Veritas Storage Foundation for Oracle 5.0 Administrator's Guide, HP-UX 11i v3, Second Edition, December 2008

If the snapshot has not been taken and the snapshot plex (mirror) exists:

■ Remove the snapshot as follows:

# vxsnap -g diskgroup rmmir volume

Remove the DCO and DCO volume:

# vxsnap -g diskgroup unprepare volume

Remove the snapplan:

# /opt/VRTS/bin/dbed_vmchecksnap -S db -f snapplan -o remove

For example, the following commands will remove a snapshot volume from disk

group PRODdg:

# vxsnap -g PRODdg dis snap_v1

# vxvol -g PRODdg stop snap_v1

# vxedit -g PRODdg -rf rm snap_v1

Using Database FlashSnap in an HA environment

Veritas Storage Foundation for Oracle supports Database FlashSnap in the HA

environment.

Note: This HA information does not apply to using Database FlashSnap in a Veritas

Storage Foundation for Oracle RAC environment.

When using Database FlashSnap in the HA environment, observe the following

limitations:

■ Modify the default snapplan to use the virtual host name defined for the

database resource group for the PRIMARY_HOST and/or the SECONDARY_HOST

parameters and validate the snapplan before creating a snapshot by running

the following command:

dbed_vmchecksnap -S ORACLE_SID -H ORACLE_HOME -f SNAPPLAN \

-o validate

■ The primary database must be down before you perform reverse

resychronization (dbed_vmsnap -S ORACLE_SID -f SNAPPLAN -o

reverse_resync_begin). When Veritas Cluster Server (VCS) detects that the

281Using Database FlashSnap for backup and off-host processing

Using Database FlashSnap in an HA environment