Messages in this thread | | | From | Neil Brown <> | Date | Wed, 13 Dec 2006 11:53:16 +1100 | Subject | Re: 2.6.19-mm1 (md/raid1 randomly drops partitions - possible sata_uli problem) |
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On Tuesday December 12, rjw@sisk.pl wrote: > > > > So when md writes to write out the superblock, to gets EIO... Odd that > > you aren't getting errors for normal writes. > > > > What devices are the md/raid1 built on? > > Sata drives, on sata_uli. > > > > > > > I'll try to reproduce it tomorrow and collect some more information. > > > > Thanks. More information is definitely better than less, so send over > > anything you can find. > > Okay, seems to be readily reproducible, dmesg output from the failing kernel > attached.
Weird. You are getting silent write errors...
Can you write to these drives are all? e.g.
dd if=/dev/sdb3 of=/tmp/tmp count=1 dd if=/tmp/tmp of=/dev/sdb3 oflag=direct
(hopefully 'direct' will cause write errors to be passed up).
I really think this looks like a sata problem, not an md problem.
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