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Re: [BackupPC-users] Migrating backup machines
2010-04-23 17:50:57
I too had the same question. However, I did think about mounting an iscsi volume and create a secondary LV on it to move the snapshot to. Other options would be to boot the server with something like clonezilla and the target machine with the same and do a direct copy that way. I am actually looking at moving our production backuppc machine to a Xen domu on top of a DRBD LVM so I can have fully redundant live failover. Plus that makes it just that much easier to move between machines if need be.
On Fri, Apr 23, 2010 at 4:33 PM, B. Alexander <storm16 AT gmail DOT com> wrote:
Thanks Tyler,
However, for snapshotting to work, don't you have to have at least as much space for the snapshot as you do for the original partition? I currently am using nearly 60% of the VG just for backups, which is the root of the problem. It wasn't apparent in my scanning of the article (I'll go back and read for content in a bit).
--bOn Fri, Apr 23, 2010 at 4:44 PM, Tyler J. Wagner <tyler AT tolaris DOT com> wrote:
On Wednesday 21 April 2010 06:03:08 Tyler J. Wagner wrote:
> I am currently in the process of doing this in two steps:
>
> 1. Moving the cpool to a partition with LVM, so as to be able to make
> snapshot binary backups in future.
>
> 2. Copying the snapshot over the network to a backup server.
>
> I'll blog it soon and post here. In short, the fastest way to duplicate
> your pool is: dd if=/dev/partition1 of=/dev/partition2
As promised, how to use LVM to clone a BackupPC pool.
http://www.tolaris.com/2010/04/23/using-lvm-to-make-a-live-copy-of-a-backuppc-
pool/
Regards,
Tyler
--
"Before we got into this war there were countless 'military experts'
and intelligence analysts that told us this was a good idea, that we
had to do it. That presented their information, and were so terribly
wrong. These people are still affecting public policy. They are still
considered experts. I'm sorry, shouldn't there be a rule or law that
says if you fuck things up so badly, you can no longer be considered
an expert?"
-- Tim Robbins
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