ADSM-L

[ADSM-L] TSM FastBack with oracle database question

2009-06-30 08:27:10
Subject: [ADSM-L] TSM FastBack with oracle database question
From: Wira Chinwong <wira AT SCSI.CO DOT TH>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Tue, 30 Jun 2009 19:25:32 +0700
Hi all,
   I have found the TSM fastback information in the help online about
oracle database backup. I confused the concept of oracle consistency. In
the help info, it show the guideline like below. It look like oracle
database will not in consistency mode before snapshot. In my opinion I
think the database should be switched back to normal mode after snapshot
beginning. That mean it should be done by using post-snapshot instead of
pre-snapshot. Any idea please suggest.

-----------------------
General guidelines
In order to perform consistent application-aware snapshots, the
following steps must be performed:

1.Oracle databases should be notified and switched to work in backup
mode (this operation results in database consistency), by implementing
the pre consistency process described below. 
2. Once a snapshot is initiated, Oracle databases should be switched
back to normal mode, using the pre snapshot process described. 
3. After the snapshot ends, create and use a post snapshot process to
delete all Archived Redo logs of the backed up database




Best Regards,
 
Wira Chinwong
Engineering Department Manager
 
SCSi Co., Ltd.   
719 KPN Tower Bldg., 11th Floor, Rama 9 Rd., 
Huaykwang, Bangkapi, Bangkok 10310 
Tel 02-7171066-7  Fax 0-27171068
Mobile: 086-3204115
E-mail: wira AT scsi.co DOT th

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