On Mon, Feb 4, 2019 at 3:38 AM Arsalan Naeem <naeemarsa...@gmail.com> wrote:
>
> Recently I experimented with host migration from one backuppc to another
> fresh install. I rsynced the hosts folder in /var/lib/BackupPC/pc/< Host > to
> a new instance. After adding the host via the web GUI. I could see all the
> incremental/full backup history. I was able to download archive and restore
> it to a server. I have done this many times with 100% success rate with other
> hosts.
>
> I wanted to know is this a safe method off migration and cold storage backup
> option, also how is this process working, I wasn't able to find anything in
> the wiki regarding migrations other then TarCopy.
With backuppc v3, copying a host directory works as far as having a
copy of the content goes but you lose the de-duplication of storage
for subsequent runs. The problem with it is that you lose the
hardlinks into the pool/cpool directory that next backup run needs to
be able to match files and make new hardlinks. So you'll get a 2nd
copy of each file in your archive until the copied backups expire and
are deleted.
--
Les Mikesell
lesmikes...@gmail.com
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