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best practice for RAID5 configuration

Posted on 2007-12-06
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Hi,

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?

Thanks,
Denis
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Question by:DenisCooper
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JimboEfx earned 2000 total points
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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:
ftp://ftp.compaq.com/pub/products/storageworks/msa1000/MSA1000BPv42.pdf

Multitude of best practice docs here:
http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?contentType=SupportManual&locale=en_US&docIndexId=179911&taskId=101&prodTypeId=12169&prodSeriesId=406734

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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