| To: | Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: xfs_force_shutdown after Raid crash |
| From: | Dave Chinner <david@xxxxxxxxxxxxx> |
| Date: | Wed, 4 Feb 2009 23:26:25 +1100 |
| Cc: | xfs@xxxxxxxxxxx |
| In-reply-to: | <200902041127.46714@xxxxxx> |
| Mail-followup-to: | Michael Monnerie <michael.monnerie@xxxxxxxxxxxxxxxxxxx>, xfs@xxxxxxxxxxx |
| References: | <498376CF.8020806@xxxxxxxxxxxxxx> <20090203154907.GA21278@xxxxxxxxxxxxx> <200902040952.45440@xxxxxx> <200902041127.46714@xxxxxx> |
| User-agent: | Mutt/1.5.18 (2008-05-17) |
On Wed, Feb 04, 2009 at 11:27:46AM +0100, Michael Monnerie wrote: > On Mittwoch 04 Februar 2009 Michael Monnerie wrote: > > == Q. What about the hard disk write cache? == > > 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. Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx |
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