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powervault
2008 Dec 28
0
Slow disk IO
I''m seeing slower then expected disk IO. Also, using sar, it seems the
disk is measuring different utilization on the domU then the dom0. I''ve
attached to the disk with:
"phy:/dev/PowerVault00/KojiShare,xvdb1,w"
That logical volume has a physical volume of an attached 15 disk raid6
array (an MD1000 from dell).
Here is the sar data I''m referencing:
http://mmcgrath.fedorapeople.org/dom0
and
http://mmcgrath.fedorapeople.org/domU
The disk does have one other guest attache...