I don't think that would work as PreDump. The daemon needs access to 
/var/lib/backuppc just to run. You've have to do the LUKS mount at backuppc 
start time.

Regards,
Tyler

On Thursday 01 July 2010 03:00:27 Lord Vault wrote:
> Hi everybody, i'm trying to make a backup on a luks encrypted disk using a
>  PreDump script like this:
> 
> echo password | cryptsetup luksOpen /dev/sdb backupDisk
> mount /dev/mapper/backupDisk /var/lib/backuppc
> 
> where
> 
> $Conf{TopDir} = '/var/lib/backuppc';
> 
> 
> But BackupPC somehow senses the change and returns me "Error: Unable to
>  connect to BackupPC server" in the "<hostname> Home" page. I'm aiming to
>  let the disk unencrypted only during backups, and possibly using luks.
> 
> Can you please help me? I've tried to figure it out for almost the whole
>  day. Thanks!
> 
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