After replacing a bad disk and waiting for the resilver to complete, I
started a scrub of the pool. Currently, I have the pool mounted
readonly, yet almost a quarter of the I/O is writes to the new disk.
In fact, it looks like there are so many checksum errors, that zpool
doesn't even list them properly:
pool: p
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: scrub in progress, 18.71% done, 2h17m to go
config:
NAME STATE READ WRITE CKSUM
p ONLINE 0 0 0
raidz1 ONLINE 0 0 0
c2d0 ONLINE 0 0 0
c3d0 ONLINE 0 0 0
c5d0 ONLINE 0 0 0
c4d0 ONLINE 0 0 231.5
errors: No known data errors
I assume that that should be followed by a K. Is my brand new
replacement disk really returning gigabyte after gigabyte of silently
corrupted data? I find that quite amazing, and I thought that I would
inquire here. This is on snv_60.
Chris
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