Robert Milkowski wrote:
Hello Mark,
Sunday, August 13, 2006, 8:00:31 PM, you wrote:
MM> Robert Milkowski wrote:
Hello zfs-discuss,
bash-3.00# zpool status nfs-s5-s6
pool: nfs-s5-s6
state: ONLINE
status: One or more devices has experienced an unrecoverable error. An
attempt was made to correct the error. Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
using 'zpool clear' or replace the device with 'zpool replace'.
see: http://www.sun.com/msg/ZFS-8000-9P
scrub: resilver in progress, 0.05% done, 1735h27m to go
config:
NAME STATE READ WRITE CKSUM
nfs-s5-s6 ONLINE 0 0 1
c4t600C0FF00000000009258F4855B59001d0 ONLINE 0 0 1
errors: No known data errors
bash-3.00# zpool scrub -s nfs-s5-s6
cannot scrub nfs-s5-s6: currently resilvering
bash-3.00# zpool scrub nfs-s5-s6
cannot scrub nfs-s5-s6: currently resilvering
bash-3.00# zpool scrub -s nfs-s5-s6
cannot scrub nfs-s5-s6: currently resilvering
bash-3.00#
bash-3.00# uname -a
SunOS XXXXXXXX 5.11 snv_43 sun4u sparc SUNW,Sun-Fire-V240
bash-3.00#
1. I haven't started scrub
MM> Well, a resilver actually. This can be kicked off automatically.
MM> Did you just import this pool?
2. I can't stop it
MM> By design. See the man page:
MM> Because scrubbing and resilvering are I/O-intensive
MM> operations, ZFS only allows one at a time. If a scrub is
MM> already in progress, the "zpool scrub" command ter-
MM> minates it and starts a new scrub. If a resilver is in
MM> progress, ZFS does not allow a scrub to be started until
MM> the resilver completes.
MM> -Mark
Ooops, sorry - I didn't notice it was resilvering actually and not
scrubbing.
Pool was'nt just imported however server was cleanly rebooted.
And the pool is made of only one device - why resilvering then?
Yea, that does seem a little odd. Perhaps this is a "resilvering" of
the ditto blocks triggered by the checksum error flagged above. I don't
know off the top of my head... I will have to chat with the SPA guys.
-Mark
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