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Re: XSan 2

Subject: Re: XSan 2
From: TechTalk <email@hidden>
Date: Tue, 13 May 2008 18:29:45 -0700
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On 13-May-08, at 5:16 AM, Christopher Dwan wrote:

* Under XSan 1, you were expected to dedicate an entire RAID controller to the metadata partition. This meant that for small (single XRAID) configurations, you immediately lost a major portion of the available storage. On a single XRAID setup, you lost 50% of the notional storage capacity.

One of the advantages of the new Promise RAIDs is, as I understand it, that one controller can control almost all over the drives/arrays and the other can be dedicated to the metadata LUN. So no lost drives (unless you want hot spares). Or you can use all the drives/arrays in the Promise and use an older Xserve RAID for metadata.

I have not received a unit yet for testing... But I will soon. Then we'll see.

:)

Mat X
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