Mauro Condarelli ha scritto:
> Hi,
> I see a hint in the docs saying it might be possible to rotate the
> backup storage.
> I am currently backing up to an external USB drive.
> I would like to keep at least two sets of backups on two distinct
> (possibly identical) USB drives.
> What should I do to obtain this (aside from swapping the two units, of
> course!).
> I would also like to have some means to automatically abort the backup
> if the USB drive is not plugged in.
> 
> Please forgive me if I asked something obvious, but I'm new to BackupPC
> and I just skimmed the docs (I just didn't have the time yet,  I *will*
> do my homework :) ).

Hi all,
I'm just answering to myself in case someone needs to do the same thing :)

It's actually quite trivial:

You just have to set the mount point as non-writeable by user backuppc
(it usually is the default if You create the mount-point as root).

This way if the external disk is not mounted BackupPC aborts instantly.

If the disk is mounted (and writeable, of course!!) it will backup as
instructed.

I'm doing manual /umount/switch/remount having care to check no backup
is currently under way.
I assume some automated switch could be easy to implement.

HiH
Mauro

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