Re: change strip_cache_size freeze the whole raid

[kyle]

> > > 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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