Could anyone give me some possible problems that would have created the
following scenario?
Testing the conversion of a ZFS Pool on a hardware mirror to that same
ZFS Pool using ZFS mirroring, by breaking the mirror, attaching the 2nd
disk to the pool...
bash-3.00# zpool scrub zpool02
bash-3.00# zpool status
pool: zpool02
state: ONLINE
scrub: scrub in progress, 14.70% done, 0h0m to go
config:
NAME STATE READ WRITE CKSUM
zpool02 ONLINE 0 0 0
c1t2d0 ONLINE 0 0 0
errors: No known data errors
bash-3.00# zpool status
pool: zpool02
state: ONLINE
scrub: scrub completed with 0 errors on Mon Aug 13 13:27:19 2007
config:
NAME STATE READ WRITE CKSUM
zpool02 ONLINE 0 0 0
c1t2d0 ONLINE 0 0 0
errors: No known data errors
...Reboot here, goto LSI Logic Controller BIOS and break mirror...
bash-3.00# zpool attach zpool02 c1t2d0 c1t3d0
bash-3.00# zpool status
pool: zpool02
state: ONLINE
status: One or more devices is currently being resilvered. The pool
will
continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
scrub: resilver in progress, 1.33% done, 0h6m to go
config:
NAME STATE READ WRITE CKSUM
zpool02 ONLINE 0 0 0
mirror ONLINE 0 0 0
c1t2d0 ONLINE 0 0 0
c1t3d0 ONLINE 0 0 0
errors: No known data errors
bash-3.00# zpool status
pool: zpool02
state: ONLINE
scrub: resilver completed with 0 errors on Mon Aug 13 13:39:02 2007
config:
NAME STATE READ WRITE CKSUM
zpool02 ONLINE 0 0 0
mirror ONLINE 0 0 0
c1t2d0 ONLINE 0 0 0
c1t3d0 ONLINE 0 0 0
errors: No known data errors
bash-3.00# zpool scrub zpool02
bash-3.00# zpool status
pool: zpool02
state: ONLINE
scrub: scrub completed with 0 errors on Mon Aug 13 13:40:02 2007
config:
NAME STATE READ WRITE CKSUM
zpool02 ONLINE 0 0 0
mirror ONLINE 0 0 0
c1t2d0 ONLINE 0 0 0
c1t3d0 ONLINE 0 0 0
errors: No known data errors
bash-3.00# zpool export zpool02
bash-3.00# zpool status
no pools available
bash-3.00# zpool import
pool: zpool02
id: 8492325208725543806
state: FAULTED
action: The pool cannot be imported due to damaged devices or data.
config:
zpool02 UNAVAIL insufficient replicas
mirror UNAVAIL corrupted data
c1t2d0 ONLINE
c1t3d0 ONLINE
bash-3.00# uname -a
SunOS sandbox01 5.10 Generic_118855-36 i86pc i386 i86pc
Simply put I was just trying to export and import for giggles, I didn't
imagine it would cause problems. There was some desire to change the
pool name, but that was cosmetic and I didn't actually try it at the
point where the fault happened. The pool had 1 zfs filesystem - /opt
containing all the Solaris Software Collection CD packages...meaning
nothing important, but enough junk to take up a descent chunk of space.
Do I have any alternatives here other than to forcefully recreate the
pool, reinstall the software and go through the process again?
--
Sean
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