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10671
August 28th, 2013 18:00
Equallogic Tiering
Currently I have 2 Equallogic arrays. Both are configured as a standalone pool.
PS6010XV - Pool 1 - 16 x 600gb 15k SAS Raid 50
PS6010E - Pool 2 - 16 x 1tb 7.5k SATA Raid 50
I am about to add another Equallogic Array
PS6110E - Pool 3 - 12 x 3tb 7.5k NL-SAS Raid 10
Would I be best to put them all into a single pool and use auto tiering? What benefits would this give me?
Also what is the best method for achieving this? I have thought about doing it as follows.
1. Add the new 6110E to Pool 2
2. Move all data from the 6010XV to Pool 2
3. Kill Pool 1 and add the 6010XV to Pool 2
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dellsan
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September 11th, 2013 02:00
equallogic by default spreads volumes on 3 members unless ther are some specific performance issues to tackle. so having these 3 members in a single pool might have performance benefits. you will also get more spindles on the pool giving you more IOs.
if you are planning for a single pool you can merge the existing pools (rather than moving data and deleting pools etc) which is going to be faster (almost instant) and then add the new member later.
dellsan
3 Posts
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September 11th, 2013 03:00
some benefits of auto-tiering
i.dell.com/.../sb154-automate-storage-tiering-equallogic-sans_jp.pdf