Re: Rolling incremental backups & Compression
- From: Valentin Minzatu <valentinminzatu@xxxxxxxxx>
- To: don@xxxxxxxxx
- Date: Mon, 11 Jun 2007 14:17:55 -0700 (PDT)
As far as I know, 'BACKUP INCREMENTAL LEVEL 1 FOR RECOVER OF COPY' rolls
forward the image copy by applying the archived redo logs to the backup image -
pretty much like a physical standby - and it is not stored as a separate
backup, so you cannot compress it. You may want as a safety net to create
additional backup sets which can be compressed.
Valentin
----- Original Message ----
From: Don Seiler <don@xxxxxxxxx>
To: oracle_l <oracle-l@xxxxxxxxxxxxx>
Sent: Monday, June 11, 2007 5:00:05 PM
Subject: Rolling incremental backups & Compression
Afternoon everyone. I'm on Oracle 10.2.0.2 on RHEL3.
I'm exploring the option of using the "rolling forward image copy"
method of incremental backups with RMAN, as detailed in section 4.4.3
of of Backup and Recovery Basics guide [1].
I know that the initial backup will be an image copy, and therefore
not compressed. My question is: can the subsequent level 1
incremental backups be compressed backupsets?
[1]
http://download-east.oracle.com/docs/cd/B19306_01/backup.102/b14192/bkup004.htm
--
Don Seiler
oracle blog: http://ora.seiler.us
ultimate: http://www.mufc.us
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