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  3. May 2010

RE: The problem with SAVCHGOBJ . . .

Ancient history: I wrote a CL for v2r2 (said it was ancient) to save libraries in a specified sequence. Purpose was to get system up as quickly as possible. The priority libraries were backed up and then subsystems were started and remaining libraries were backed up. Tape was 9 track. Multiple SAVLIB ENDOPT(*LEAVE), followed by CHKTAP ENDOPT(*UNLOAD). During the save, system requested tape changes as needed. Is it reasonable to assume that is still true?

John McKee


-----Original message-----
From: "Harman, Roger" Roger.Harman@xxxxxxxxxx
Date: Mon, 10 May 2010 19:53:53 -0500
To: Midrange Systems Technical Discussion midrange-l@xxxxxxxxxxxx
Subject: RE: The problem with SAVCHGOBJ . . .

1) One would assume you'll be prompted for a fresh tape - Is this really an issue given current tape drive capacities?
2) Try CHKTAP ENDOPT(*REWIND) or *UNLOAD as you prefer


-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of James H. H. Lampert
Sent: Monday, May 10, 2010 5:39 PM
To: Midrange Systems Technical Discussion
Subject: Re: The problem with SAVCHGOBJ . . .

Paul Nelson wrote:

Cycle through the file, and for each library you hit, use the *LEAVE parm to
stop the tape while you read the next record.

Excellent idea, particularly combined with the idea of using an output
file from the SAVCHGOBJ itself, but it raises a couple of questions:

1. What happens if I hit the end of a tape volume while doing a bunch of
SAVLIBs to pick up what SAVCHGOBJ missed?

2. If I do use *LEAVE, to speed things up, I'm not going to know, at any
given time, whether I'm at the last SAVxxx command. What's the easiest
way to rewind the tape at the end of this whole process?

--
JHHL
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