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: [email protected]
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: [email protected]
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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