[Lustre-discuss] OST crash with group descriptors
thhsieh
thhsieh at piano.rcas.sinica.edu.tw
Fri Mar 13 09:19:58 PDT 2009
Dear Brian,
Thanks for your good idea. Next time we will try it. :)
And, thanks to everybody who has gave me suggestions to
recover from this accident. I am really appreciate. :)
T.H.Hsieh
On Fri, Mar 13, 2009 at 11:25:38AM -0400, Brian J. Murrell wrote:
> On Fri, 2009-03-13 at 11:03 +0800, thhsieh wrote:
> > Hello,
>
> Hi,
>
> > Now, we have to shutdown the lustre filesystem completely (umount clients,
> > OSTs), and remount the OST we want to check with ldiskfs:
>
> In fact, to do such surgery, you don't need to shut down the filesystem.
> You can take an OST offline and the clients will pause (for failover
> configuration) for it or EIO (for failout) while you are working on it
> and all will resume when you start it back up.
>
> b.
>
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