Hey Gary,
There appears to be a bug in the RAID-Z code that can generate
spurious checksum errors. I'm looking into it now and hope to have it
fixed in build 123 or 124. Apologies for the inconvenience.
Adam
On Aug 25, 2009, at 5:29 AM, Gary Gendel wrote:
I have a 5-500GB disk Raid-Z pool that has been producing checksum
errors right after upgrading SXCE to build 121. They seem to be
randomly occurring on all 5 disks, so it doesn't look like a disk
failure situation.
Repeatingly running a scrub on the pools randomly repairs between 20
and a few hundred checksum errors.
Since I hadn't physically touched the machine, it seems a very
strong coincidence that it started right after I upgraded to 121.
This machine is a SunFire v20z with a Marvell SATA 8-port controller
(the same one as in the original thumper). I've seen this kind of
problem way back around build 40-50 ish, but haven't seen it after
that until now.
Anyone else experiencing this problem or knows how to isolate the
problem definitively?
Thanks,
Gary
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Adam Leventhal, Fishworks http://blogs.sun.com/ahl
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