BackupPC-users

Re: [BackupPC-users] Restore from orphaned topdir

2011-01-28 12:24:08
Subject: Re: [BackupPC-users] Restore from orphaned topdir
From: "Jeffrey J. Kosowsky" <backuppc AT kosowsky DOT org>
To: "General list for user discussion, questions and support" <backuppc-users AT lists.sourceforge DOT net>
Date: Fri, 28 Jan 2011 12:21:35 -0500
Bowie Bailey wrote at about 11:49:21 -0500 on Thursday, January 27, 2011:
 > On 1/27/2011 8:05 AM, Erik Shreve wrote:
 > > I've been reading the archives and documentation but haven't been able
 > > to find a clear answer...
 > >
 > > I have backuppc backing up the machine it runs on to a NAS. Thus
 > > everything under __TOPDIR__ is on the NAS. Meanwhile the backuppc
 > > binaries and configuration are on the server.
 > >
 > > If I were to loose the server, how hard would it be to restore data from
 > > the NAS? Obviously I'd have to rebuild a server and install BackupPC
 > > again. If I had BackupPC backing up its config directory, would it be
 > > easy to extract those files from the cpool?
 > 
 > Getting the files out of the pc directory in your data store is easy
 > since it has the same structure as the original directory (aside from
 > the obvious addition of the 'f' to the filenames).  Just use the
 > BackupPC_zcat program to uncompress the config files.

Not sure if this is what you are implying... but zcat'ing the
f-mangled pc dir files directly is *not* generally a good idea unless
you just want the straight *contents* of a file or two and know what
you are doing.
Because:
        - The fmangling gets in the way (and it's not just a prepended 'f'
          but also non-ascii alphanumeric chars get encoded)
        - You lose the file ownership, perms, timestamps, etc
        - It doesn't deal properly with links (soft or hard) and special
          files.


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