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Re: Backup to a DLT drive but two servers to the backup hard drives.
2006-01-31 11:42:54
On Tue, 31 Jan 2006 at 10:40am, Jon LaBadie wrote
On Tue, Jan 31, 2006 at 10:37:44AM +0000, Chuck Amadi Systems Administrator
wrote:
Sorry if my last post is confusing I have confused myself lately.
Howto get Amanda to back up individual servers large directories as
seperate Disk List Entries (DLEs) using tar (GNUTAR) to the backup
servers hard drives but another server to DLT cartridge for off site
storage.
I will be purchasing a 80GB DLT drive and a dedicated backup server with
two 80GB scsi hard drives.
1) I want to backup our main file server onto the 80GB DLT drive.
2) I want backup The 80gb web server and 80gb mail server to the two
80gb drives on the backup server not the 80gb DLT drive.
3) Would this be possible as I want a robust final solution that is
affordable and maintainable for upgrades etc etc.
Wouldn't this simply be 2 (or 3) amanda configs: One dumping the file
server to tape, the other(s) backing up the web and mail servers to
virtual tapes?
There are ways, not trivial if I recall correctly, to run multiple configs
at the same time. But the simplest way would be to time your cron jobs
so that they do not overlap. And the simplest way of all is to have your
cron job be a shell script that does the amdump's sequentially.
Actually, as long as you don't have any clients in both configs, it's
trivial to run 2 configs simultaneously on the same server. I do it
every night on a server hooked up to a loader with 2 tape drives in it.
The other gotcha' in that situation, though, is to give each config its
own holding space, otherwise one config may unexpectedly run out mid-dump.
--
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University
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