xfs_force_shutdown after Raid crash

Michael Monnerie michael.monnerie at is.it-management.at
Wed Feb 4 09:03:22 CST 2009


On Mittwoch 04 Februar 2009 Dave Chinner wrote:
> > What just comes to my mind: what about XEN/VMware?
> >
> > What settings should be used within a virtual machine? Even if I
> > have battery backed cache and nobarrier on the host, the VM itself
> > could crash, or the whole host freeze. Is "nobarrier" save within a
> > VM?
>
> Depends on the implementation of the hypervisor.

OK, so we don't know? 
I guess VMware will be the most used for Linux systems, and XEN usage 
will soon grow a lot as it's directly in the kernel now. Does anybody 
know for those two, whether "nobarrier" is save/needed/a bad thing?

mfg zmi
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