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Customer going to purchase New storage for our AIX box's, Need IOPS details.

Posted on 2011-09-22
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Last Modified: 2013-12-16
Hi Expert,

Customer going to purchase New storage for our AIX box's. And customer asked as to provide IOPS for AIX (SAP running box's).

How to find IOPS for AIX (SAP running box') after googleing i am not found any clue. If we ask SAP team to give IOPS, they pointing out OS and hardware sizing team need to give IOPS.

Is there is any way to find IOPS. If not what will be next step?

Thanks,

Sk
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Question by:sivakumar_experts
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woolmilkporc earned 100 total points
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Hi,

if you enabled System Activity Reporting just issue "sar -d"

You will see I/O stats for all your disks for the configured intervals (average at bottom of list)
including read/write per second.

Please note that you must have enabled I/O statistics.
Check with "lsattr -H -El sys0 -a iostat".
If you see "false" in the second column issue
"chdev -l sys0 -a iostat=true"

If you didn't enable System Activity Reporting yet issue (as root) "crontab -e adm" and uncomment the appropriate entries under the "SYSTEM ACTIVITY REPORTS" heading. Adjust intervals if desired. Save the crontab.
Defaults are:
#  8am-5pm activity reports every 20 mins during weekdays.
#  activity reports every an hour on Saturday and Sunday.
#  6pm-7am activity reports every an hour during weekdays.
#  Daily summary prepared at 18:05.

After it has run for a day (or more) you can check with "sar -d" what's going on with your disks.

See "man sar" for more info.

wmp
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by:sivakumar_experts
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As always tech guru..
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by:woolmilkporc
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Glad I could help ...
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by:sivakumar_experts
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As always wmp rockssssssss
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