Re: Facing some basic stability issues

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On Fri, 11 Mar 2011, Ajit K Jena wrote:
> Hi Sage,
> 
> We use kernel version 2.6.37. I made a mistake though.
> The clients are FC13 and all others (mon-mds, osd1, osd2)
> are all running FC14.
> 
> Do u feel the difference in OS level (between the client
> and others) could cause such behavior during untar ?

No, it shouldn't matter.

The first question is whether the client is stalling or the servers are.  
On the client, can you

 mount -t debugfs none /sys/kernel/debug
 cat /sys/kernel/debug/ceph/*/mdsc
 cat /sys/kernel/debug/ceph/*/osdc

to see if there are osd or mds requests hanging?  

On the server side, post the output from

 ceph -s

Also, see if a simple test like

 rados -p casdata bench 60 write

completes successfully (just to verify the object store is working).

Thanks-
sage




> 
> Thanks.
> 
> --ajit
>  
> On Thu, 2011-03-10 at 09:27 -0800, Sage Weil wrote:
> > On Thu, 10 Mar 2011, Ajit K Jena wrote:
> > >     Operating System: All the participating systems
> > >                  have Fedora core 14 as the operating
> > >                  system.
> > 
> > Which kernel version is this?
> > 
> > sage
> > --
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> 
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