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I have successfully been using backuppc on my Ubuntu 10.04 system for over a year to back up a couple of Linux clients.


I now desire to install Ubuntu 11.04 (on a different partition) on the system which serves as my backuppc server. I would like to configure backuppc on 11.04 to use the backup information I have been using on 10.04, and have the freedom to reboot between the two systems without impacting the backups of clients. On my 10.04 system, I had created /var/lib/backuppc on a separate LVM volume. Besides mounting this on my 11.04 system, what else do I need to do enable preserving backuppc data in this dual-boot environment?


Thanks,


Ram

On Friday 07 October 2011 17:50:58 Ram Rao wrote:
I have successfully been using backuppc on my Ubuntu 10.04 system for over
a year to back up a couple of Linux clients.

I now desire to install Ubuntu 11.04 (on a different partition) on the
system which serves as my backuppc server. I would like to configure
backuppc on 11.04 to use the backup information I have been using on
10.04, and have the freedom to reboot between the two systems without
impacting the backups of clients. On my 10.04 system, I had created
/var/lib/backuppc on a separate LVM volume. Besides mounting this on my
11.04 system, what else do I need to do enable preserving backuppc data in
this dual-boot environment?

You also need the settings of /etc/backuppc. And you will definitely want to
backup these with a different method in case the newer version breaks the
config-files.

Have a nice weekend,

Arnold

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I have an environment that - if I understand your plans right - more or
less corresponds to what you intend to do and that has worked without
problems for me during a couple of years:
- Several independant bootable partitions, each with its own copy of
backuppc code, of /etc/backuppc/config.pl and of /var/lib/backuppc
(in fact, the /etc.backuppc/config.pl files are copies of a
"standard" template)
- another file system (in fact another disk) that contains
(a) the backup data,
(b) the local data needed by backuppc - i.e. the "hosts" file
with the client list, and the "pc" directory with the
profiles of each host, but also
(c) the password file used by lighttpd - my httpd server.
(b) and (c) could be anywhere, having a single copy of these data
makes maintenance easy and avoids accidently introducing conflicting
configuration data. The /etc/backuppc/hosts and .../pc nodes of each
OS partition are soft links to the effective data.

Evidently, I am careful not to reboot while backuppc is running.

Normally, my OS partition are different versions of my preferred OS -
initially Mandriva, at present Mageia (a production version and several
versions with software under test).

While I evaluated potential candidates for the succession of Mandriva, I
had different Linux platforms on different partitions, and positively
evaluated that backuppc also worked in such a multi-platform
environment, and that the single copy of the backup data was not
corrupted. I am sure that this worked between Mandriva and Fedora,
between Mandriva and Mageia - I had tested other platforms, but for some
of them I had given up the evalutation early in the game, not sure in
which combinations I had gone as far as testing backuppc coexistance.

Unless the representation of the data saved by backuppc is modified and
unless the format of the host list and the host profiles is modified,
this coexistance should also work if different versions of backuppc run
on different partitions - but I have not explicitely tested this (except
the evident test that happens when a new version of backuppc is installed).

------------------------------------------------------------------------------
All the data continuously generated in your IT infrastructure contains a
definitive record of customers, application performance, security
threats, fraudulent activity and more. Splunk takes this data and makes
sense of it. Business sense. IT sense. Common sense.
http://p.sf.net/sfu/splunk-d2d-oct
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