Re: Tape category *SHARE400 *NOSHARE and restore from type 21 Save -- MIDRANGE-L

Paul:

Two answers: If you TEST THE RESTORE no I think you'll be OK, but, big
but, until you've tried a recovery, chances are the first one or two will
fail in some way. Restoring individual objects is a different animal than
a recovery. So assuming a test and you've stepped on any land mines
already, should be good to go. It sounds like you understand how to use
the categories well.

Answer 2: Unless you know the special steps needed for a full recovery,
and have them documented , then you're bound for heartache and headaches if
you really get into a recovery situation. You'll need help.

Jim Oberholtzer
CEO/Chief Technical Architect
Agile Technology Architects

On Wed, Mar 7, 2018 at 12:23 PM, Musselman, Paul <
pmusselman@xxxxxxxxxxxxxxxx> wrote:

We normally assign tapes to be used for Options 21 or 22 to category
AVAIL2122. These are (hopefully) initialized and blank. We then SETTAPCGY
to AVAIL2122 so when the Option 21/22 looks for a *MOUNTED category it can
find a tape. And the tape is re-assigned to OPTION2122 when the save is
completed.

So far, we haven't had to do a complete system restore from one of our
tapes, although we regularly restore bits and pieces so the programmers can
figure out what the users have been doing worng! When we load such tapes
into the tape monster we assign them to category TOBRESTORE so the backup
process can't grab them by mistake.

Are we setting ourselves up for problems if we ever need a complete
restore?

Paul E Musselman
PaulMmn@xxxxxxxxxxxxx

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of
Jack Woehr
Sent: Wednesday, March 07, 2018 1:41 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: Re: Tape category *SHARE400 *NOSHARE and restore from type 21 Save

Well, what confused me, Jim, is that a tape was produced in a standalone
drive and GO SAVE seems to have no notion itself of *SHARE400 etc.

I certainly have, in using tape libraries, changed a fresh tape from
*NOSHARE to *SHARE400 routinely, as our tape libraries are themselves
shared.

I just wondered if there was some "magic" NOSHARE bit at Save type 21 time
that spoiled a tape forever from being restored to a different LPAR.

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