[OpenAFS] Howto speedup the restore of a crashed fileserver

Jose Calhariz jose.calhariz@tagus.ist.utl.pt
Mon, 1 Oct 2007 19:39:38 +0100

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On Mon, Oct 01, 2007 at 11:25:03AM -0700, Russ Allbery wrote:
> Jose Calhariz <jose.calhariz@tagus.ist.utl.pt> writes:
> > I have lost a fileserver because of a corruption on the reiserfs v3.
> > Something like 1000 volumes and 100GB of data were lost.  The backups
> > were made using amanda with standard tar.
> > My problem is the recovering of the data to the surviving filesystem
> > is taking too much time.  Something like 7 hours to recover 7 GB.
> > Will I need 100hours to recover from tar 100GB?
> What did you tar up?  I can think of a lot of possibilities (the raw namei
> filesystem, the contents of AFS archived with admin credentials, tarballs
> of volume dumps), and the answer somewhat depends.

I have tarballs with the contents of AFS using admin credentials.

> If you've archived AFS via tar using admin credentials, I'm not sure
> there's anything you can do that's faster than creating new volumes and
> untarring the contents into those volumes.  You can do that directly on
> the relevant file server to reduce your network latency a little.


      Jos=E9 Calhariz

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