file corruption issue

[Patrick Shirkey]

On Fri, May 11, 2012 6:50 pm, Ben Myers wrote:
> On Fri, May 11, 2012 at 03:27:02AM +0200, Patrick Shirkey wrote:
>> I have some HP machines running centos:
>>
>> kernel 2.6.32-042stab049.6
>> AMD Opteron(tm) Processor 6180 SE
>> RAM:   528 GB
>> RAID bus controller: Hewlett-Packard Company Smart Array G6 controllers
>>
>> We have experienced some kernel crashes due to a kernel bug with
>> interleaving ram on this hardware which require hard reset of the
>> machines.
>>
>> After reboot we are finding that there is severe file corruption on the
>> xfs file system where TBs of readonly databases are getting partially or
>> fully truncated.
>>
>> Has anyone come across this or similar?
>
> This rings a bell for me but I can't be certain.  Could you provide a
> metadump?
>

The machines are live so we have already restored the data several times.
Will a metadump from the existing file system be useful or do you need it
post crash?




--
Patrick Shirkey
Boost Hardware Ltd