I had a strange ZFS problem this morning. The entire system would hang when
mounting the ZFS filesystems. After trial and error I determined that the
problem was with one of the 2500 ZFS filesystems. When mounting that users'
home the system would hang and need to be rebooted. After I removed the
snapshots (9 of them) for that filesystem everything was fine.
I don't know how to reproduce this and didn't get a crash dump. I don't
remember seeing anything about this before so I wanted to report it and see if
anyone has any ideas.
The system is a Sun Fire 280R with 3GB of RAM running SXCR b40.
The pool looks like this (I'm running a scrub currently):
# zpool status pool1
pool: pool1
state: ONLINE
scrub: scrub in progress, 78.61% done, 0h18m to go
config:
NAME STATE READ WRITE CKSUM
pool1 ONLINE 0 0 0
raidz ONLINE 0 0 0
c1t8d0 ONLINE 0 0 0
c1t9d0 ONLINE 0 0 0
c1t10d0 ONLINE 0 0 0
c1t11d0 ONLINE 0 0 0
errors: No known data errors
Ben
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