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TSIDMNT Commands PURGE
Chapter 3. DSN Catalog Management Utility 3-33
PURGE
Use the PURGE command to remove BIM-EPIC dataset definitions (EDDs), versions, and
tape volume serial numbers from the DSN Catalog. With PURGE, you can delete an entire
dataset and all its versions (tape and disk) or simply remove a tape volume and the versions it
contains.
Datasets which are part of a multi–dataset group cannot be purged until all other datasets in
the group are scratched or deleted. In addition, all versions must be in closed status before
they can be purged.
If an Automated Cartridge Library (ACL) is supported, PURGE sets the tape volume to
“scratch” status in the ACL inventory.
Do not use this command for routine deletion of datasets.
When a tape volume is purged, BIM-EPIC does not attempt to determine whether it is a valid
scratch tape. For this reason, use this command only when a physical tape volume is
destroyed or permanently removed from your installation.
Encrypted dataset versions must not be purged from the DSN Catalog. Once information
about an encrypted version is deleted, it cannot be decoded and is forever unreadable.
PURGE
'
dataset-name
'
SER=
volser1
,
volser2
,...
Parameter Required? Valid Entry Default
Specify one of the following two (required):
dataset-name
1 to 44 characters None
SER 1 to 6 characters None
dataset-name specifies a dataset name when you wish to delete an EDD and all associated
versions from the DSN Catalog. The dataset is no longer controlled.
SER specifies a tape volume serial number when you wish to remove that serial number from
the DSN Catalog, but leave the dataset under BIM-EPIC control. If the volume serial number
contains non–alphanumeric characters, enclose it in apostrophes.
The following example purges PAYROLL.TABLE and all associated tape volumes.
PURGE 'PAYROLL.TABLE'
The following example purges volume PR3746 and the version written on it.
PUR SER=PR3746
Description
WARNING!
Syntax
Parameters
Examples
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