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how do I find disks queue depth on vmax ? what is recommended level ?
Hi Folks,
I would like to find out what is disk queue depth set on our vmax. How Do I find that information ? What is recommendation level ? I will appreciate your reply.
Thanks
Quincy561
1.3K Posts
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September 5th, 2013 09:00
There is a average disk queue counter on the drive stats. To get good response time from the drives, the queue should be low, 1 or 2. To get the maximum throughput from the drives, you need more IOs queued, but the response time will suffer. There is no setting for this.
Quincy561
1.3K Posts
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September 5th, 2013 10:00
That can't be correct. Something is wrong. I would suggest opening a case. Maybe you need a SE/SPA update.
sauravrohilla
859 Posts
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September 5th, 2013 10:00
In SPA's diag view, you get the avg queue depth for each disk but dont know if its correct or not.
regards,
Saurabh