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How RAID 0 SSD on Pfsense

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  • P
    pixfour
    last edited by Oct 9, 2017, 3:38 AM

    Hello,

    I been trying to figure out how to do a raid 0 on our pfsense server for a couple of days already but I can't find it on any forum. We are planning to use pfsense as cache server that's why we need to Install it to a raid 0 configuration for faster data transfer. I hope anyone could help me figure out this concern.

    Thank You.

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    • D
      Derelict LAYER 8 Netgate
      last edited by Oct 9, 2017, 8:12 AM

      If you really want to use RAID 0 I believe your only choice is to use a compatible RAID controller that presents its striped disks to pfSense as one disk.

      There is no built-in facility in pfSense for striping disks.

      2.3.4_1: https://www.freebsd.org/releases/10.3R/hardware.html

      2.4.0: https://www.freebsd.org/releases/11.1R/hardware.html

      Chattanooga, Tennessee, USA
      A comprehensive network diagram is worth 10,000 words and 15 conference calls.
      DO NOT set a source address/port in a port forward or firewall rule unless you KNOW you need it!
      Do Not Chat For Help! NO_WAN_EGRESS(TM)

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      • G
        Grimson Banned
        last edited by Oct 9, 2017, 9:54 AM

        @Derelict:

        There is no built-in facility in pfSense for striping disks.

        Not even with ZFS in 2.4?

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        • D
          doktornotor Banned
          last edited by Oct 9, 2017, 10:19 AM

          There is no such thing supported anywhere. And look, the cache performance gain you'll see from SSDs in RAID-0 is just in your imagination. Are you on 10Gbit LAN serving thousands of clients or what?

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          • T
            tirsojrp
            last edited by Oct 9, 2017, 10:35 AM

            1 - A modern 2xSSD Raid0 on SATA3 ports would need 10gbit to be saturated. Asuming 500+MB/s disks. A single NVMe disk would beat it easily.

            2 - Web caching is not that effective right now as nearly everything is encrypted and dynamic. That means a lot of stuff to configure to get it done.

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            • K
              kpa
              last edited by Oct 9, 2017, 11:35 AM

              On vanilla FreeBSD there is gstripe but that seems to be disabled on pfSense. I doubt that it would give you what you want anyway.

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              • ?
                Guest
                last edited by Oct 9, 2017, 11:43 AM

                Don't do it. A single SSD can saturate practically all network links. Mostly because even with 10GbE you'll still have on-disk compression, caches in RAM and the possibility of using ZFS and having two disks in a pool to increase IO.

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