Start by diagnosing the the device itself.
W S wrote:
Folks,
We have two linux systems clustered with ocfs2.
Both systems has VERY HIGH % on iowait - ranging from 30% to 60%.
Where should I start looking at first?
Thanks,
--WS
[ocfs2]$ iostat -x
Linux 2.6.9-22.0.1.ELsmp
avg-cpu: %user %nice %sys %iowait %idle
18.66 0.00 9.88 42.46 49.00
[ocfs2]$ cat /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update 1)
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