Re: [BackupPC-users] Restore from orphaned topdir
2011-01-28 12:24:08
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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