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Bug#375742: linux-image-2.6.16-1-686-smp: sync speed of RAID devices is 2000K/sec by default, because don't honor speed_limit_max



On Sun, Dec 21, 2008 at 11:29:43AM +0100, Moritz Muehlenhoff wrote:
> On Tue, Jun 27, 2006 at 10:07:27PM +0100, Jose Calhariz wrote:
> > Package: linux-image-2.6.16-1-686-smp
> > Version: 2.6.16-11bpo1
> > Severity: normal
> > 
> > The sync speed of RAID devices is only 2000K/sec by default.  It's
> > because the raid driver don't honor
> > /proc/sys/dec/raid/speed_limit_max and is using speed_limit_min as
> > the max.
> > 
> > speed_limit_min is 1000 by default, if I increase the number for 5000,
> > the sync speed of the RAID increases to 5000K/sec.  If I increase to a
> > bigger number the sync speed of the raid maxes on hardware capability.
> > 
> > I believe in the kernel 2.6.16 the RAID driver use speed_limit_min as
> > the max, and ignores speed_limit_max.  On kernel 2.6.8 the behaviour
> > seems to be correct, the RAID driver honors speed_limit_max.
> 
> Does this error still occur with more recent kernel versions?

There is a long time that I don't check if the problem still exist.
So give me some time and I report again about it.

> 
> Cheers,
>         Moritz
> 

    José Calhariz

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