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SubjectRe: change strip_cache_size freeze the whole raid
Date
>>
>> > Yes, I noticed this bug too, if you change it too many times or change
>> > it
>> > at the 'wrong' time, it hangs up when you echo numbr >
>> > /proc/stripe_cache_size.
>> >
>> > Basically don't run it more than once and don't run it at the 'wrong'
>> > time
>> > and it works. Not sure where the bug lies, but yeah I've seen that on
>> > 3
>> > different machines!
>> >
>> > Justin.
>> >
>> >
>>
>> I just change it once, then it freeze. It's hard to get the 'right time'
>>
>> Actually I tried it several times before. As I remember there was once it
>> freezed for around 1 or 2 minutes , then back to normal operation. This
>> is the
>> first time it completely freezed and I waited after around 10 minutes it
>> still
>> didn't wake up.
>>
>> Kyle
>>
>> -
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>>
>
> What kernel version are you using? It normally works the first time for
> me, I put it in my startup scripts, as one of the last items. However, if
> I change it a few times, it will hang and there is no way to reboot except
> via SYSRQ or pressing the reboot button on the machine.
>
> This seems to be true of 2.6.19.1 and 2.6.19.2, I did not try under
> 2.6.20-rc5 because I am tired of hanging my machine :)
>
> Justin.
>

It was 2.6.17.8. Now it's 2.6.7.13 but I won't touch it now! It's around
15km from me!

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