Re: experiences with 3Ware 6400 3W-6400?

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On Thu, 26 Jun 2003, Joshua Baker-LePain wrote:

> As an IDE controller, it'll work great.  The hardware RAID performance
> (especially RAID 5) ain't gonna' be hot, though.  The 7500 series performs

Now that's an understatement :)

P4 2.53, Asus P4B533-e, 3ware 7500-4, 4 Maxtor Maxline 250 gb drives in
raid5.

mickey,512M,17840,60,19878,5,8683,2,28247,89,91356,8,243.0,0,16,2576,81,+++++,+++,+++++,+++,3184,96,+++++,+++,9392,96

P4 2.53, Asus P4B533, 3ware 7500-4, 2 Maxtor DiamondMax 9 200 gb drives in
Raid1. (different machine)

r1,512M,26616,94,52362,15,21394,5,28918,92,47633,4,301.8,0,16,3145,99,+++++,+++,+++++,+++,3214,99,+++++,+++,10229,95

Half to a third the write speed, although the read speed is a lot
better.

Haven't upgraded to the 7.6 firmware yet(still using 7.5.3 that was on
the card), anyone notice any difference?

The 7000-2 and 7500-4's in raid1 work quite nicely.  The 7500-4 in raid5
actually lags the system for 3-5 seconds when doing a lot of disk i/o.
Feels like working on a p120 with DMA shut off, to be honest.

Works for what I'm doing with it though.

Mike

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