Re: Etch install with RAID 5
On Jan 17, 2008 11:33 PM, Andrew Sackville-West
<andrew@farwestbilliards.com> wrote:
> On Thu, Jan 17, 2008 at 10:48:25PM -0500, Damon L. Chesser wrote:
> > Andrew Sackville-West wrote:
> >> On Thu, Jan 17, 2008 at 02:55:41PM -0500, Patrick Zaloum wrote:
> >>
> >>> Hello!
> >>> I am planning on installing a new Etch server. What I would like is to
> >>> use 3xSATA2 disks to create a RAID5 array. During the install I know I
> ...
>
> >> Much better
> >> in my opinion to go straight software raid and leave the hardware out
> >> of it. If the mobo dies you can drag the disks over to another mobo
> >> with potentially different chipsets and it should more or less just
> >> work. With hardware raid, or some mysterious amalgam, you may be
> >> stuck.
> >
> > I agree with Andrew. Keep it simple. If I/O is not critical use software
> > raid for "portability" in the event of hardware failure. IF and only IF
> > I/O is an issue then invest in a real hardware raid controller from a well
> > known vendor.
>
> My very vague understanding is that s/w raid is pretty close
> performance wise to hardware raid at this point so that performance
> gain might not offset the portability (and maybe other) features of
> software raid.
>
> But definitely, getting h/w raid, go for reputation and reliability
> over economy and buy two of them.
>
> more .02
>
> A
>
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OK So if i understand correctly, i should use software raid and not
onboard chipset raids. I should also not put the entire thing on raid5
but rather raid1 for OS with one spare partition, and raid 5 for data.
Is raid 5 really worth the effort with SATA software raid? Or should i
just use raid 1 all around....
Will the boot loader recognize a raid 1 root partition or will it give
me trouble?
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