On Mon, Mar 03, 2014 at 11:17:05AM +0200 I heard the voice of
Andriy Gapon, and lo! it spake thus:
> I noticed that on some of our systems we were getting a clearly
> abnormal number of l2arc checksum errors accounted in l2_cksum_bad.
> The hardware appeared to be in good health.
FWIW, I have a system here where I see similar things; after
sufficient uptime it shows an impressive number and proportion of
checksum errors (50% or more of the hits, eventually), since at least
sometime last fall. No indication anywhere else of problems (CAM,
SMART, zpool status).
Haven't tried the patches. It would take most of a month of seeing
nothing to have much confidence they did anything anyway; it's got >2
weeks now and only ~500 errors, so it takes a long time with this
system/workload to ramp up. But it'd be a nice fix to have, so mark
me up as a user-vote for landing if the code makes sense to the
Matthew Fuller (MF4839) | fulle...@over-yonder.net
Systems/Network Administrator | http://www.over-yonder.net/~fullermd/
On the Internet, nobody can hear you scream.
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