINT
                      rpool/data/vm-100-disk-1  33.2G   684G  33.2G  -
                      
                      [2.7.2-RELEASE][root@pfSense.spacelab]/root: date
                      Tue Feb 13 08:45:13 CET 2024
                      
                      [2.7.2-RELEASE][root@pfSense.spacelab]/root: df -hi /
                      Filesystem                     Size    Used   Avail Capacity iused ifree %iused  Mounted on
                      /dev/ufsid/659ec5d8d33f9720    120G     26G     85G    23%     55k   16M    0%   /
                      
                      [2.7.2-RELEASE][root@pfSense.spacelab]/root: date
                      Tue Feb 13 15:07:25 CET 2024
                      
                      [2.7.2-RELEASE][root@pfSense.spacelab]/root: df -hi /
                      Filesystem                     Size    Used   Avail Capacity iused ifree %iused  Mounted on
                      /dev/ufsid/659ec5d8d33f9720    120G     32G     79G    29%     55k   16M    0%   /
                      
                      [2.7.2-RELEASE][root@pfSense.spacelab]/root: du -h -d 1 /
                      4.0K	/.snap
                      101M	/boot
                      4.5K	/dev
                       16M	/rescue
                      4.0K	/proc
                       96M	/root
                      2.2G	/var
                      4.0K	/media
                       12K	/conf.default
                      4.0K	/mnt
                      9.8M	/tmp
                      4.6M	/sbin
                       17M	/lib
                      4.0K	/net
                       15M	/cf
                      164K	/libexec
                      8.0M	/etc
                      1.4M	/bin
                      1.8G	/usr
                       20K	/home
                      1.1M	/tftpboot
                      4.8G	/
                      
                      1 Reply Last reply Reply Quote 0
                      • S
                        serbus @sloopbun
                        last edited by

                        @sloopbun said in pfsense VM disk becomes full - please help identify the culprit?:

                        I believe this kind of zfs on zfs is not recommended

                        Hello!

                        It is not recommended.

                        Comparing the output from df and du can be problematic, such as when you mount over the top of a folder that already has files in it, or a file has been deleted but is still open.

                        You may need to try something like lsof or fstat to dig deeper.

                        John

                        Lex parsimoniae

                        S 1 Reply Last reply Reply Quote 0
                        • S
                          sloopbun @serbus
                          last edited by

                          @serbus Thanks for the suggestion. Any recommendation incantations of fstat and lsof? I thought I might find unlinked files with lsof, but lsof +L1 / did not show any 0 in the NLINK column.

                          Similarly, I am not sure what I am looking for with fstat...

                          [2.7.2-RELEASE][root@pfSense.spacelab]/root: fstat | awk '{print $5}' | sort | uniq -c | sort -nr
                           466 /
                           276 /dev
                           155 local
                            94 internet
                            83 pipe
                            44
                            39 /var/run
                            35 internet6
                            14 -
                            12 netgraph
                             3 route
                             3 pseudo-terminal
                             1 MOUNT
                          
                          S 1 Reply Last reply Reply Quote 0
                          • S
                            sloopbun @sloopbun
                            last edited by sloopbun

                            If I run five fsck from single user mode, as recommended in the docs, it shows no errors, even for the first run.

                            Screenshot 2024-02-13 at 19.43.57.png

                            But when I run fsck from the regular pfsense terminal, I have a lot of unreferenced files, though the free space is reported correctly because this is just after a fresh reboot.

                            That is weird, right?

