Hi

 

If you have a z/OS system and have connectivity to the z/VM packs you
can run DFDSS full pack backup of all of your CKD packs and use ICKDSF
to restore them. This is what I usually do when I want to copy my system
packs for building a new z/VM LPAR for instance.  

 

Thank You,

 

Terry Martin

Lockheed Martin - Citic

z/OS and z/VM Performance Tuning and Operating Systems Support

Office - 443 348-2102

Cell - 443 632-4191

 

From: The IBM z/VM Operating System [mailto:[email protected]] On
Behalf Of Ivica Brodaric
Sent: Thursday, February 25, 2010 3:33 PM
To: [email protected]
Subject: Re: z/VM backup&restore procedure

 

 

 

Ivica

2010/2/26 Pluzhnikov Vsevolod <[email protected]>

Hello, All! 

Help me please in understanding the correct way of backup/restore z/VM
system (on CKD dasd). I'll need to perform this because of disruptive
upgrade of our DS8300. 

I'm testing now ddrxa. 

 Is it possible to define all 3390 mod9 (540RES, 540SPL, 540PAG,
USER...) dasd to maint  as full-pack minidisks and just backup all of
them on tape? 

You can, but I suggest a separate user, call it SYSDASD, SYSDISK, or
whatever, with password NOLOG. Let that user own all full pack
minidisks. You don't need any other statements in that user's directory
except USER and MDISK for each full pack. Then link from a worker
machine to perform backups. 

 

        Can I perform a restore with IPL from tape and just typing new
dasd in output command for restore or it can be done only from z/VM ?

You can restore by IPLing the tape with DDRXA program on it first, and
then mounting data tapes. To create the tape with ICKDSF, DDRXA and
DIRECTXA on it, do UTILITY UTILTAPE ALL or UTILITY UTILTAPE DDR for just
DDR after accessing MAINT 193. Tape needs to be attached as 181 for
this. You may also put the DDR program at the start of your first backup
tape using MOVEFILE:

 

1. Mount scratch tape and attach it to your machine as 181

2. Do the following commands:

REW 181

FILEDEF IN DISK IPL DDRXA S

FILEDEF OUT TAP1 (RECF F LRECL 80 BLOCK 80

MOVEFILE IN OUT

 

You may then IPL this tape in your virtual machine for practice or on a
real processor.

 

Ivica

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