Tried setting 'runtape 1' already, tape did not get past 42.7%
   
  This is what happed ....
  ______________
  These dumps were to tape tapebac05.
*** A TAPE ERROR OCCURRED: [No more writable valid tape found].
Some dumps may have been left in the holding disk.
Run amflush to flush them to tape.
The next tape Amanda expects to use is: a new tape.
The next new tape already labelled is: tapebac06.
  ...
  ...
  ...
  USAGE BY TAPE:
  Label           Time      Size      %    Nb    Nc
  tapebac05       3:23 17479168K   42.7     7     0

  _____________________________


"Martin.Hepworth" <martinh AT solidstatelogic DOT com> wrote:
  
Wayne
So what happens if you change runtapes to 1? Ie use a minimum of 1 tape.

--
Martin Hepworth
Snr Systems Administrator
Solid State Logic
Tel: +44 (0)1865 842300

> -----Original Message-----
> From: owner-amanda-users AT amanda DOT org [mailto:owner-amanda-users AT 
> amanda DOT org]
> On Behalf Of Wayne Thorpe
> Sent: 21 November 2007 13:18
> To: amanda-users AT amanda DOT org
> Subject: Wasted Space, capacity under 50% over multiple tapes
>
> Questions: How can I get all 33.9 GB of data on my 40GB tape media? How
> can I get as much data as possible on first tape before moving to second
> tape?
>
>
> Hello,
> Summary or problem is as follows,
> -OS: Solaris 9
> -Version #: AMANDA 2.5.1p2
> -TapeInfo: Quantum DLT4000, 40GB Native, 80GB,
> -Driver Info: /dev/rmt/0n (no hardware compression)
> -Problem: I have 33.9 GB of comressed data spread accoss 14 different
> partitions that are scheduled for backup to tape at level 0 weekly. After
> software compression, each partition dump size range between 2.3MB and
> 7.8GB.
> The problem is that I getting a lot of wasted space on the tape writes.
> Runtapes in amanda.conf = 2. The first fills up to only 33.4% and then
> AMANDA moves job to a second tape filling up to 45.6%.
> In previous backups a 'ran out of tape' error appeared after using both
> tapes at under 50% and I would be forced to do a amflushed the next
> morning to a 3rd tape.
>
>
> Detail of Settings in amanda.conf:
> inparallel 4
> dumporder "sSsS"
> taperalgo firstfit
>
> runtapes 2
> tpchanger "chg-zd-mtx"
> tapedev "/dev/rmt/0n"
> tapetype QUANTUM-DLT4000
>
> define tapetype QUANTUM-DLT4000 {
> comment "Quantum DLT4000 (hardware compression disabled)"
> length 39936 mbytes
> filemark 4 kbytes
> speed 1008 kps
> }
> define dumptype comp-root-tar {
> root-tar
> comment "Root partitions with compression"
> compress client fast
> tape_splitsize 3994 mbytes
>
>
> Output from Mail Report:
> These dumps were to tapes tapebac07, tapebac08.
> The next 2 tapes Amanda expects to use are: 2 new tapes.
> The next 2 new tapes already labelled are: tapebac09, tapebac10.
>
>
> STATISTICS:
> Total Full Incr.
> -------- -------- --------
> Estimate Time (hrs:min) 0:09
> Run Time (hrs:min) 8:38
> Dump Time (hrs:min) 6:16 6:16 0:00
> Output Size (meg) 33944.8 33944.8 0.0
> Original Size (meg) 84163.4 84163.4 0.0
> Avg Compressed Size (%) 40.3 40.3 --
> Filesystems Dumped 14 14 0
> Avg Dump Rate (k/s) 1539.6 1539.6 --
>
> Tape Time (hrs:min) 6:44 6:44 0:00
> Tape Size (meg) 33945.6 33945.6 0.0
> Tape Used (%) 85.0 85.0 0.0
> Filesystems Taped 14 14 0
>
> Chunks Taped 19 19 0
> Avg Tp Write Rate (k/s) 1434.7 1434.7 --
>
> USAGE BY TAPE:
> Label Time Size % Nb Nc
> tapebac07 3:07 15724M 39.4 11 13
> tapebac08 3:37 18222M 45.6 3 6
>
> ________________________________
>
> Be a better sports nut! Let your teams follow you with Yahoo Mobile. Try
> it now.
> > _qDKvtAbMuh1G1SQtBI7ntAcJ>




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