                            fsck:

                            [2.7.2-RELEASE][root@pfSense.spacelab]/root: fsck -y /dev/ufsid/659ec5d8d33f9720
                            ** /dev/ufsid/659ec5d8d33f9720 (NO WRITE)
                            ** SU+J Recovering /dev/ufsid/659ec5d8d33f9720
                            
                            USE JOURNAL? no
                            
                            Skipping journal, falling through to full fsck
                            ** Last Mounted on /
                            ** Root file system
                            ** Phase 1 - Check Blocks and Sizes
                            INCORRECT BLOCK COUNT I=400686 (273856 should be 258944)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=641028 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=7371851 (383040 should be 382784)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=9615548 (896 should be 640)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=9615593 (144 should be 128)
                            CORRECT? no
                            
                            ** Phase 2 - Check Pathnames
                            ** Phase 3 - Check Connectivity
                            ** Phase 4 - Check Reference Counts
                            UNREF FILE I=400686  OWNER=root MODE=100600
                            SIZE=140112184 MTIME=Feb 13 19:53 2024
                            
                            CLEAR? no
                            
                            UNREF FILE I=15225275  OWNER=root MODE=100666
                            SIZE=0 MTIME=Feb 13 19:44 2024
                            
                            CLEAR? no
                            
                            ** Phase 5 - Check Cyl groups
                            FREE BLK COUNT(S) WRONG IN SUPERBLK
                            SALVAGE? no
                            
                            SUMMARY INFORMATION BAD
                            SALVAGE? no
                            
                            BLK(S) MISSING IN BIT MAPS
                            SALVAGE? no
                            
                            54742 files, 1317012 used, 30100372 free (4028 frags, 3762043 blocks, 0.0% fragmentation)
                            

                            [2.7.2-RELEASE][root@pfSense.spacelab]/root: fsck -y /
                            ** /dev/ufsid/659ec5d8d33f9720 (NO WRITE)
                            ** SU+J Recovering /dev/ufsid/659ec5d8d33f9720
                            
                            USE JOURNAL? no
                            
                            Skipping journal, falling through to full fsck
                            ** Last Mounted on /
                            ** Root file system
                            ** Phase 1 - Check Blocks and Sizes
                            INCORRECT BLOCK COUNT I=400686 (3136 should be 8)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=480777 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=480791 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=480799 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=480800 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=1041768 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=1041770 (2560 should be 768)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=1041771 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=2243678 (64 should be 8)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=3044945 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=3285252 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=3285261 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=3285294 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=3285301 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=3285324 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=6330120 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=6330142 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=7131638 (48 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=7131644 (960 should be 768)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=7131645 (16 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=7131718 (960 should be 768)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=7131722 (960 should be 768)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=7131734 (960 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=7131742 (960 should be 768)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=7131751 (960 should be 768)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=7371851 (380224 should be 380096)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=9615548 (624 should be 544)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=9615562 (48 should be 24)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=9695856 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=9855876 (2304 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=12100439 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=13542017 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=13542018 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=14102562 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=14102571 (48 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=14102821 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=14102834 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=15225288 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=15225289 (8 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=15225290 (48 should be 0)
                            CORRECT? no
                            
                            INCORRECT BLOCK COUNT I=15225291 (8 should be 0)
                            CORRECT? no
                            
                            ** Phase 2 - Check Pathnames
                            SETTING DIRTY FLAG IN READ_ONLY MODE
                            
                            UNEXPECTED SOFT UPDATE INCONSISTENCY
                            SETTING DIRTY FLAG IN READ_ONLY MODE
                            
                            UNEXPECTED SOFT UPDATE INCONSISTENCY
                            SETTING DIRTY FLAG IN READ_ONLY MODE
                            
                            UNEXPECTED SOFT UPDATE INCONSISTENCY
                            SETTING DIRTY FLAG IN READ_ONLY MODE
                            
                            UNEXPECTED SOFT UPDATE INCONSISTENCY
                            ** Phase 3 - Check Connectivity
                            UNREF DIR  I=7291717  OWNER=root MODE=40755
                            SIZE=512 MTIME=Feb 13 19:44 2024
                            
