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Re: A little RAID experiment

To: stan@xxxxxxxxxxxxxxxxx
Subject: Re: A little RAID experiment
From: Stefan Ring <stefanrin@xxxxxxxxx>
Date: Tue, 17 Jul 2012 00:16:08 +0200
Cc: xfs@xxxxxxxxxxx
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>> If I thought that the internal RAID was bad, that's only because I
>> have not yet experienced an external enclosure from HP attached via
>> FibreChannel (P2000 G3 MSA, QLogic Corp. ISP2532-based 8Gb Fibre
>> Channel to PCI Express HBA). Unfortunately, I don't have detailed
>> information about the configuration of this enclosure, except that
>> it's a RAID6 volume, with 10 or 12 disks, I believe.
> Without that information the numbers below may tend to be a bit meaningless.

Yes, probably, but I likely won't get at the information, let alone
change or tweak anything. But even with the most naive setup, a good
storage stack "should" not exhibit this kind of behavior.

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