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тАО10-18-2005 05:15 PM
тАО10-18-2005 05:15 PM
eva performance~
disk is connected with 2Gb switch.
1. At a appearence, how can I distinguish sata disk and fata.
and, I found disk performance of eva3000 is that Sustained I/O and MB Throughput Up to 141K IOPS and up to 700MB/s throughput per Controller Pair on document.
2. How can I interpret this 141K IOPS AND 700MB/s and if send 1G data same disks, how does it speed per second?
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тАО10-18-2005 06:32 PM
тАО10-18-2005 06:32 PM
Re: eva performance~
Please realize that you will *NEVER* have that performance with just 14 disk drives! You better give use a pointer to that document, because I think I can safely claim that you will *NEVER* be able to reach these values with an EVA3000.
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тАО10-19-2005 07:08 PM
тАО10-19-2005 07:08 PM
Re: eva performance~
could you refer to this forum.
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=942822
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=960358
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тАО10-19-2005 08:32 PM
тАО10-19-2005 08:32 PM
Re: eva performance~
141000 IOPS / 56 disks ~= 2517 IOPS/disk
Show me a single mechanical disk drive that can deliver that in a real-life situation!
Those values are only good to show how powerful the controller is.
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тАО10-20-2005 12:23 PM
тАО10-20-2005 12:23 PM
Re: eva performance~
single mechanical disk means?
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тАО10-20-2005 04:40 PM
тАО10-20-2005 04:40 PM
Re: eva performance~
those high IOPS and MB/s values cannot come from physical disk I/O only - there is heavy caching (use of silicon memory inside the controllers) being used.