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disk performance issue

gab_in
Regular Advisor

disk performance issue

We are suspecting some performance related problems with Disk I/O in our itanium server running HP-UX 11.31.Can you please tell us how we can capture the disk performance statistics & how to check if there are disk performance issues.

Thanks in advance
3 REPLIES
Venkatesh BL
Honored Contributor

Re: disk performance issue

yulianto piyut
Valued Contributor

Re: disk performance issue

check using "sar -d", iostat, or glance if you have.
Jeeshan
Honored Contributor

Re: disk performance issue

you have to check the disk I/0 from different aspect. From OS or from SAN (if its related to).

glance is the best tool. other than you can check with "sar -d" command. also consider the "sar -b 5 5" for the buffer cache utilization.


if it is in SAN then check with the SAN vendor, which tools they use to report disk utilization.
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