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Taking a closer look at this message gives us the answer to your question:
Message ID . . . . . . . . . : CPD3824
Message file . . . . . . . . : QCPFMSG
Library . . . . . . . . . : QSYS
Message . . . . : Serial restore not valid for file &1.
Cause . . . . . : The file on volume &4 &2 &5 was not restored. The file
was saved by a parallel save operation and cannot be used with a serial
restore operation.
Recovery . . . : A restore from a parallel save must be a parallel restore
operation. Try the restore command again with a media definition object
specified that defines all the media files necessary for a parallel restore.
You will need to define a Media Definition Object on the system you wish to restore to and specify it on your RSTOBJ or RSTLIB command.
Here is some information taken from the Backup Recovery Guide V5:
Parallel Restore Operations
Beginning with V4R4M0, you can perform restore operations while using more
than one device simultaneously. The data that you restore in this manner must
have been saved in parallel format. You can use the Restore Library (RSTLIB) or
Restore Object (RSTOBJ) commands in conjunction with a media definition to
perform a parallel restore. You can use a media definition with the RSTLIB
command to restore *ALLUSR, *IBM, and *NONSYS libraries that were saved with
a media definition.
It is possible to restore from a parallel save if you are using fewer devices than
save operation used. However, IBM does not recommend this, due to the amount
of volume switching that you will need to do. IBM also does not recommend this
due to performance reasons. Restore operations that use fewer drives should only
be used occasionally to restore individual objects. Restore operations that use fewer
drives should never be used as part of a system recovery strategy, or to restore
large amounts of data. Whenever possible, the same number of devices that were
used during the save operation should be used during a restore operation.
A Display Tape (DSPTAP) command displays the list of objects that the system
saves across all media files. You only need one media file to display all of the
objects that the system saved during a parallel save operation. This list also
displays the number of media files that you need to restore data. However, you
need all of the media files to restore any of the objects that the system saved. This
may include multiple volumes.
IBM recommends that you use the same media definition object when saving and
restoring the same objects. If you use a different media definition object when
restoring, make sure that the same number of media files are defined within that
media definition object. If the number of media file definitions is different from
number that exists on the storage media, you will receive an error message.
The Info Center has instructions on how to create media definition objects. ==================================
MORE INFORMATION ON THIS TOPIC
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