XFS corruption with power failure

[John Quigley]

John Quigley wrote:
> John Quigley wrote:
>> We've distilled this into a reproducible environment with a stack of 
>> NFS + XFS to a local disk + automated sysrq 'b' reboots.  We're 
>> working on getting this bundled up into a nice little package as a 
>> VirtualBox vm for your consumption.  Please tell me if this is not 
>> desirable.

By way of an update, the corruption is definitely specific to Linux nfsd access to XFS at time of power failure.  We've be unable to reproduce the problem in any other context except when running IO through NFS to the underlying XFS mount.

- John Quigley