                            RECONNECT? no
                            
                            UNREF DIR  I=7291716  OWNER=root MODE=40755
                            SIZE=512 MTIME=Feb 13 19:44 2024
                            
                            RECONNECT? no
                            
                            UNREF DIR  I=7051269  OWNER=root MODE=40755
                            SIZE=512 MTIME=Feb 13 19:44 2024
                            
                            RECONNECT? no
                            
                            UNREF DIR  I=480792  OWNER=root MODE=40755
                            SIZE=512 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            UNREF DIR  I=480801  OWNER=root MODE=40755
                            SIZE=512 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            ** Phase 4 - Check Reference Counts
                            UNREF FILE  I=320567  OWNER=root MODE=100600
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=320569  OWNER=root MODE=100600
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=320570  OWNER=root MODE=100600
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=320571  OWNER=root MODE=100600
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=320572  OWNER=root MODE=100600
                            SIZE=888 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=320577  OWNER=root MODE=100600
                            SIZE=319 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=320579  OWNER=root MODE=100600
                            SIZE=503 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=320580  OWNER=root MODE=100600
                            SIZE=262 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            ZERO LENGTH DIR I=480777  OWNER=root MODE=40755
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            CLEAR? no
                            
                            ZERO LENGTH DIR I=480782  OWNER=root MODE=40755
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            CLEAR? no
                            
                            ZERO LENGTH DIR I=480783  OWNER=root MODE=40755
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            CLEAR? no
                            
                            ZERO LENGTH DIR I=480784  OWNER=root MODE=40755
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            CLEAR? no
                            
                            UNREF FILE  I=480785  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=480786  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=480787  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=480788  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=480789  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=480790  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            ZERO LENGTH DIR I=480791  OWNER=root MODE=40755
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            CLEAR? no
                            
                            UNREF DIR I=480792  OWNER=root MODE=40755
                            SIZE=512 MTIME=Feb 13 19:45 2024
                            
                            CLEAR? no
                            
                            ZERO LENGTH DIR I=480799  OWNER=root MODE=40755
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            CLEAR? no
                            
                            ZERO LENGTH DIR I=480800  OWNER=root MODE=40755
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            CLEAR? no
                            
                            UNREF DIR I=480801  OWNER=root MODE=40755
                            SIZE=512 MTIME=Feb 13 19:45 2024
                            
                            CLEAR? no
                            
                            UNREF FILE  I=961546  OWNER=root MODE=140666
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=1041770  OWNER=root MODE=100644
                            SIZE=1253376 MTIME=Feb  9 19:29 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=1041777  OWNER=root MODE=100644
                            SIZE=212992 MTIME=Dec  6 22:23 2023
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=1041802  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=1041810  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=2564108  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=2564118  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=2564120  OWNER=root MODE=140755
                            SIZE=0 MTIME=Feb 13 19:40 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=2564121  OWNER=root MODE=100600
                            SIZE=16384 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=2564122  OWNER=root MODE=140755
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            LINK COUNT DIR I=6330112  OWNER=root MODE=40755
                            SIZE=512 MTIME=Feb 13 19:45 2024  COUNT 6 SHOULD BE 5
                            ADJUST? no
                            
                            UNREF FILE  I=6330120  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=6330140  OWNER=root MODE=100644
                            SIZE=221 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=6330142  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=6810887  OWNER=root MODE=140666
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF DIR I=7051269  OWNER=root MODE=40755
                            SIZE=512 MTIME=Feb 13 19:44 2024
                            
                            CLEAR? no
                            
                            UNREF FILE  I=7131644  OWNER=root MODE=100644
                            SIZE=457710 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=7131656  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=7131662  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=7131681  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            LINK COUNT FILE I=7131688  OWNER=root MODE=100755
                            SIZE=348096 MTIME=Dec  8 18:07 2023  COUNT 4 SHOULD BE 3
                            ADJUST? no
                            
                            UNREF FILE  I=7131705  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=7131710  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=7131715  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=7131718  OWNER=root MODE=100644
                            SIZE=457244 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=7131722  OWNER=root MODE=100644
                            SIZE=457710 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=7131734  OWNER=root MODE=100644
                            SIZE=457710 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=7131742  OWNER=root MODE=100644
                            SIZE=457244 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=7131747  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=7131751  OWNER=root MODE=100644
                            SIZE=457710 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF DIR I=7291716  OWNER=root MODE=40755
                            SIZE=512 MTIME=Feb 13 19:44 2024
                            
