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EMC VNX 5300 Pool with RAID 5.  Can we take 4 disks from existing pool and create 2 RAID 1 mirror drives in Pool 2?

Posted on 2013-10-30
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Last Modified: 2013-11-07
We have a VNX 5300 with RAID5 and one Pool.
We are at 80% capacity and using SQL as well so were recommended to add the next tray with RAID 1 mirrored drives.  Until that comes in I'd like to start building that enviroment so am wondering can you easily take 4 drives from Pool0 and reformat the 4 to RAID1 Mirrored drives in Pool1?
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Question by:bergquistcompany
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Duncan Meyers earned 2000 total points
ID: 39615994
Unfortunately, you can't remove drives from an active pool without destroying the pool. While that functionality is expected in a a future release, it doesn't help you much, I'm afraid.

Do you have FAST Cache in the array and is it turned on for Pool 0? It provides a massive performance boost. I'd also recommend using RAID 1/0 for your new pool. If your VNX5300 is running the latest software, you can have different RAID types for each tier in a pool, so you in your new pool, you could have 5 SSDs in RAID 5, SAS drives in RAID 1/0 and NL-SAS drives in RAID 6. Which is pretty cool.
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