On Mon, Aug 29, 2011 at 08:03:57AM +0200, Gour-Gadadhara Dasa wrote:
> Hello!
>
> I've 3 different sets of multimedia data which I want to backup for
> longer-term archival with occassional restore of some specific data. At
> the moment the data is backed up using 3 different configurations:
>
> * movies-hi8
> * movies-vhs
> * slides (scanned 35mm slides)
>
> Each set is backed on the set of tapes spanning 4 or 5 of them, but
> this makes restore (too) long procedure, so I'd like to redo my backup
> in order that there is no tape spanning, iow, that data from each tape
> can be restored separately.
>
> In order to do that, I modified my old configuration for e.g. slides,
> and created 4 DLEs in my disklist looking like:
>
> atmarama.noip.me /slides/tape1 /mnt/backup
> { simple-gnutar-local
> include append "./gmp/1" "./gmp/2"
> include append "./nmp/1" "./nmp/2" "./nmp/3/" "./nmp/4"
> }
>
> atmarama.noip.me /slides/tape2 /mnt/backup/ {
> simple-gnutar-local
> include append "./np/1" "./np/2"
> include append "./si/1" "./si/2" "./si/3" "./si/4"
> }
>
> [...]
>
> hoping it would put each DLE on a separate tape (I've tweaked the sets
> so that each DLE can fit on a single LTO-2 tape.
>
> However, by inspecting logs while the backup is still going on, I'm not
> sure the job will be done successfully, here is the part of the current
> log (when the 2nd tape is loaded):
>
> START planner date 20110828224319
> DISK planner atmarama.noip.me /slides/tape1
> START driver date 20110828224319
> DISK planner atmarama.noip.me /slides/tape2
> DISK planner atmarama.noip.me /slides/tape3
> STATS driver hostname atmarama.noip.me
> DISK planner atmarama.noip.me /slides/tape4
> INFO planner Adding new disk atmarama.noip.me:/slides/tape1.
> INFO planner Adding new disk atmarama.noip.me:/slides/tape2.
> INFO planner Adding new disk atmarama.noip.me:/slides/tape3.
> INFO planner Adding new disk atmarama.noip.me:/slides/tape4.
> STATS driver startup time 0.008
If you want each DLE on its own tape, consider running each
DLE in a separate amdump run.
$ amdump <config> <host> <dle>
--
Jon H. LaBadie [email protected]
JG Computing
12027 Creekbend Drive (703) 787-0884
Reston, VA 20194 (703) 787-0922 (fax)
