Veritas Storage Foundation™ for Oracle 5.0.1 Administrator's Guide

Chapter 13 Using Database FlashSnap for backup and off-host
processing ..................................................................... 223
About Veritas Database FlashSnap ................................................ 224
Typical database problems solved with Database FlashSnap ......... 225
About Database FlashSnap applications .................................... 225
Database FlashSnap .............................................................. 226
Database FlashSnap commands .............................................. 227
Database FlashSnap options ................................................... 228
How to plan for Database FlashSnap .............................................. 229
Snapshot mode .................................................................... 229
One or two snapshot hosts ..................................................... 229
Hosts and storage for Database FlashSnap ..................................... 229
Single-host configuration ...................................................... 230
Two-host or Oracle RAC configuration ..................................... 230
Host and storage requirements ............................................... 231
Creating a snapshot mirror of a volume or volume set used by
the database .................................................................. 232
Upgrading existing volumes to use Veritas Volume Manager
5.0 ............................................................................... 243
Upgrading from Veritas Database Edition 3.5 for Oracle with
Database FlashSnap ........................................................ 248
Summary of database snapshot steps ............................................. 249
Creating a snapplan (dbed_vmchecksnap) ....................................... 253
Creating multi-mirror snapshots ............................................. 260
Validating a snapplan (dbed_vmchecksnap) ..................................... 263
Displaying, copying, and removing a snapplan
(dbed_vmchecksnap) ............................................................. 267
Creating a snapshot (dbed_vmsnap) ............................................... 270
Backing up the database from snapshot volumes
(dbed_vmclonedb) ................................................................ 274
Mounting the snapshot volumes and backing up ........................ 277
Restoring from backup .......................................................... 278
Cloning a database (dbed_vmclonedb) ............................................ 278
Using Database FlashSnap to clone a database ........................... 279
Shutting down the clone database and unmounting file
systems ........................................................................ 284
Restarting a clone database .................................................... 285
Recreating Oracle tempfiles ................................................... 285
Resynchronizing your database to the snapshot ............................... 287
Resynchronizing the snapshot to your database .............................. 290
Removing a snapshot volume ....................................................... 292
Using Database FlashSnap in an HA environment ............................ 292
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