HP Data Protector Operations Guide

For File system backups only, you can achieve the same by specifying the
–device option to
omnir on the command line. For integrations backup, you can use other alternatives.
• Keeping a
restoredev file under the directory:
o UNIX:
/etc/opt/omni/server/cell
o Windows: <DP_HOME>\Config\Server\cell
This is a plain text file containing the old and new device names separated by a space. It is
referred to whenever the device is called, and the old name is replaced by the new name. A
typical file looks like this:
"old_device1_name" "new_device1_name"
"old_device2_name" "new_device2_name"
"old_device3_name" "new_device1_name"
"old_device4_name" "new_device2_name"
• Change the device information permanently in the IDB by running:
omnidbutil –changebdev FromDev ToDev
You can also use this command for one particular session if you do not want to change it
completely. For the complete usage of this command, refer to the Data Protector CLI guide.
IDB maintenance activities
The HP Data Protector IDB is a RAIMA Velocis database. It is recommended to perform certain
maintenance tasks in addition to the scheduled maintenance tasks. This chapter covers daily
maintenance, as well as long-term maintenance actions, for instance purging, maintaining DCBF
files and tablespaces.
Short-term IDB maintenance
Daily notifications
Data Protector provides its own checking and maintenance mechanism, which performs
maintenance tasks and checks daily. Daily maintenance runs a series of commands that purge
obsolete data from many sections of the Data Protector Internal Database. It does not purge all
parts of the IDB, only those that do not require exclusive access to the IDB. By default, the daily
maintenance takes place at noon each day.
Every day at 12:00 P.M. by default, Data Protector:
• deletes obsolete DC binary files, sessions, and related messages.
• finds any free (unprotected) media in media pools in which the Use free pool and Move
free media to free pool options are set and deallocates the free media to a free pool by
issuing the command:
omnidbutil -free_pool_update
The daily maintenance runs the following
omnidbutil –purge commands:
• –sessions
• –messages
• –dcbf
• –mpos
The daily maintenance sessions command is determined by the setting of the
KeepObsoleteSessions variable, the messages command by the KeepMessages variable, and
the mpos command by the
QuickMediaFormat variable in the global options file, and
FormatOversPerTransaction:
•
QuickMediaFormat = prevent purge of all obsolete object versions at media
format/overwrite/export
•
FormatOversPerTransaction = the number of object versions per purge (default 50)
34 | Page