Backup and Archive Policies

What is in the backup ?

• Data in registered AFS volumes recover_data_from_AFS (or ask the afs administrator of your group)
• Data in registered central filesystems under WINDOWS and UNIX/NFS

     On UNIX backup client machines the configuration of filesystems included into the backup
     you find in the file /opt/tivoli/tsm/client/ba/bin/dsm.sys
     Don't edit this file - it will be overridden by cfengine

How long are data kept in the backup ?

• Data in AFS directories are kept for at least 6 months in the backup.
• Data under UNIX/NFS and data under WINDOWS:

     * from files that still exist in your directories 20 versions are kept in the backup
     * from files that have been deleted from your directories 19 versions are kept for 90 days
     and the last version is kept for 365 days

How to restore data ?

• For data in AFS volumes see recover_data_from_AFS .
• For data under WINDOWS you may access shadow copies which are produced outside TSM. Please read Backup under Windows or contact uco-zn@desy.de to restore data with TSM.
• For UNIX/NFS please contact uco-zn@desy.de.
• For archived data please contact uco-zn@desy.de

To create an archive please contact uco-zn@desy.de