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best practice for RAID5 configuration


Wonder what the best practice is for a RAID5+1 config....ie we have 14 300GB SCSI2 disks in an MSA1000 connected to one server. Should we create one large array, or two smaller ones?

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HP should be able to provide you with a best practice guide against whatever application that is used by that one server.

General best practice notes here:

Multitude of best practice docs here:

RAID5 while efficient in storage is slower than RAID 10/01 but with only one server and 14 drives maybe this is not an issue!

The only thing i would advise, and my lack of knowledge on the HP SAN prevents me from giving you specific advise, is that the SAN OS may reside on the first X drives of the arrive. Some people would suggest creating a RIAD group out of that and using it for low(er) i/o purposes and do with the rest what you wish.
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