Disk space issues

  • Hi, So I installed pfsense on a system with a large harddrive and let the system do all the partition work. I encountered an issue that is causing dhcp leases to fail:

    Dec 6 15:20:49 dhcpd: DHCPREQUEST for ( from 14:7d:c5:18:9e:8f (android-2dc1463dcd3fbd17) via em0: database update failed

    Doing some digging I believe this is due to the /var filesystem being full.
    login as: admin
    Using keyboard-interactive authentication.

    /var: write failed, filesystem is full
    *** Welcome to pfSense 2.1-RELEASE-pfSense (amd64) on pfsense ***

    [2.1-RELEASE][admin@pfsense.local]/var/log(8): df -h
    Filesystem    Size    Used  Avail Capacity  Mounted on
    /dev/ad4s1a    217G    1.6G    198G    1%    /
    devfs          1.0k    1.0k      0B  100%    /dev
    /dev/md0      495M    646k    455M    0%    /tmp
    /dev/md1      495M    495M    -39M  109%    /var
    devfs          1.0k    1.0k      0B  100%    /var/dhcpd/dev

    [2.1-RELEASE][admin@pfsense.local]/var(16): du -h /var/
    2.0k    /var/.snap
    2.0k    /var/db/entropy
    7.5M    /var/db/rrd
    2.0k    /var/db/ntop/rrd/graphics
    2.0k    /var/db/ntop/rrd/flows
    3.7M    /var/db/ntop/rrd/interfaces/em0
    3.7M    /var/db/ntop/rrd/interfaces
    3.8M    /var/db/ntop/rrd
    475M    /var/db/ntop
    2.0k    /var/db/pingstatus
    2.0k    /var/db/pingmsstatus
    483M    /var/db
    46k    /var/tmp
    46k    /var/run
    2.0k    /var/log/ntp
    9.3M    /var/log
    2.0k    /var/etc/openvpn
    2.0k    /var/etc/openvpn-csc
    2.0k    /var/etc/l2tp-vpn
    44k    /var/etc
    2.0k    /var/at/jobs
    4.0k    /var/at
    2.0k    /var/empty
    2.0k    /var/dhcpd/var/run
    2.0k    /var/dhcpd/var/db
    6.0k    /var/dhcpd/var
    512B    /var/dhcpd/dev/fd
    512B    /var/dhcpd/dev/led
    512B    /var/dhcpd/dev/usb
    512B    /var/dhcpd/dev/pts
    2.5k    /var/dhcpd/dev
    4.0k    /var/dhcpd/etc
    1.8M    /var/dhcpd/usr/local/sbin
    1.8M    /var/dhcpd/usr/local
    1.8M    /var/dhcpd/usr
    1.2M    /var/dhcpd/lib
    2.0k    /var/dhcpd/run
    3.0M    /var/dhcpd
    2.0k    /var/cron/tabs
    4.0k    /var/cron
    495M    /var/

    I thought this might be useful output, since it seemed quite easy for me to unintentionally exceed my disk partition size.

  • And naturally on further inspection I find it to be my fault. Ram disks are set to 512mb and ntop was running on said ramdisk. Neither of which are defaults.

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