The LEAVE option is probably the key. The default is UNLOAD, which
definitely would cause problems (E.g. The tape would have to be
remounted and would not be positioned properly) for each restore command
after the first.
Regards,
Richard Schuh
________________________________
From: The IBM z/VM Operating System
[mailto:[EMAIL PROTECTED] On Behalf Of Howard Rifkind
Sent: Monday, June 09, 2008 2:53 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: DDR Minidisk Restore Problem.
Thanks all. We will take a closer look at the source disks.
>>> "Schuh, Richard" <[EMAIL PROTECTED]> 6/9/2008 5:21 PM >>>
The first minidisk being empty has nothing whatsoever to do with
it. That is not an error condition unless the disk has not been
initialized and had the Track Capacity Record, R0, written on each
track. If that is the case, there is no r0 on any track and no volume
serial on the disk. DDR happily copies a track that has no data on it.
All it requires is R0. The copies go very quickly. If the mdisk that was
dumped has been formatted, then there is an FST and the remainder of the
disk is comprised of blocks of zeros. DDR is also happy with that.
Regards,
Richard Schuh
________________________________
From: The IBM z/VM Operating System
[mailto:[EMAIL PROTECTED] On Behalf Of Ed Zell
Sent: Monday, June 09, 2008 1:58 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: Re: DDR Minidisk Restore Problem.
Howard,
You might want to try using the SKIP parm on the
INPUT statement
to bypass the first file. My guess is that would
allow you to restore
the subsequent disks without issue.
Ed Zell
Illinois Mutual Life
(309) 636-0107
________________________________
From: The IBM z/VM Operating System
[mailto:[EMAIL PROTECTED] On Behalf Of Howard Rifkind
Sent: Monday, June 09, 2008 3:46 PM
To: IBMVM@LISTSERV.UARK.EDU
Subject: DDR Minidisk Restore Problem.
Hello all,
I'm having a problem restoring minidisks which I backed
up using DDR.
Backing them up all on one tape.
I batched up a bunch of minidisks, a quick sample is
below:
SYSPRINT CONS
PROMPTS OFF
INPUT 12C4 3390
OUTPUT 181 3590 (LEAVE
DUMP ALL
INPUT 1191 3390
OUTPUT 181 3590 (LEAVE
DUMP ALL
INPUT 12A2 3390
OUTPUT 181 3590 (LEAVE
DUMP ALL
All are going to the same tape. The first mini at 12C4
is empty. But, this didn't create any error during the dump process and
all the other DDR Dumps complete with problems.
However during the restore:
SYSPRINT CONS
PROMPTS OFF
INPUT 181 3590
OUTPUT 12C4 3390
RESTORE ALL
INPUT 181 3590
OUTPUT 1191 3390
RESTORE ALL
INPUT 181 3590
OUTPUT 12A2 3390
RESTORE ALL
Just the first minidisk restores to 12C4, which by the
way there isn't any records.
Then I get an endless stream of CCW errors on the 181
tape.
The minidisks to be restored are all R/W as an example
indicates below:
DASD 111F 3390 VPDPS1 R/W 8 CYL ON DASD 04B8
SUBCHANNEL = 0039
DASD 1191 3390 VPDPS1 R/W 9 CYL ON DASD 04B8
SUBCHANNEL = 002C
DASD 129D 3390 VPDPS1 R/W 9 CYL ON DASD 04B8
SUBCHANNEL = 0032
To get to the first minidisk I did a:
CP LINK USERA 11F 111F MW
Links are all O.K. no errors on any of the links.
Any thoughts on this would be appreciated.
Thanks.
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