I am the original sender and we have been having some problems sending
EMail but I am receiving them OK.

I still don't really understand what you are saying here.  Can you
please expand it.

Dianne Sharp
dsharp AT clear.co DOT nz

>----------
>From:  Jerry Lawson[SMTP:jlawson AT ITTHARTFORD DOT COM]
>Sent:  Friday, 18 October, 1996 1:00AM
>To:    Multiple recipients of list ADSM-L
>Subject:       Re: Tape utilisation question
>
>---------------------------- Forwarded with Changes
>---------------------------
>From: INTERNET.OWNERAD at SNADGATE
>Priority: Urgent
>Date: 10/2/96 4:08PM
>To: Jerry Lawson at TISDMAIL
>*To: *Multiple recipients of list ADSM-L at SNADGATE
>Subject: Re: Tape utilisation question
>-----------------------------------------------------------------------------
>--
>
>Sorry to repost this message response again, but the original submittor (who
>didn't sign his note) seems to have problems with getting postings from the
>'net.
>
>Jerry Lawson
>jlawson AT itthartford DOT com
>________________________Forward Header________________________
>-
>
>What I have noticed (at least with 3480 drives on an MVS Server) is that the
>estimated capacity and utilizations are based on each other until one of the
>following events occurs:
>
>1.  You put more than the estimated amount of data on the tape.  Then the
>number becomes a little funny, because it is trying to figure out how much
>tape is really left.
>
>2.  You fill up the tape.  The real amount of data put on the tape (which
>will
>almost never be the estimated capacity) becomes the basis for figuring
>utilization.
>
>And of course, as data becomes unusable on the tape, the the %usable on the
>tape drops as well.  This is of course offset by the %reclaimable field -
>both
>usually add up to 100%.  The tape status should be "Full"
>
>Jerry Lawson
>jlawson AT itthartford DOT com
>________________________Forward Header________________________
>Subject: Tape utilisation question
>Author:  ADSM-L at unix,mime/dd.RFC-822=ADSM-L\@VM\.MARIST\.EDU
>Date:    10/1/96 8:27 PM
>
>
>We are running ADSM V1 server on MVS.
>
>When looking through the Admin GUI under Storage Pool Volumes, it shows
>some tape volumes as having a different estimated capacity than others,
>e.g :
>
>Estimated Capacity (MB) Percent Utilised
>428                             100
>726                             53
>673                             100
>660                             49
>
>We have one DEVCLASS for all tapes, which are all in a tape library.
>The Estimated Capacity we specified when setting up the DEVCLASS was
>800MB.
>
>Can someone please explain what these figures actually mean and why they
>appear to vary.
>