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Using Backup Options
Chapter 5232
The different logging level settings influence the IDB growth, backup
speed, and the convenience of browsing data for restore.
To be able to select the most appropriate logging level setting, it is
important to understand the consequences. Refer to the HP OpenView
Storage Data Protector Concepts Guide for more information on logging
level and usage recommendations.
Load Balancing: Balancing the Usage of Backup Devices
What Is Load
Balancing?
By default, Data Protector automatically balances the usage of backup
devices specified for backup. This is also called load balancing, and it
ensures equal usage of the devices. When you run backup with the Load
Balancing option, Data Protector uses devices in the order they are
specified in the load balanced backup specification.
NOTE If you disable the Load Balancing option, you have to select the backup
device which is used to back up each object in the backup specification. If
a device becomes unavailable, then the objects that should be backed up
to the device will not be backed up.
See the HP OpenView Storage Data Protector Concepts Guide for more
information on load balancing.
Log
Directories
When this logging level is selected, all detailed
information about backed up directories (names,
versions, and attributes) is logged to the IDB. You can
browse only directories before restoring. However,
during the restore Data Protector still performs fast
positioning because a file is located on the tape near
the directory where it actually resides. This option is
suitable for filesystems with many auto-generated
files, such as news and mail systems.
No Log When this logging level is selected, no information
about backed up files and directories is logged to the
IDB. You will not be able to search and browse files
and directories before restoring.
Table 5-2