Hi all,
I'm seeing some puzzling behaviour with my RAID-Z.
loki# uname -a
FreeBSD loki.local 8.2-RELEASE-p1 FreeBSD 8.2-RELEASE-p1 #4: Sat Apr 30
10:39:46 PDT 2011
jpaet...@servant.ixsystems.com:/usr/home/jpaetzel/freenas/obj.amd64/usr/home/jpaetzel/freenas/FreeBSD/src/sys/FREENAS.amd64
amd64
loki# zpool status storage
pool: storage
state: DEGRADED
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
storage DEGRADED 0 0 0
raidz1 DEGRADED 0 0 0
da2 ONLINE 0 0 0
replacing DEGRADED 0 0 0
da0/old OFFLINE 0 0 0
da0 ONLINE 0 0 0
da1 ONLINE 0 0 0
da3 ONLINE 0 0 0
da4 ONLINE 0 0 0
da5 ONLINE 0 0 0
cache
da2 ONLINE 0 0 0
errors: No known data errors
This was after a drive (da0) died, which I replaced, resilvered then upgraded
the pool to v15.
My strong belief is that da2 has always been a cache drive (a 256Gb SSD) and
has never been a part of "storage". The drive labelled da2 in "storage" had
previously been da6, but obviously there's now some kind of weird label
duplication issue, in addition to a never ending "replacing" process for da0.
loki# ls /dev/da?
/dev/da0 /dev/da1 /dev/da2 /dev/da3 /dev/da4
/dev/da5 /dev/da6
All other da? drives are 2Tb spinning discs and seem to be in good working
order. The filesystems are all accessible and operational with no corruption
that I can see. It should be noted that da2 in the pool had 2 checksum errors
prior to clearing and da2 in caches reported corruption immediately after I
replaced da0.
I've tried exporting/importing, scrubbing, clearing, removing da2, removing
da0/old and even rebooting the whole machine. Not made any headway and stumped
as to what I should try next. Any advice would be greatly appreciated.
- Andrew
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