[ale] md0 tasks taking 60-80% of CPU

[Michael Still]

can you cat /proc/sys/dev/raid/speed_limit_max ? If it's low then echo
a big number in there and see if it makes a diff.

On 5/11/06, Christopher Fowler <cfowler at outpostsentinel.com> wrote:
> How slow is this machine?  I've loaded up PIV's with SATA drives using a
> tarball on md0 and the resync usually takes about 1 hour.
> My drives are 200GB and almost all is used for the raid.
>
> What concerns me is that yours is taking sooooooooo long to rebuild.
>
> On Thu, 2006-05-11 at 11:48, JK wrote:
> > Here they are. I'm guessing the "resync" state has something
> > to do with the CPU usage...
> >
> > --------------/proc/mdstat:---------------
> >
> > Personalities : [raid1]
> > md0 : active raid1 hda3[0] hdd3[1]
> >       155637632 blocks [2/2] [UU]
> >       [============>........]  resync = 63.2% (98368448/155637632)
> > finish=352.7min speed=2703K/sec
> > md1 : active raid1 hda1[0] hdd1[1]
> >       128384 blocks [2/2] [UU]
> >
> > unused devices: <none>
> >
> > ---------------mdadm -D:-----------------
> >
> > /dev/md0:
> >         Version : 00.90.01
> >   Creation Time : Thu Mar 24 19:26:08 2005
> >      Raid Level : raid1
> >      Array Size : 155637632 (148.43 GiB 159.37 GB)
> >     Device Size : 155637632 (148.43 GiB 159.37 GB)
> >    Raid Devices : 2
> >   Total Devices : 2
> > Preferred Minor : 0
> >     Persistence : Superblock is persistent
> >
> >     Update Time : Thu May 11 14:42:32 2006
> >           State : active, resyncing
> >  Active Devices : 2
> > Working Devices : 2
> >  Failed Devices : 0
> >   Spare Devices : 0
> >
> >  Rebuild Status : 63% complete
> >
> >     Number   Major   Minor   RaidDevice State
> >        0       3        3        0      active sync
> >        1      22       67        1      active sync
> >
> >
> > Robert Story wrote:
> >
> > >On Thu, 11 May 2006 10:42:30 -0400 Michael wrote:
> > >MS> can you cat /proc/mdstat for us?
> > >
> > >and 'mdadm -D /dev/md0'
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> > >
> > >
> > >
> > >
> >
> >
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