[Pc_Support] Re: Intel ICH7R and nVidia MCP-04 at RAID-5 = 15MBps (yes, it's FRAID)

[Bryan J. Smith]

On Mon, 2005-09-05 at 17:37 -0400, Jason Boxman wrote:
> Well, if you buy a used 6xxx series card for ATA disks, you'd probably be 
> better off with software RAID 5

That's because the 3Ware Escalade 6000 series was _never_ designed for
RAID-5.  It was retro-added, and a serious flaw was found that was
addressed in the 7000 series.

> if you can't afford enough disks to run RAID 1+0 in hardware.

By "afford," I would actually differ with most.  At 4 channels, it only
"costs" 1 disk.  And it RAID-10 can be much higher performing than
RAID-5 in most operations.

> Certainly for any modern 3Ware card it's insanity not to use hardware
> RAID, though.

I agree.  The sad thing is that issues with reliability as well as
hotplug of Linux's MD were being blamed on the 3Ware card.


-- 
Bryan J. Smith     b.j.smith at ieee.org     http://thebs413.blogspot.com
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