xfs_force_shutdown after Raid crash

[Michael Monnerie]

On Dienstag 03 Februar 2009 Christoph Hellwig wrote:
> 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.

On Areca Controllers, I can select if I want it on or off. Could an 
information about the disk cache be written to the FAQ? Would for sure 
save some people's data... :-)

So battery backed controller cache on, disk cache off, barriers off.
Quite simple once you know it :-))

mfg zmi
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