Hi,
today I issued a scrub on one of my zpools and after some time I noticed
that one of the vdevs became degraded due to some drive having cksum
errors. The spare kicked in and the drive got resilvered, but why does
the spare drive now also show almost the same number of cksum errors, as
the degraded drive?
root@solaris11c:~# zpool status obelixData
pool: obelixData
state: DEGRADED
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
scan: resilvered 1,12T in 10h50m with 0 errors on Sun May 27 21:15:32
2012
config:
NAME STATE READ WRITE CKSUM
obelixData DEGRADED 0 0 0
mirror-0 ONLINE 0 0 0
c9t2100001378AC02DDd1 ONLINE 0 0 0
c9t2100001378AC02F4d1 ONLINE 0 0 0
mirror-1 ONLINE 0 0 0
c9t2100001378AC02F4d0 ONLINE 0 0 0
c9t2100001378AC02DDd0 ONLINE 0 0 0
mirror-2 ONLINE 0 0 0
c9t2100001378AC02DDd2 ONLINE 0 0 0
c9t2100001378AC02F4d2 ONLINE 0 0 0
mirror-3 ONLINE 0 0 0
c9t2100001378AC02DDd3 ONLINE 0 0 0
c9t2100001378AC02F4d3 ONLINE 0 0 0
mirror-4 ONLINE 0 0 0
c9t2100001378AC02DDd5 ONLINE 0 0 0
c9t2100001378AC02F4d5 ONLINE 0 0 0
mirror-5 ONLINE 0 0 0
c9t2100001378AC02DDd4 ONLINE 0 0 0
c9t2100001378AC02F4d4 ONLINE 0 0 0
mirror-6 ONLINE 0 0 0
c9t2100001378AC02DDd6 ONLINE 0 0 0
c9t2100001378AC02F4d6 ONLINE 0 0 0
mirror-7 ONLINE 0 0 0
c9t2100001378AC02DDd7 ONLINE 0 0 0
c9t2100001378AC02F4d7 ONLINE 0 0 0
mirror-8 ONLINE 0 0 0
c9t2100001378AC02DDd8 ONLINE 0 0 0
c9t2100001378AC02F4d8 ONLINE 0 0 0
mirror-9 DEGRADED 0 0 0
c9t2100001378AC02DDd9 ONLINE 0 0 0
spare-1 DEGRADED 0 0 10
c9t2100001378AC02F4d9 DEGRADED 0 0 22 too many errors
c9t2100001378AC02BFd1 ONLINE 0 0 23
mirror-10 ONLINE 0 0 0
c9t2100001378AC02DDd10 ONLINE 0 0 0
c9t2100001378AC02F4d10 ONLINE 0 0 0
mirror-11 ONLINE 0 0 0
c9t2100001378AC02DDd11 ONLINE 0 0 0
c9t2100001378AC02F4d11 ONLINE 0 0 0
mirror-12 ONLINE 0 0 0
c9t2100001378AC02DDd12 ONLINE 0 0 0
c9t2100001378AC02F4d12 ONLINE 0 0 0
mirror-13 ONLINE 0 0 0
c9t2100001378AC02DDd13 ONLINE 0 0 0
c9t2100001378AC02F4d13 ONLINE 0 0 0
mirror-14 ONLINE 0 0 0
c9t2100001378AC02DDd14 ONLINE 0 0 0
c9t2100001378AC02F4d14 ONLINE 0 0 0
logs
mirror-15 ONLINE 0 0 0
c9t2100001378AC02D9d0 ONLINE 0 0 0
c9t2100001378AC02BFd0 ONLINE 0 0 0
spares
c9t2100001378AC02BFd1 INUSE currently in use
What would be the best way to proceed? The drive c9t2100001378AC02BFd1
is the spare drive, that is tagged as ONLINE, but it shows 23 cksum
errors, while the drive that became degraded only shows 22 cksum errors.
What would be the best procedure to continue? Would one now first run
another scrub and detach the degraded drive afterwards, or detach the
degrades drive immediately and run a scrub afterwards?
Thanks,
budy
--
Stephan Budach
Jung von Matt/it-services GmbH
Glashüttenstraße 79
20357 Hamburg
Tel: +49 40-4321-1353
Fax: +49 40-4321-1114
E-Mail: stephan.bud...@jvm.de
Internet: http://www.jvm.com
Geschäftsführer: Frank Wilhelm, Stephan Budach (stellv.)
AG HH HRB 98380
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