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Re: How you backup ?

From: Proniewski Patrick <patrick.proniewski_at_univ-lyon2.fr>
Date: 2005-06-13 16:33:22 CEST

On 13 juin 05, at 15:37, Ulrich Eckhardt wrote:

>>> 1. Use the hotcopy script to make a duplicate of your repository.
>>> 2. 'svnadmin dump' the copy and backup that data - it's the
>>> repository's content.
>>
>> I do "1" on a weekly basis, and "2" on a daily basis.
>
> Wait a second: you make a local copy of your data every week and
> backup that
> local copy every day???

nop, I'm using svn dump every day, and svn hotcopy every week, always
from the real repository.

> Optionally, you can leave the hotcopy around, so you can quickly
> restore a
> state that is at least recent while not current, just in case the
> original
> gets hosed by some catastrophic failure. It is faster than from the
> dumps
> because the configuration is also copied and because you don't have
> to do the
> whole 'svnadmin load'.

sure. by the way, the "current" backup always stays near the
repository after it has been scp'ed to the backup server, and the
hard drive of the server hosting repositories is backed up on a
dedicated hard drive every night.

>> I'm keeping a month of backups on a remote server. I'm paranoid :)
>
> Paranoid? I'd just call this unresponsible, unless you make backups on
> read-only media and store them somewhere off-site.

the backup server use a RAID 50 drive bay, so it's quite safe (on the
hardware front)
once a month every server is backed up on DVD, and their backup HD is
removed for off-site storage
... and so on, I've just talked about svn "dedicated" backup,
everything is under global backup policy beyond the scope of this thread

> Just imagine some virus

on UNIX ?

> that destroys both the repository and the data on the backup
> server... I
> wouldn't want to be the admin having to tell some %BOSS% that one
> month of
> work of a whole team was hosed due to some malware.

we don't code here, we store on SVN only some homemade shell scripts,
config files for our 20 servers, notes and howto's for administration
purposes. The most sensitive data is an encrypted password file. For
a bunch of files used by 2 sysadmins it's a quite paranoid backup
process.

Patrick PRONIEWSKI

-- 
Administrateur Système - SENTIER - Université Lumière Lyon 2
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Received on Mon Jun 13 16:45:13 2005

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