• The 52 KB limit is due to current tape BLOCKSIZE limitations. Expand can handle data transfers
larger than 52 KB.
• Older Expand environments might not handle 52 KB transfer sizes. Different qualified file sets
might involve systems with different Expand limitations, and the systems at RESTORE time might
be different than those that created the BACKUP tape. For these reasons, individual limitations
and automatically limited remote I/O size cannot be identified. If the REMOTEIOSIZE exceeds
current hardware or software limitations, RESTORE returns this error:
TABLENAME *ERROR* Guardian error: 21 (BulkWrite)
You must repeat the operation using a smaller REMOTEIOSIZE.
• REMOTEIOSIZE does not affect any BACKUP tape contents (it only affects performance).
Therefore, RESTORE has no way to know or display the value of REMOTEIOSIZE from when
the BACKUP was made.
• The default ENSCRIBE I/O transfer size is equal to BLOCKSIZE, but you can use REMOTEIOSIZE
to reduce it if you need to because of Expand limitations.
RENAME
The RENAME option sets the name of a restored disk volume, replacing the volume name that
existed during the BACKUP process (volume mode only).
RENAME $volume
volume
is a valid volume name that is not being used for any other device or process in the system.
Guidelines
• For target volumes that are not removable, the RENAME option is ignored, and the disk retains
its permanent name.
• SQL objects can be dependent on files in multiple volumes. Before renaming a volume, consider
the dependencies of SQL objects that might be affected. For more information, see the SQL/MP
Installation and Management Guide.
• You must use the RENAME option if you use the TARGET and VOLUMEMODE options to
restore data to a disk that is different from the original source disk (and both the target disk
and the source disk are on the same system). Otherwise, error 66 is returned when an SCF
START command is issued to the restored disk. To prevent this problem:
RESTORE $tape,VOLUMEMODE,*,TARGET $lev-for-$data1,RENAME
$data1
SCRATCHVOL
The SCRATCHVOL option specifies the volume where RESTORE creates the temporary files that
are used in a DP1/DP2 conversion process for nonpartitioned files, key-sequenced files, or individual
partitions of partitioned files.
SCRATCHVOL $volume
volume
is a volume where temporary files are created.
152 RESTORE
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