Hello Ross , inline .
On Tue, 26 Mar 2002, Ross Vandegrift wrote:
> > On the other hand, a cleverly distributed RAID10 can guard against a
> > controller failure in a 2-controller setup ; a RAID6 of more than 4
> > disks can't unless you use a maximum of 2 disks per controller.
> Well, that is the case with all of the IDE arrays I've ever managed.
Almost everyone that has talked about raid on ide has suggested
using one disk per interface . I do not know why this is just
what I have heard thruout my listening on this and other lists .
> > How about not adding a RAID6 driver, but extending the RAID5 driver some
> > to make the number of parity stripes a variable? I don't know how much
> > extension that would require - perhaps it would bog down the RAID5
> > driver too much in single stripe use, so we still might be better off
> > with a separate RAID6(+) driver. But it looks like most of the code
> > could simply be copied.
> Hmmm, I think you've convinced me that, should we get RAID6(+) support,
> I'd give it a good shot. This sounds like something my boss would be
> all about...
While I 'Like' the idea I do not know I the applications I am
using would benefit . And always remember raid'X' is not the
same as a good backup . Twyl , JimL
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| James W. Laferriere | System Techniques | Give me VMS |
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