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Re: LUN with high response times ? How to fix?

SAS are 15K rpm, and yes they are very busy - more than I expected.

We are reaching physical limit of disks for the VNX, I could maybe get another 2 RAID groups in there but we are due for a refresh next year so there may be some reluctance to spend $$s in the short term.

Would changing the autotiering policy to Highest first, then auto make a difference ?


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