Anyone whose ever had to rebuild a server just fromtapes might agree

Gil Hauer gilh-bXRf4i9N8VRnz3GQr/xE2Q at public.gmane.org
Mon Jan 5 20:53:18 UTC 2004


On Mon, 2004-01-05 at 15:09, Keith Mastin wrote:
> >> 1. Getting a true backup of a system onto tape is often difficult due to
> >> open files of the OS and various(important)  data and programs.
> 
> IMHO, simply backing up to tape isn't enough. Tapes are slow write
> devices, and any changes to data during the write process isn't captured
> accurately. I also don't like backing onto tape direct from a live server
> for the same reason. A solution is simple as using rsync to copy the data
> to a back-up server so the data snapshot has a lower timestamp spread and
> make the backup to the tape from the snapshot.
> 

Another solution is to use LVM, create a extra snapshot partition and do
a 'snapshot' of the active partition. Then back up the data in the
snapshot.

That being said, I'm using rdiff-backup right now since I don't have
time to swap 14 2GB tapes on my slow tape drive :)

Gil

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