[CentOS] [OT] Building a new backup server

Tue Nov 5 15:52:11 UTC 2013
m.roth at 5-cent.us <m.roth at 5-cent.us>

Les Mikesell wrote:
> On Tue, Nov 5, 2013 at 9:27 AM,  <m.roth at 5-cent.us> wrote:
>> >>
>>> No, rsync will only hardlink to instances of the same file in the same
>>> location from previous runs.  Backuppc will link every file with
>> <snip>
>> True. But we have a directory structure like
>>     .../servername
>>           |
>>           -> date-weeks-ago
>>              date-weeks-ago-1
>>              ...
>>              date-yesterday
>>                |-> (symlink) latest
>> and the symlink gets reset after the backup's done.
> Have you tried backuppc?  There are some tradeoffs because it makes an
> extra hardlink into a pool directory tree where the name is a hash of
> the content, but it takes care of all the other stuff for you and
> would let you store a much longer history, especially if there are
> duplicate copies of any of the files spread around.

I don't think that's going to happen. First, we have an in-house developed
backup system that works just fine. Second, we *are* backup up something
over a hundred servers and workstations to a few backup servers. Third, we
are talking, in some cases, of terabytes....