[OpenAFS] Howto speedup the restore of a crashed fileserver
Wed, 3 Oct 2007 23:30:17 -0400 (EDT)
It won't help with your current situation, but it does everything you want=
and is much easier to configure (via gui) than anything else I've seen.
On Mon, 1 Oct 2007, Brian Sebby wrote:
> I ended up writing a script to use the commmand 'vos dump' to dump each
> AFS volume to a local disk partition, then back up that partition with
> standard backup utilities. The 'vos dump' command creates a file on the
> local disk that contains the entire volume, including all of the ACLs.
> Since you can have links in AFS to the same volume multiple times, it's a
> lot safer to do volume-based backups rather than walking AFS.
> I could get you a copy of my dump script if you're interested; I'd just
> have to scrub out all of our site-specific information.
> On Mon, Oct 01, 2007 at 10:14:39PM +0100, Jose Calhariz wrote:
>> On Mon, Oct 01, 2007 at 03:41:16PM -0400, Derek Atkins wrote:
>>> Jose Calhariz <firstname.lastname@example.org> writes:
>>>> On Mon, Oct 01, 2007 at 11:25:03AM -0700, Russ Allbery wrote:
>>>>> Jose Calhariz <email@example.com> 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 =
>>>>> filesystem, the contents of AFS archived with admin credentials, tarb=
>>>>> of volume dumps), and the answer somewhat depends.
>>>> I have tarballs with the contents of AFS using admin credentials.
>>> Note that you'll have to manually repair the acls; tar doesn't save
>> It's on my todo list, to find a command to export and import AFS
>> acls. So it can be collected by tar.
>> Jos=E9 Calhariz
>> P.S. [En_US] The sig below is from my random sig-generator, which strang=
>> often seems to pick signatures which are apropriate to the message at
>> P.S. [Pt_Pt] A assinatura em baixo =E9 do gerador aleat=F3rio de
>> assinaturas, que estranhamente, escolhe com frequ=EAncia assinaturas que
>> parecem apropriadas ao email!
>> Infeliz o povo que precisa de herois.
>> -- Bertold Brecht
> Brian Sebby (firstname.lastname@example.org) | Unix and Operation Services
> Phone: +1 630.252.9935 | Computing and Information Systems
> Fax: +1 630.252.4601 | Argonne National Laboratory
> OpenAFS-info mailing list