"D. Lance Robinson" wrote:
> Markus Linnala wrote:
> >
> > v2.2.0 heavy writing at raid5 array kills processes randomly, including init.
> >
> > Normal user can force random processes to out of memory
> > situation when writing stuff at raid5 array. This makes the raid
> >
> > I get 'Out of memory for init. ' etc. with following simple command:
> >
> > dd if=/dev/zero of=file
> >
>
> I am also getting "Out of memory for .." when trying to mke2fs. I
> originally thought this was limited to a PowerPC, but I moved my raid
> set to a PC and I get the same results.
>
> My setup is a raid5 with three Ultra2 drives with 4GB each. I am using a
> Symbios 53c895 chip with the alpha sym53c8xx driver. Using linux 2.2.1
> and lates 012899 raid patches.
>
> It seems as though the processor is outpacing the i/o and using up the
> 64MB of memory for buffers.
>
> I am curious what configurations out there do work. Or maybe it would be
> better to know which ones don't so it can get fixed.
>
> <>< Lance.
Get pre-patch-2.2.2-2 and Stephen C. Tweedie's patch posted on linux-raid
(http://www.lh.umu.se/~bjorn/mhonarc-files/linux-kernel-small/msg03268.html)
After that raid0145-19990128-2.2.0 will not apply cleanly, but
it is easy to do it per hand.
It works for me. No more "Out of memory" errors.
Dori
