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SubjectRe: Complete I/O starvation with 3ware raid on 2.6


Aaron Lehmann wrote:

>On Thu, Sep 25, 2003 at 01:10:52AM -0700, Andrew Morton wrote:
>
>>A few things to run are `top', `ps' and `vmstat 1'.
>>
>
>The first two do not show any information out of the ordinary other
>than the fact that the load average is 11 while only two rsync
>processes are using any CPU at all.
>

But the load average will be 11 because there are processes stuck in the
kernel somewhere in D state. Have a look for them. They might be things
like pdflush, kswapd, scsi_*, etc. Try getting an Alt+SysRq+T dump of
them as well.


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