When you issue a command in interactive mode, the resulting operation is assigned a unique job ID number. While in interactive mode, you can use the bak jobs command to list job ID numbers and status information about all of the operations currently executing or pending in the queue on a tape drive (operations that do not involve tapes execute immediately and do not appear on the list). You can use the job ID number of an operation (or its dump set name if it is a dump) with the bak kill command to cancel an operation that is executing or that is in the queue.
If you cancel an operation that is in the queue, it is removed from the queue with no other effects. Furthermore, if you cancel a tape labeling or tape scanning operation as it executes, the operation simply terminates with no further effects. However, canceling a dump or restore operation while it executes can produce inconsistencies on a backup tape or in the file system.
If you cancel a backup operation while it is executing, all filesets written to tape before the kill signal is received are complete and usable on the tape. However, filesets being written when the signal is received may be incomplete and should not be used.
If you cancel a restore operation while it is executing, all completely restored filesets are online and usable. However, because most restore operations require data from multiple tapes (a full dump tape and one or more incremental dump tapes), most filesets are usually not completely restored. If the kill signal occurs before the system accesses all of the necessary tapes, most filesets are not restored to the desired date or version and should not be used.
If the interrupted restore operation is overwriting one or more existing filesets, the filesets can be lost entirely; however, the data being restored still exists on tape. In general, to avoid the inconsistencies that can result from an interrupted restore operation, reinitiate the restore operation.
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Displaying Operations in Interactive Mode
Canceling Operations in Interactive Mode