problem moving gmirror between two machines.
cmdlnkid at gmail.com
Sun Nov 16 19:46:48 PST 2008
On Sun, 16 Nov 2008 21:29 -0000, hartzell wrote:
> 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:
> > http://yds.coolrat.org/zfsboot.shtml
> > 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
> > current.
> > 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
> > it.
> > 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.
Wouldn't it be more feasible in this situation to just glabel the disks
and mount them from /dev/<fstype>/<label> instead. Might make your life
easier in the future for swapping disks.
/dev/ufs/tmp on /tmp (ufs, asynchronous, local, gjournal)
/dev/ufs/usr on /usr (ufs, local, soft-updates)
/dev/ufs/var on /var (ufs, local, soft-updates)
Sincerely, -- Jason H. ;; Networked Systems Engineering.
The Command Line Kid. ;; Multi-user Systems Advocate.
mailto:gmail.com!cmdlnkid ;; 1(616)403-XXXX / BSD Group.
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