[rescue] FC-AL drives on sale at geeks.com

Peter Corlett abuse at cabal.org.uk
Tue Jan 8 06:24:14 CST 2008

On Mon, Jan 07, 2008 at 09:49:24PM -0500, Mark Brown wrote:
> I can say that I use an EMC AX100 (12 x 250GB SATA Disks) . I have the
> disks split up into two luns (About 1TB of Raid-5 each), over a 1Gb FC
> attached back to a Sun V240. I have added both luns into a ZFS pool, and
> see read performance at about 120MB/s sustained, and write performance
> ~75MB/s sustained.

The FC will be throttling the disk performance there, as you can get about
60MB/s out of a single 250GB disk. Unconstrained, you should be seeing about
400-600MB/s out of that sort of array.

(120MB/s is also suspiciously close to the maximum throughput for a 33MHz 32
bit PCI disk controller.)

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