Installation and User's Guide

has one active backup version (the current version) and one or more inactivebackup versions of the file. All backup versions of a file are bound to the samemanagement class and are managed based on the attributes in the backup copygroup.When you archive a file for the first time, Tivoli Storage Manager binds it to thedefault management class, to the management class specified in yourinclude-exclude list, or to a management class you specify when modifying yourarchive options during an archive.Archived files are never rebound to a different management class. If you changethe management class for a file using an include.archive statement, the archmcoption, or through a Tivoli Storage Manager GUI, any previous copies of the filethat you archived remain bound to the management class specified when youarchived them.If a file is deleted on the client system then that inactive objects of the file are notrebound.Refer to the IBM Tivoli Storage Manager Administrator's Guide for your operatingsystem, for more information on how files and directories are associated withmanagement classes.Rebind backup versions of filesRetention grace periodRebinding associates a file or a logical volume image with a new management class.Backups of files are bound again to a different management class in the followingconditions. In each condition, the files (active and inactive) are not bound againuntil the next backup.vvvYou specify a different management class in an Include statement to change themanagement class for the file. The backups are managed based on the oldmanagement class until you run another backup.Your administrator deletes the management class from your active policy set.The default management class is used to manage the backup versions when youback up the file again.Your administrator assigns your client node to a different policy domain and theactive policy set in that domain does not have a management class with thesame name. The default management class for the new policy domain is used tomanage the backup versions.Refer to the IBM Tivoli Storage Manager Administrator's Guide for your operatingsystem, for more information on how files and directories are associated withmanagement classes.Tivoli Storage Manager also provides a backup retention grace period and an archiveretention grace period to help protect your backup and archive data when it isunable to rebind a file to an appropriate management class.The backup retention grace period is in the following cases:v You change the management class for a file, but neither the default managementclass nor the new management class contain a backup copy group.244 IBM Tivoli Storage Manager for Windows Backup-Archive Clients: Installation and User's Guide