"Emdy, Terrance" wrote:
>
> And I was just about to push the "Add to Cart" on an ABIT TH7-2R (Onboard
> RAID controller motherboard) when I noticed this message in my inbox.
> Anybody running a MB with the onboard RAID controller with or without
> success. Now I'm a little confused whether this is worth my effort.
>
> So what's the best method for running a RAID configuration....using RedHat's
> software RAID architecture?
You got it.
Linux' own software RAID in 2.4 is pretty darn rock-hard. I've done
some playing around with trying to break RAID1 and RAID5 to no avail.
Of course doing RAID5 is going to slow the machine down because of the
redundancy's overhead, but it's going to be MUCH preferable to use Linux
software RAID5 with "plain old" speedy fast ATA100 drives than trying to
hack some kind of "firmware RAID" into one of these weird bastardized
chipsets.
Take a look at the LVM project's stuff (http://www.sistina.com/) and use
a combination of LVM and RAID to have a "real" volume-managed drive
array without having to buy expensive hardware.
We use the 3Ware cards at work and, while they do the job in a sense,
I've had problems getting them to rebuild a degraded array. (i.e. if a
drive in a RAID5 configuration dies, the RAID keeps going and the volume
stays alive, but I have to backup the RAID, re-create the RAID with a
new drive in it, then restore. I haven't been able to get the dang
things to rebuild with a new drive on-the-fly yet.)
Just don't buy a cheap IDE chipset and expect it to really do any sort
of RAID with any kind of performance.
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