Klaus Steinberger wrote:
> On Sun, Dec 26, 1999 at 11:56:31AM +0100, Luca Berra wrote:
> > On Sun, Dec 26, 1999 at 01:37:05AM +0100, Johan Ekenberg wrote:
> > > Alright, but this approach is still vulnerable to a disk crash. I one of the
> > > disks currently used for swapping goes down, the machine goes with it. At
> > > least according to Jacobs HOWTO... Maybe it's a question of choosing between
> > > swap speed and stability. In my case it's more important that the machine
> > > can suffer a disk failure without going down.
> >
> > sorry, but swap-on-raid is not stable.
> > raid uses the buffer cache,
> > swap does not
> > result: when your swap partition is resyncing, due to disk failure or
> > unclean shutdown swap gets corruppted.
>
> Can you explain this to me? Data on swapspace is irrelevant after a shutdown,
> so why this should bother?
Swap is corrupted during hot reconstruction. Unclean shutdown is
one way to cause this. After system comes back up, this is going on.
Then (live system) swap will be corrupted.
Brian
