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G-39
Glossary
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
An identifier of a backup, restore, object
copy, object consolidation, or media
management session, consisting of the
date when the session ran and a unique
number.
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 (for example, 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.
shared disks
A Windows disk on another system that
has been made available to other users