Hello,

after getting so much interesting ideas how to backup the 
backuppc-server after asking this questions two weeks ago, I'm now close 
to take action.
The topic was:
Prepare for the worst, Howto backup the backuppc-server

To summarize:

I want to put /var/lib/backuppc on a RAID1 and add one (two) external 
disk to the RAID. Since this raid can be removed from the raid after the 
content has been synced I have a full copy of the backuppc-data for 
secure offline storage. Another idea I want to try afterwards is to add 
a disk using AoE (ATA over Ethernet). Because the AoE-Disk is attached 
to a virtual machine running on a client, I don't even need physical 
access to the server room, when swapping the drive for offline storage.

Since I've also an dd-diskimage of the server stored on the raid, I 
should be able to rebuilt my server (and then all clients) very easy (in 
theory).

My RAID1 (/dev/md0) is now mounted at /mnt/md0 and as far as I 
understand I need to move /var/lib/backuppc to the RAID.
Then when finished I would remount the RAID to /var/lib/backuppc.

Question
========
While looking for information about how to move the 
/var/lib/backuppc-directory I found:

'change archive directory' on the backuppc wiki
http://backuppc.wiki.sourceforge.net/change+archive+directory

Option 1 suggest to use:

        cp -pR /var/lib/backuppc /mnt/md0

while Option 3 suggest to move the directory to another place.

In order to be safe when something bad happens while transferring the 
data to the RAID, I dont want to use 'move'.

Just to make sure that I don't do something stupid before copying tons 
of GB of backup-data I would like have a short feedback regarding the 
command in option 1. Will this do the job? Can I just remount my RAID to 
/var/lib/backuppc afterwards and be sure that everything is working?

Thanks and kind regards

- Kurt


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