Re: sata_sil, writing bug with multiple cards?

From: Tejun Heo
Date: Tue Jul 03 2007 - 23:53:46 EST


7091@xxxxxxxxxx wrote:
> Apologies for the chain-replying to myself, just replying as I think of
> things to try.
> 7091@xxxxxxxxxx writes:
>> Here's an odd data point.
>> I just broke that array, formatted all three of those partitions
>> seperately, mounted and did my ISO copy test.
>> All three drives, run one at a time, function fine. No corruption.
>
> Here's another odd one. I did the following:
> # Mount all 3 drives as individuals...
> mount /dev/sda1 /mnt/a
> mount /dev/sdb1 /mnt/b
> mount /dev/sdc1 /mnt/c
> # Copy the same file to all three drives at the same time
> cp KNOPPIX_V5.1.0CD-2006-12-30-EN.iso a/kn10.iso &
> cp KNOPPIX_V5.1.0CD-2006-12-30-EN.iso b/kn10.iso &
> cp KNOPPIX_V5.1.0CD-2006-12-30-EN.iso c/kn10.iso &
> Got massive corruption.

Hmmm... I don't think this is sata_sil driver bug. cc'ing Andi Kleen
and lkml. Andi, the original thread can be read from

http://thread.gmane.org/gmane.linux.ide/20213

Any ideas?

--
tejun
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