Target set definition files

A target set definition file contains a list of target volumes that are organized into target sets.

During the backup process, IBM® Storage Protect Snapshot software matches source volumes to suitable targets within a target set. To determine source target relations, associate a source name with a target name in a target set definition file. In this scenario, the relationship between the source and target is required. Backup processing fails if one of the targets is unavailable for the specified source. For details on the target selection algorithms, see Target set and target volumes files.

If IBM Storage Protect Snapshot attempts to mount the target set, the volumes within the target set must be assigned to a backup host. For example, the target set is mounted to create a backup to IBM Storage Protect. Because all target volumes within a single target are mounted to the same host, assign all target volumes within a target set to the same host. When you use multiple backup servers within your environment, use multiple target set definition files.

For SAN Volume Controller and Storwize family storage solutions, IBM Storage Protect Snapshot can assign the target volumes dynamically during the mount operation. In this case, you must not assign the target volumes in advance of the mount operation.

>>> TARGET_SET SET_1 # IBM Storage Protect Snapshot determines 
                                 a suitable target for every source
TARGET_VOLUME 40913158 
TARGET_VOLUME 40A13158 
TARGET_VOLUME 40B13158 
<<< 
>>> TARGET_SET SET_2 # For every source the target is mandated in the target set 
                     # definiton (source name following target name)
TARGET_VOLUME 40C13158 40613158
TARGET_VOLUME 40D13158 40713158
TARGET_VOLUME 40E13158 40813158 
<<<