Re: Swap on RAID; was: Re: the new VM

From: Ingo Molnar (mingo@elte.hu)
Date: Mon Sep 25 2000 - 10:12:57 EST


On Mon, 25 Sep 2000 parsley@roanoke.edu wrote:

> > this is fixed in 2.4. The 2.2 RAID code is frozen, and has known
> > limitations (ie. due to the above RAID1 cannot be used as a swap-device).

> as commonly patched in by RedHat? Should I instead use a swap file
> for a machine that should be fault-tolerant against a drive failure?

the answer is yes. RAID5 will not deadlock due to VM problems, but RAID5
might have other problems if the device is being reconstructed *and* used
for swap.

        Ingo

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/



This archive was generated by hypermail 2b29 : Sat Sep 30 2000 - 21:00:14 EST