HP B6960-90078 Scheduler, Session key, Shadow copy set MS VSS specific term, See also shadow copy

Glossary

device if someone has manually manipulated media without using Data Protector to eject or enter, for example.

Scheduler

A function that controls when and how often automatic backups occur. By setting up a schedule, you automate the start of backups.

Secondary Volume (S-VOL) (HP StorageWorks Disk Array XP specific term)

Secondary Volumes, or S-VOLs, are XP LDEVs that act as a secondary CA or BC mirror of another LDEV (a P-VOL). In the case of CA, S-VOLs can be used as failover devices in a MetroCluster configuration. The S-VOLs are assigned separate SCSI addresses, different from the addresses used by the P-VOLs.

See also Primary Volume (P-VOL).

session

See backup session, media management session, and restore session.

session ID

This environment variable is set by Data Protector during actual backup sessions (not during preview). It identifies a session and is recorded in the database.

session key

This environment variable for the Pre- and Post-exec script is a Data Protector

unique identification of any session, including preview sessions. The session key is not recorded in the database, and it is used for specifying options for the omnimnt, omnistat and omniabort CLI commands.

shadow copy (MS VSS specific term) A volume that represents a duplicate of the original volume at a certain point in time. The data is then backed up from the shadow copy and not from the original volume. The original volume continues to changes as the backup process continues, but the shadow copy of the volume remains constant.

See also Microsoft Volume Shadow Copy service.

shadow copy provider (MS VSS

specific term)

An entity that performs the work on creating and representing the volume shadow copies. Providers own the shadow copy data and expose the shadow copies. Providers can be software (e.g. system providers) or hardware (local disks, disk arrays). See also shadow copy.

shadow copy set (MS VSS specific term)

A collection of shadow copies created at the same point in time.

See also shadow copy.

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