                            CLEAR? no
                            
                            UNREF DIR I=7291717  OWNER=root MODE=40755
                            SIZE=512 MTIME=Feb 13 19:44 2024
                            
                            CLEAR? no
                            
                            LINK COUNT FILE I=9615549  OWNER=root MODE=100600
                            SIZE=11300 MTIME=Feb 12 22:11 2024  COUNT 2 SHOULD BE 1
                            ADJUST? no
                            
                            LINK COUNT FILE I=9615560  OWNER=root MODE=100600
                            SIZE=11448 MTIME=Feb 13 12:49 2024  COUNT 2 SHOULD BE 1
                            ADJUST? no
                            
                            UNREF FILE  I=9615576  OWNER=root MODE=100600
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            LINK COUNT FILE I=9615577  OWNER=root MODE=100600
                            SIZE=11293 MTIME=Feb 13 01:48 2024  COUNT 2 SHOULD BE 1
                            ADJUST? no
                            
                            LINK COUNT FILE I=9615578  OWNER=root MODE=100600
                            SIZE=11263 MTIME=Feb 13 09:11 2024  COUNT 2 SHOULD BE 1
                            ADJUST? no
                            
                            LINK COUNT FILE I=9615587  OWNER=root MODE=100600
                            SIZE=11258 MTIME=Feb 13 16:18 2024  COUNT 2 SHOULD BE 1
                            ADJUST? no
                            
                            LINK COUNT FILE I=9615588  OWNER=root MODE=100600
                            SIZE=11317 MTIME=Feb 13 05:42 2024  COUNT 2 SHOULD BE 1
                            ADJUST? no
                            
                            UNREF FILE  I=9615618  OWNER=root MODE=100600
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=9695987  OWNER=root MODE=100644
                            SIZE=2220 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            LINK COUNT DIR I=12099330  OWNER=root MODE=40755
                            SIZE=2560 MTIME=Feb 13 19:45 2024  COUNT 37 SHOULD BE 33
                            ADJUST? no
                            
                            UNREF FILE  I=12180487  OWNER=root MODE=100644
                            SIZE=568 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            ZERO LENGTH DIR I=12180505  OWNER=root MODE=40755
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            CLEAR? no
                            
                            ZERO LENGTH DIR I=12180506  OWNER=root MODE=40755
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            CLEAR? no
                            
                            ZERO LENGTH DIR I=12180507  OWNER=root MODE=40755
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            CLEAR? no
                            
                            UNREF FILE  I=12180508  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=12180509  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=12180510  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=12180511  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=12180512  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=12180513  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE I=15225275  OWNER=root MODE=100666
                            SIZE=0 MTIME=Feb 13 19:44 2024
                            
                            CLEAR? no
                            
                            UNREF FILE  I=15225276  OWNER=root MODE=100666
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=15225278  OWNER=root MODE=100644
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=15225299  OWNER=root MODE=100666
                            SIZE=0 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=15225300  OWNER=root MODE=100644
                            SIZE=1776 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            UNREF FILE  I=15225301  OWNER=root MODE=100644
                            SIZE=156665 MTIME=Feb 13 19:45 2024
                            
                            RECONNECT? no
                            
                            
                            CLEAR? no
                            
                            ** Phase 5 - Check Cyl groups
                            FREE BLK COUNT(S) WRONG IN SUPERBLK
                            SALVAGE? no
                            
                            SUMMARY INFORMATION BAD
                            SALVAGE? no
                            
                            BLK(S) MISSING IN BIT MAPS
                            SALVAGE? no
                            
                            ALLOCATED FILE 15225275 MARKED FREE
                            54697 files, 1280056 used, 30136626 free (4026 frags, 3766575 blocks, 0.0% fragmentation)
                            

                            [2.7.2-RELEASE][root@pfSense.spacelab]/root: df -hi /
                            Filesystem                     Size    Used   Avail Capacity iused ifree %iused  Mounted on
                            /dev/ufsid/659ec5d8d33f9720    120G    4.9G    105G     4%     55k   16M    0%   /
                            
                            S 1 Reply Last reply Reply Quote 0
                            • S
                              serbus @sloopbun
                              last edited by

                              @sloopbun

                              Hello!

