ADSM-L

Re: Question on del volhist

2001-04-16 10:33:41
Subject: Re: Question on del volhist
From: "Prather, Wanda" <Wanda.Prather AT JHUAPL DOT EDU>
Date: Mon, 16 Apr 2001 10:33:59 -0400
Hi Glenn,

Yes, all my tapes, primary and copy pools, are managed as SCRATCH.

When a DR/copy pool tape becomes empty through reclamation,  if is a stgpool
tape and you have a REUSEDELAY set on the stgpool, it first becomes PENDING.
It's DRM status is still VAULT.

It stays in PENDING state for REUSEDELAY days, then it goes to EMPTY. At
that point, the DRM status changes from VAULT to VAULTRETRIEVE.

At that point, you should make arrangements to bring the tapes in
VAULTRETRIEVE status back onsite.

The next MOVE DRMEDIA you do, the DRM status changes to COURIERRETRIEVE.
The stgpool status is still EMPTY.  (You can skip the COURIERRETREIEVE
status if you want.)

One the tapes are back onsite, you are supposed to do a MOVE DRMEDIA to
state ONSITERETRIEVE.  THis is a little sneaky, because the tapes don't stay
in that state.  As soon as you move them to ONSITERETRIEVE, if you look
carefully at the log, you will see TSM immediately deletes them from the
storage pool.

If you have already checked them back into the library, they will go back
into library scratch status.  If you haven't already checked them back in,
then yes, they "disappear" and are shown nowhere in TSM.

But at that point, you should put them back in the library and check them in
as scratch.

DRM doesn't do that checkin for you; when you bring the tapes back, you have
to do the checkin yourself.

We don't have any problem with this working OK.  You just have to make sure
that you (or your operations staff) has explicit instructions to make sure
that the tapes get brought back onsite before somebody does that last MOVE
DRMEDIA that gets them changed back to ONSITERETRIEVE, and thereby deleted
from the storage pool listing.

(As for your question about volhist, scratch tapes are not tracked there.
Tapes become "scratch" by being checked into the library in scratch status.
YOu can only see "scratch" tapes by looking at the library inventory:  q
libv)

Hope this helps..

************************************************************************
Wanda Prather
The Johns Hopkins Applied Physics Lab
443-778-8769
wanda_prather AT jhuapl DOT edu

"Intelligence has much less practical application than you'd think" -
Scott Adams/Dilbert
************************************************************************







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