problem moving gmirror between two machines.
hartzell at alerce.com
Sun Nov 16 18:29:53 PST 2008
George Hartzell writes:
> I have an HP DL360 with a pair of 1TB seagate disks that's been
> running -STABLE with a ZFS root partition set up using the tools
> available here:
> It's been working great. As part of trying to understand what's going
> on, I csup'ed to -RELENG earlier today and rebuilt/installed the
> kernel and world whilst running on the DL360, so everything should be
> I tried to move the disks into an HP DL320 G4 and it fails to boot
> because it can't find /dev/mirror/boot (which it wants to mount onto
> /strap and then parts get nullfs'ed onto /boot and /rescue). It gives
> me the opportunity to start a shell, and from that shell I can do a
> zfs mount -a and get all of the zfs filesystems mounted, but there's
> nothing in /dev/mirror. No gmirror status and list are silent.
> I can move the disks back into the older machine and they work fine.
> I've run fdisk -s ad4 and bsdlabel -A /dev/ad4s1a and diffed the
> output from the two machines and they're identical.
> I've booted with kern.geom.mirror.debug=2 and the DL320G4 tastes
> /dev/ad4s1a (along with everything else) but doesn't do anything with
> Any ideas?
[for the archives]
Solved. gmirror had been set up with -h specifying the device, and
although the newer server used the same device names for its disks
(ad) it assigned them to different hot swap bays. Once I switched
the disks everything came up fine.
More information about the freebsd-stable