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SubjectRe: 2.6.0-test2-mm1, ext3 (external journal): nasty filesystem corruption under high load
At 21:53 +1000 Neil Brown wrote:

>> Admittedly I was being pathological, but I've got a new toy to play with!
>> Our new server is a dual-Athlon, 1.5G RAM (the other .5 failed memtest) +
>> about 6GB swap, with 15x70GB drives running under gdth.o with 12 as the
>> RAID-5 set, and the journal on 2 as a RAID-1 pair. System on IDE for now.
[snip]
>> Amazingly I could still ssh in to the box and discover that its load had
>> more than likely broken 1000. However, the compile started to complain
>> bitterly about non-ASCII characters in source files, and indeed corruption
>> did occur (random overwriting, it would appear).
>
>Almost certainly a raid5 bug, fix by the following patch.

Sorry, I should have made it clearer that it's hardware RAID--gdth.o is
the driver for our ICP vortex card. (Actually of course it's gdth.ko)

Matt
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