Re: tyan's raid1
On Thu, May 25, 2006 at 12:30:10AM +0200, Francesco Pietra wrote:
> What about efficiency (speed and subtraction of cpu) and reliability (of
> booting from the intact disk should the other one fail) of raid1 provided by
> the mainboard Tyan K8WE S2895? It could be simply set from bios and thus ease
> life. Any comparison with raid1 from amd64 debian in case of application that
> access often the disks?
>
> I have such a mainboard by i did not try as it seems the aladino's lamp.
>
> that question should also be addressed to tyan but i do not know where.
Using fakeraids (which most onboard raids are) isn't worth it. You
can't easily move the disks to another system and continue reading the
raid if the board dies. This is also true of hardware raids, but at
least those you can move the controller over too, and usually you can
get replacement raidcards (they change a lot less often than
mainboards).
Linux software raid generally is also better performance than the
fakeraids, and easier to manage, and it is supported by the debian
installer, which fakeraid isn't.
Len Sorensen
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