> Yes use dd (or even better dd-rescue that is restartable and gives progress
> indication) for big pools. For smaller pools you might use "cp -a" or "rsync
> -aH" (restartable). You have to find out the practical upper limit for the
> latter methods depending on your requirements.

Thanks for dd-rescue suggestion, i'll take a look at it


> Another alternative is to use at least three disks in a rotating scheme and
> RAID1. (Those of you who have been reading the list for more than a few days 
> are
> getting tired of hearing this by now, I imagine...!) Say you have three disks
> labeled 1, 2 and 3. Then you would rotate them according to the schedule 
> below,
> which guarantees that:
> - there is always at least one disk in the BackupPC server.
> - there is always at least one disk in the off-site storage.
> - all disks are never at the same location.
>
> 1 2 3   (a = attached, o = off-site)
> a o o
> a a o -> RAID sync
> o a o
> o a a -> RAID sync
> o o a
> a o a -> RAID sync
> . . .
>

i'll try this too, where i have a raid or i need it
thanks!

Ermanno

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