For a backup job, CA VM:Backup needs the appropriate privileges to get a read-only link to all the minidisks to be backed up. This includes storage-group minidisks that hold SFS data to be backed up.
For a restore job, CA VM:Backup needs the appropriate privileges to get a write or mult link (as specified in the job) to all the minidisks to be restored. You can modify this link mode by using VMBEXIT4. No links are required to restore data into the Shared File System.
If you do not have an External Security Manager (ESM), CA VM:Backup must have the LNKNOPAS option in its directory entry. The LNKNOPAS directory option allows CA VM:Backup to link to all minidisks on the system without using a password. Without LNKNOPAS, CA VM:Backup can only link to (and therefore only backup or restore) minidisks that have a password of ALL.
If you use a security system (for example, CA VM:Secure), you must specify a rule that allows CA VM:Backup to link to minidisks without using passwords. See the CA Mainframe VM Product Manager Product Interface Guide for details on using the CA VM:Secure Rules Facility and the NOPASS option with CA VM:Backup.
Note: The LNKNOPAS option has no effect if you have an ESM. However, you should specify it anyway so that CA VM:Backup can continue to function even if the ESM is down.
Important! If CA VM:Backup is not authorized by a security system or the LNKNOPAS option to link to minidisks without using passwords, CA VM:Backup will not backup all the minidisks on your system.
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