                              This discussion and similar might have other leads you can follow.

                              John

                              Lex parsimoniae

                              S 1 Reply Last reply Reply Quote 0
                              • S
                                sloopbun @serbus
                                last edited by

                                @serbus Thanks. Open, or zombie procresses/files is a likely candidate, though I cannot find any. In that link there are a couple of commands for linux that makes sense to me, but either do not turn up any results, or do not work on freebsd. Any idea what their equivalent might be?

                                I am referring to are:

                                lsof | grep -i deleted
                                

                                which returns nothing, and:

                                [2.7.2-RELEASE][root@pfSense.spacelab]/: mount -o bind / /mnt
                                mount: /: mount option <bind> is unknown: Invalid argument
                                [2.7.2-RELEASE][root@pfSense.spacelab]/:
                                

                                which I think has an equivalent freebsd of:

                                mount -t nullfs / /mnt

                                Though once mounted, appear to be identical to /. No extra files in /mnt/var or anything...

                                Was there any other avenue of exploration you saw that might help?

                                Apart from the zombie processes/files, the other likely candidate in my mind is trim/discard/clean-up. What do you think about turning on trim for UFS in pfsense?

                                S 1 Reply Last reply Reply Quote 0
                                • S
                                  sloopbun @sloopbun
                                  last edited by

                                  To add an unhelpful update. This problem was still occurring a few days ago, so I restarted as usual to start the ticking time bomb again.

                                  I now have almost four days of uptime and available disk is in line with disk usage.

                                  I swear I did not change anything or try to fix anything since this thread went quiet. In fact I have been convincing myself to go back to bare metal. Super weird and I don't trust it...

                                  [2.7.2-RELEASE][root@pfSense.spacelab]/root: uptime
                                   9:19AM  up 3 days, 22:56, 2 users, load averages: 0.33, 0.22, 0.18
                                  
                                  [2.7.2-RELEASE][root@pfSense.spacelab]/root: df -h /
                                  Filesystem                     Size    Used   Avail Capacity  Mounted on
                                  /dev/ufsid/659ec5d8d33f9720    120G    5.8G    104G     5%    /
                                  
                                  [2.7.2-RELEASE][root@pfSense.spacelab]/root: du -h -d 1 /
                                  4.0K	/.snap
                                  101M	/boot
                                  4.5K	/dev
                                   16M	/rescue
                                  4.0K	/proc
                                   96M	/root
                                  3.1G	/var
                                  4.0K	/media
                                   12K	/conf.default
                                  4.0K	/mnt
                                  9.9M	/tmp
                                  4.6M	/sbin
                                   17M	/lib
                                  4.0K	/net
                                   16M	/cf
                                  164K	/libexec
                                  8.0M	/etc
                                  1.4M	/bin
                                  1.8G	/usr
                                   20K	/home
                                  1.1M	/tftpboot
                                  5.8G	/
                                  
                                  GPz1100G 1 Reply Last reply Reply Quote 0
                                  • GPz1100G
                                    GPz1100 @sloopbun
                                    last edited by

                                    @sloopbun Did you ever get this resolved? I'm about to commit to a proxmox vm install myself.

                                    1 Reply Last reply Reply Quote 0
                                    • triksT
                                      triks
                                      last edited by

                                      system > advanced > miscellaneous >

                                      (https://yourpfsenseip/system_advanced_misc.php)

                                      ![alt text](pfsense_ram_disk_size.png image url)

                                      I set mine to 1024 and 1024.

                                      triksT 1 Reply Last reply Reply Quote 0
                                      • triksT
                                        triks @triks
                                        last edited by

                                        @triks for anyone in the same boat, it ended up being NTOPNG that was filling the RAMDISK. Followed many posts but couldn't get it to save to SSD so removed it and that resolved the issue.

                                        1 Reply Last reply Reply Quote 0
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