On Fri, 5 Oct 2007, Andrew Clayton wrote:
On Fri, 5 Oct 2007 10:07:47 -0400 (EDT), Justin Piszcz wrote:
Yikes, yeah I would get them off the PCI card, what kind of
motherboard is it? If you don't have a PCI-e based board it probably
won't help THAT much but it still should be better than placing 3
drives on a PCI card.
Moved the drives back onto the on board controller.
While I had the machine down I ran memtest86+ for about 5 mins, no
errors.
I also got the output of mkfs.xfs -f -N /dev/md0
meta-data=/dev/md0 isize=256 agcount=16, agsize=7631168 blks
= sectsz=4096 attr=0
data = bsize=4096 blocks=122097920, imaxpct=25
= sunit=64 swidth=128 blks, unwritten=1
naming =version 2 bsize=4096
log =internal log bsize=4096 blocks=32768, version=2
= sectsz=4096 sunit=1 blks, lazy-count=0
realtime =none extsz=524288 blocks=0, rtextents=0
Justin.
Thanks for your help by the way.
Andrew
Hm, unfortunately at this point I think I am out of ideas you may need to
ask the XFS/linux-raid developers how to run blktrace during those
operations to figure out what is going on.
BTW: Last thing I can think of, did you make any changes to PREEMPTION in
the kernel, or do you disable it (SERVER)?
Justin.
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