Re: [BackupPC-users] Switching backup methods

On Sep 26, 2009, at 9:54 AM, Holger Parplies wrote:

> Hi,
>
> Tino Schwarze wrote on 2009-09-26 13:32:58 +0200 [Re: [BackupPC- 
> users] Switching backup methods]:
>> On Fri, Sep 25, 2009 at 05:04:24PM -0400, jingai wrote:
>>> Is it OK to switch between backup methods at any time, or do I  
>>> need to
>>> do something beforehand?
>>
>> You might have to adjust your excludes. Have a look at the Wiki for  
>> more
>> information. Apart from that, there's nothing special to consider.
>
> that's almost true.
>
> 2. You should do a full backup after switching transfer methods.  
> There are
>   subtle differences (see above), and a full backup will make sure  
> everything
>   is as the new transfer method expects.

I figured that, and that's what I am doing.

> 3. I believe I recall reading that *restoring* a backup *made with  
> rsync* with
>   the tar XferMethod produces warnings (or errors?) - probably  
> because tar
>   doesn't understand the "deleted file" entries in the attrib files.  
> While I
>   can't see that giving incorrect results, it probably won't give  
> you a good
>   feeling to read that your restore completed with 579 errors, which  
> you'll
>   have to individually check. So if you need to restore an old  
> backup after
>   having switched the XferMethod, it would probably be a good idea  
> to switch
>   it back for the restore. Recent versions of BackupPC (>= 3.0.0, I  
> believe)
>   record the XferMethod a backup was done with in the backups file  
> (but I
>   don't think they automatically use that information for doing a  
> restore).

I'm not too concerned about the old backups for the machines in  
question, so this is fine.

> Aside from that, though I also like to point at the Wiki, I believe  
> it is
> still sort of non-functional. At least I can't find anything except  
> the main
> page ...

I thought I was the only one.  Are we just missing something...?

Thanks for the help,
Jonathan

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