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07-11-2011 05:28 AM
07-11-2011 05:28 AM
how to calculate disk throughput
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07-11-2011 05:48 AM
07-11-2011 05:48 AM
Re: how to calculate disk throughput
You can use iorate :
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07-11-2011 05:54 AM
07-11-2011 05:54 AM
Re: how to calculate disk throughput
Hi According to the pdf file, this tool is destructive, so I cannot run this tool on a prod system. Do you have a better suggestion?
F.R.
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07-11-2011 06:27 AM
07-11-2011 06:27 AM
Re: how to calculate disk throughput
Read tests are not destructive, but write test of course destructive. You cannot do any write test that is not destructive on raw devices, this is the nature of write operation.
I think you are using netapp over NFS file systems, so if you use different file names then write tests also not destructive.
Regards.
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07-11-2011 07:21 AM
07-11-2011 07:21 AM
Re: how to calculate disk throughput
Shalom,
I calculate disk throughput with sar.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
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07-11-2011 09:50 AM
07-11-2011 09:50 AM
Re: how to calculate disk throughput
Hi
What I really want is how many IOPS I will get from netapp disks?
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07-11-2011 10:11 AM
07-11-2011 10:11 AM
Re: how to calculate disk throughput
I can only suggest that you run some test against these disks and measure your throughput using sar or glance.
Pete
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07-11-2011 10:49 AM
07-11-2011 10:49 AM
Re: how to calculate disk throughput
>as long as this NetApp storage system gives me 850IOPS.
Are there any tools on the NetApp side to measure the NFS IOPS?
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07-12-2011 03:02 AM
07-12-2011 03:02 AM
Re: how to calculate disk throughput
Hi
wouldn´t know if from the storage side there is any tools to calculate IOPS, but, someone mentioned that I could use sar tool. Any hints in how to go about using that tool?
F.R.
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07-12-2011 03:17 AM
07-12-2011 03:17 AM
Re: how to calculate disk throughput
The someone who suggested sar, Steve Protter, also include links to scripts that he has set up, presumably to do exactly what you're asking. Try clicking on the links and take a look at the scripts, then click on the kudo button to indicate your appreciation.
Pete