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EVA6000 I/O calculation

Hasan_9
Regular Advisor

EVA6000 I/O calculation

Hello Everybody,
I want to calculate I/O bandwidth of my disk array. It is an EVA 6000 with 28 disks.
I found the following link in regards of my question. In the below link Uwe, offer a formula: I/O bandwidth / number of disk / chunk size = IOPS
They talked about an EVA 4000.
Now, I want to calculate maximum I/O bandwidth of my EVA with that formula. However I do not know what chunk size is and how much IOPS each 15rpm disk has.
Please advice.