This utility provides the capability to process the entire CA Disk archive data set name index and delete specified records. It can delete both expired and unexpired index entries. Through command parameters, you can restrict it to processing the index entries for only certain specified data sets.
Used as a general maintenance tool, IXMAINT can be run on a daily basis with preset commands to perform periodic cleanup of the index files, or it can be used to accomplish specific tasks on an as-requested basis. Its main objective is to delete index entries for unwanted data sets. (If the index entry being deleted is the last copy of an archived data set, or is SMS-managed, the catalog entry can also be removed. For details, see the sysparm description for UNCATPSUn in the Systems Guide.)
If during processing only one index entry is remaining and the data set does not exist online, CA Disk can issue a TSO message. This message warns that only one copy of the data set is left. The message is sent to the userid that archived or backed up the data set, or, if the index entry expiration date has been updated, to the userid that last updated the index entry. The issuance of the TSO message is controlled by the sysparm IXUSRNOT, described in IXUSRNOTn in the Systems Guide.
Note: This message will be issued for every IXMAINT command that detects the condition, even in simulate mode.
This utility deals with the DSNINDEX subfile of the Files Data Set. There is interaction with the ARCHVOLS subfile so that archive tapes or archive data sets on disk will be released from the archives when there are no longer any DSNINDEX records that see it.
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