[Bug 209940] FreeBSD installer for ZFS destroys RAID and fails (and hangs)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Mon Jun 13 23:21:02 UTC 2016


Allan Jude <allanjude at FreeBSD.org> changed:

           What    |Removed                     |Added
           Assignee|freebsd-sysinstall at FreeBSD. |allanjude at FreeBSD.org
                   |org                         |
             Status|New                         |Open
                 CC|                            |allanjude at FreeBSD.org

--- Comment #2 from Allan Jude <allanjude at FreeBSD.org> ---
This is a really poor configuration. You really should use ZFS's mirroring
rather than the BIOS RAID1.

The main reason is that if ZFS finds a checksum error, but is only configured
as a stripe across a single virtual disk (the RAID1), then it will not be able
to correct the error. ZFS also has a better load balancing algorithm for using
the mirrored disks when it controls the mirror.

I will investigate this bug, but the ZFS portion of the installer is not
intended to be used with graid, but rather in place of it.

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