[CentOS] Simple backup program

Wed Jun 14 19:16:29 UTC 2006
Mark Schoonover <schoon at amgt.com>

Robin Mordasiewicz wrote:
> On Wed, 14 Jun 2006, Les Mikesell wrote:
> 
>> On Wed, 2006-06-14 at 13:09 -0400, Bowie Bailey wrote:
>>>>> I am looking for a simple backup program that I can use to backup
>>>>> a CentOS box to a local tape drive.
>> 
>>>> http://flexbackup.sf.net
>>>> 
>>>> I used that for years, but the network grew and needed a "bigger"
>>>> solution so I switched to backuppc which is working great.
>>> 
>>> I'm using backuppc.  I just need something to dump the backuppc
>>> machine to tape for an offsite or last-resort backup.  The problem
>>> is that backuppc is currently using 161GB (compressed) and the
>>> tapes only hold 40GB each, so I need something with some sort of
>>> intelligent tape-spanning capability.
>> 
>> You are going to have more trouble than that.  Backuppc will have
>> millions of hardlinks in that 161GB and nearly all file oriented
>> backup programs will take an impractical amount of time to deal
>> with them.  And restoring will be even worse - basically everything
>> ends up building a table of inode numbers and scanning it for a
>> match on every hardlink. 
>> 
>>> I haven't seen flexbackup.  I'm currently evaluating afbackup.
>> 
>> You really want a matching external hard drive so you can
>> dd an image copy to it.  There has been quite a bit of discussion
>> on this topic on the backuppc mail list and I'm not sure anyone
>> has come up with an ideal solution.  Or, you can use the 'archive
>> host' feature of backuppc to generate tar images of backup runs
>> optionally compressed and split to fit your media, but these
>> are copies of individual hosts and you loose the pooling feature.
>> 
> my .02$ is bacula
> It spans tapes. fully featured, reliable, well documented etc.


I used to use Bacula way back when, but restoring large amounts of data -
1TB range from tape is very slow. Went rsync to drives on another internal
server, and a backup server in our colo. Rsync makes it very easy to do
hourly, daily, weekly or monthly snapshots of data.

HTH

Mark