xfs_force_shutdown after Raid crash

[Christoph Hellwig]

On Tue, Feb 03, 2009 at 10:22:38AM +0100, Michael Monnerie wrote:
> But what about the hard disk cache - should that be disabled? I think in 
> case of a power failure, they just loose their cache contents, right? So 
> the battery-backed controller cache only helps himself, the disks will 
> just throw away up to the 32MB cache they have?

Yes.  I would hope raid controllers disable the write cache on disks,
but for lower end controllers I'm not sure they really do it.