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RAID Configuration Dell PV220

Posted on 2009-07-06
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I am purchasing a Dell PV220 with 14x 73GB 15k hard drives and was wondering the best raid setup for this. I would like to connect the PV220 to two servers and configure 7 drives on a raid 5 for each of the servers. I would like to know if anyone has done a similar setup and if they have any suggestions and or tips. Points will be awarded based on the quality and quantity of your post. Thanks.
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Question by:ipcipher
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Lee W, MVP earned 2000 total points
ID: 24786114
I don't recall if the PV220 (basically a next gen 210, if I remember correctly) supports multiple servers in any configuration OTHER THAN a cluster.  And in turn, I don't recall if, even in a cluster, you could have have half owned by one node and the other half by the other node.  Typically, one node handled all disks unless it failed.  

I don't have a problem with the PV220 per se, but the RAID controllers.  Especially in SCSI RAID, I've had them have multiple disks go offline too many times to be comfortable using RAID 5 anymore.  My experience with RAID 5 problems is GENERALLY with Dell hardware (though I've had issues with HP hardware and 3rd party hardware as well). Frankly, I'd suggest a bunch of RAID 1s... but with only 73 GB drives, it's probably too little space for you.  You can use RAID 5... Not EVERY system I used failed/had issues... but enough that I didn't like my odds using it - especially considering it was supposed to INCREASE uptime, not DECREASE it.
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