Glossary

are no changes from the previous backup.

See also incremental ZDB.global options file

A file that allows you to customize Data Protector. It explains the global options, which cover various aspects of Data Protector, typically time-outs and limits, and affect the entire Data Protector cell. The file is located in the /etc/opt/omni/ server/options directory on HP-UX and Solaris systems and in the <Data_Protector_home>\Config\Serve r\Options directory on Windows systems.

group (Microsoft Cluster Server specific term)

A collection of resources (for example disk volumes, application services, IP names and addresses) that are needed to run a specific cluster-aware applications.

GUI

Across-platform (HP-UX, Solaris, and Windows) graphical user interface, provided by Data Protector for easy access to all configuration, administration, and operation tasks.

hard recovery (Microsoft Exchange Server specific term)

A Microsoft Exchange Server database recovery that is performed after a restore by the database engine, using transaction log files.

heartbeat

A cluster data set with a time stamp carrying information about the operational status of a particular cluster node. This data set or packet is distributed among all cluster nodes.

Hierarchical Storage Management (HSM)

A method for optimizing the use of expensive hard disk storage by migrating less frequently used data to less expensive optical platters. When needed, the data is migrated back to hard disk storage. This balances the need for fast retrieval from hard disk with the lower cost of optical platters.

Holidays file

A file that contains information about holidays. You can set different holidays by editing the Holidays file: /etc/opt/ omni/server/Holidays on the UNIX Cell Manager and <Data_Protector_home>\Config\Serve r\holidays on the Windows Cell Manager.

host backup

See client backup with disk discovery.

hosting system

A working Data Protector client used for Disk Delivery Disaster Recovery with a Data Protector Disk Agent installed.

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