On Fri, 12 Jan 2001 at 01:52, Orlando Andico wrote:
>That ain't a RAID controller. That, and the Promise FasTrack RAID are
>*software* RAID solutions. They use the CPU to do their magic. Granted,
>the CPU hit is tiny (about 2% at full-bore on a PIII-500, running RAID5
>with checksumming) but you can kiss hot-socket goodbye.
Ahh, no wonder the Promise Fastrak is so much cheaper than say, the 3Ware
3W-6400. Something to slap at my uncle, who has been telling me to go get
Promise or some ABit mobo with a built-in HP 370. Hahaha. So far only
Linux support has kept me.
AFAIk the 3Ware has it's own processor for the RAID functions, so as not
to add overhead to the CPU. I have to check if it supports hot swapping.
>So if you need RAID for reliability (not uptime) Linux software RAID is
>just as good as those so-called RAID "solutions."
Does Linux software RAID support the "0+1" RAID level? (Two pairs of RAID1
stripes mirroring each other). Supposedly this is both good for
performance, as well as for reliability.
--> Jijo
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