The native capacity of the tape is 200 GB.  Assuming a compression ratio
of 2:1 *at the tape drive*, you would have 400 GB of data on each tape.
Whereas you are compressing the data before it reaches the tape -- "Unix
with compression directives" -- the drive a) can't compress the data any
more than it has already been compressed, and b) doesn't know that it is
already holding the equavalent of 400 GB.

I would expect you to be able to write more than 108 - 162 GB to the
tape before NetWorker reports that tape as either "100%" (it thinks the
tape's full capacity has been reached) or "FULL" (nothing more can be
written to the tape -- it knows this by having encountered a write
error).  Have you specified the correct tape size in the NetWorker
configuration?

adult swim wrote:

I am using 200GB tapes running "Unix with compression
directives" which if I am not mistaken should provide
400GB storage space but when I look at the Volumes
window I see the following:

Written   %Used
67 GB     68%
169 GB    100%
108 GB    100%
162 GB    FULL


Q: If 169GB is 100% than how is 162GB FULL and why
whould 108GB also show 100% and the main problem being
that this is not even close to 400GB.

--
     _
  __| | __ _ _  __ ___    | David M. DesRosiers
 / _' |/ _' | \/  / _ \   | MIT Lincoln Laboratory <http://www.ll.mit.edu>
| (_| | (_| |    /  __/   | 244 Wood Street
 \__,_|\__,_|\__/ \____@  | Lexington MA 02420-9108
              ll.mit.edu  | USA

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