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тАО04-27-2005 02:32 PM
тАО04-27-2005 02:32 PM
EVA3000 and MA8000 IOPS
I wnat to find the differenence of performance between EVA3000 and MA8000. Do anybody know the IOPS about EVA3000 and MA8000 ?
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тАО04-27-2005 06:01 PM
тАО04-27-2005 06:01 PM
Re: EVA3000 and MA8000 IOPS
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тАО04-27-2005 06:37 PM
тАО04-27-2005 06:37 PM
Re: EVA3000 and MA8000 IOPS
Yes,I want to know IOPS per controller in MA8000 and EVA3000 .
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тАО04-27-2005 06:52 PM
тАО04-27-2005 06:52 PM
Re: EVA3000 and MA8000 IOPS
An MA8000 can have up to 42 disks - that would mean about 570 I/Os per disk.
For the EVA-5000, the claim is 'Up to 141K IOPS and up to 700MB/s throughput per Controller Pair'.
With 240 disk drives this would be 587 I/Os per disk.
--
One might be able to get these numbers with special benchmarks, tweaking some controller parameters and tricky use of the controller cache, but those numbers just show how powerfull the controller hardware and software is. In real life you will _never_ see these numbers.
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тАО07-06-2005 11:28 AM
тАО07-06-2005 11:28 AM
Re: EVA3000 and MA8000 IOPS
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тАО07-06-2005 06:27 PM
тАО07-06-2005 06:27 PM
Re: EVA3000 and MA8000 IOPS
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тАО07-06-2005 08:50 PM
тАО07-06-2005 08:50 PM
Re: EVA3000 and MA8000 IOPS
1. The MA8000 has two fibre channel ports per storage controller or redundant controller pair. Each controller-to-host interface provides up to 100MB/sec of data throughput for a maximum of 200 Mb/sec available capacity in each controller
2.EVA3000 Fibre Channel host connections provide up to 200 MB bandwidth for each path. Each controller has two Fibre Channel host ports (four ports in a redundant pair of controllers) assuring the availability of bandwidth for the most demanding applications. In addition, up to 2 Gb of cache per controller pair ensures high performance. Mirrored write caching capability maintains optimal availability while assuring data integrity in the event of a failure.
Regards
Mahesh
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тАО07-07-2005 04:57 PM
тАО07-07-2005 04:57 PM
Re: EVA3000 and MA8000 IOPS
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тАО07-07-2005 05:08 PM
тАО07-07-2005 05:08 PM
Re: EVA3000 and MA8000 IOPS
1. The _bandwith_ on the MA8000 controller ports is 100 MegaBytes / sec., but it is highly unlikely you will get 100MB/s out of a single controller even when using 2 ports.
2. So far EVA has _always_ been sold with two controllers. Only the EVA8000 can be equipped with up to 2 GigaByte data cache memory (not counting the so-called 'policy memory') per controller.
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тАО07-10-2005 08:31 AM
тАО07-10-2005 08:31 AM
Re: EVA3000 and MA8000 IOPS
BR
B.