Re: [BackupPC-users] Are these folder/file names normal?
2011-12-02 12:48:59
Arnold Krille wrote at about 18:10:03 +0100 on Friday, December 2, 2011:
> On Friday 02 December 2011 17:33:41 Igor Sverkos wrote:
> > Hi,
> >
> > today I browsed through the backup data folder. Is it normal that
> > folders look like
> >
> > /var/lib/BackupPC/pc/foo.example.org/252/f%2f/fetc
> > ^^^^ ^
> > This is the backuped "/etc" folder from the foo.example.org (linux) host.
> >
> > Every folder/file is prefixed with a "f" char and I don't understand the
> > folder name "f%2f". Doesn't look right to me.
> >
> > Every backed up host shows that...
>
> Thats perfectly normal. You will notice that file attributes are "wrong"
> too.
> That is because the attributes are stored separat. thus the f-prefix notes
> that
> this is a backuppc-thing. and f%2f is the notion of / in backuppc's own
> "language".
The f-prefix is called f-mangling in backuppc language.
The f%2f is really f-mangling plus %2f which is really just standard
encoding for '/' -- other special characters are similarly encoded...
> Of course this looks strange directly on the file-system. But you are not
> supposed to use these file without the help of backuppc anyway.
backuppc-fuse mounts the backuppc backups using the fuse file system
which allows you to browse backups without the f-mangling and with the
proper file attributes and with incremental backups properly filled
using previous fulls/incrementals. You can then use standard *nix
tools to browse/access/manipulate the corresponding files.
The only downside is that it is a bit slow (but still faster than the
backuppc web interface) since each directory listing requires the
corresponding attrib file to be read, decompressed, and decoded.
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