Hp 3PAR Application Software Suite for Oracle Manuale Utente Scaricare il pdf (Pagina 161)

6.47

Recovery Manager 3.0.3/3.0.4 for Oracle User’s Guide

COMMAND

vcdba_set

SYNTAX

vcdba_set -s <oracle_sid> -p <db_host> -t <timestamp> -r

<time>{d|D|h|H} -f [-v]

DESCRIPTION

The vcdba_set command sets or extends a read-only virtual copy’s retention time. If the

volumes do not belong to a domain, the sets or volumes’ retention time cannot exceed the

value of the system’s

VVRetentionTimeMax. The default value for the system’s

VVRetentionTimeMax is 14 days. If the volumes belong to a domain, then the read-only

virtual copy’s retention time cannot exceed the value of the domain’s

VVRetentionTimeMax,

if set. The retention time cannot be removed or reduced once it is set. The

vcdba_display

command with -r option can be used to display all virtual copy volumes with their

corresponding retention time.

Requirements for setting retention time:

■ The retention time will only be applied for read-only database virtual copy.

■ The retention time can be set during RM-O configuration time (vcdba_config) per

database as a policy or during virtual copy creation time (

vcdba_create or

vcdba_rsync).

■ The retention time set during configuration time serves as the default value all virtual

copies created thereafter.

■ The retention time can also be specified during a virtual copy creation to overwrite the

retention value set during the RM configuration.

■ The retention time can be modified but it can not be lower than the original setting.

■ The retention time can be specified in hours or days.

■ The minimum value for retention time is 0 hour and the maximum value is 43800 hours

(1825 days or 5 years).

■ The retention time can be set to 0 indicating that a database virtual copy has no retention

time and can be removed immediately.

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Hp 3PAR Application Software Suite for Oracle Manuale Utente Pagina 161