Command option restrictions for Instant Snapshots

When you are specifying Instant Snapshots with BMC AMI Copy commands, in addition to other requirements mentioned in the section, the following restrictions apply:

  • Because Instant Snapshots require output data sets to be on DASD if DSSNAP YES or DSSNAP AUTO is specified but UNIT indicates tape output, BMC AMI Copy issues RC=8.
  • RESETMOD NO is required for Instant Snapshots. RESETMOD YES results in an error and RC=8.

Related topics

Operational-considerations

Instant snapshots

  • XBMID from the OPTIONS command or the installation options module applies for DSSNAP YES or DSSNAP AUTO. However, STARTMSG on the COPY command applies only if you specify SHRLEVEL CONCURRENT.
  • DSNUM ALL is not allowed for Instant Snapshots and results in RC=8. For restrictions for different values of DSNUM with DSSNAP YES or DSSNAP AUTO, see DSNUM-and-Instant-Snapshots.

For certain catalogs and directories, the following restrictions apply:

  • DSSNAP AUTO is not supported. BMC AMI Copy issues BMC47427I DSSNAP AUTO FOR dbname.tsname IS NOT SUPPORTED and BMC30000 CHANGING TO DSSNAP YES.
  • Local backup, recovery primary, and recovery backup copies cannot be specified as Instant Snapshot copies. BMC AMI Copy issues BMC47427E backup INSTANT SNAPSHOT OF dbname.tsname IS NOT SUPPORTED.
  • If an Instant Snapshot and a local backup are specified for a copy, then the Instant Snapshot is registered as a FLASHCOPY and the local backup is promoted to a local primary copy.
  • A Db2 TEMPLATE statement allocates the output data set, and BMC AMI Copy symbolic variables are converted to Db2 COPY symbolic variables. C+ variables which do not have an equivalent Db2 variable should not be used.

 

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