RE: Getting started with RMAN

From: Michael Dinh <mdinh_at_XIFIN.Com>
Date: Tue, 4 May 2010 14:55:19 -0700
Message-ID: <D29F9902E534D5478F2E83FD6A44B306597C83F1_at_mail02.mba.xifin.com>



Here's a shell script that I have used and have had to recover tablespace a few times because of crashed drives.

I elected to receive email on successful backup because at one time, the mail daemon was dead and no mail was coming through.

This serves as a test that email is still working.

This validates a restore can be performed from backup - restore database validate;

You may have to modify script a little to source the environment - oraenv

#!/bin/sh -x

DN=`dirname $0`
BN=`basename $0`
SID=${1:?"---> USAGE: $DN/$BN <ORACLE_SID>"}

ORATAB=/var/opt/oracle/oratab
NLS_DATE_FORMAT="DD-MON-YYYY HH24:MI:SS" NLS_LANG="AMERICAN_AMERICA.UTF8"
export ORATAB NLS_DATE_FORMAT NLS_LANG

ORACLE_SID=$1
ORACLE_HOME=`grep ${ORACLE_SID} $ORATAB|awk -F: '{print $2}'` export ORACLE_SID ORACLE_HOME

day=`date '+%a'`
OUTF=/backup/log/$day.$ORACLE_SID.$BN.log RMAN=$ORACLE_HOME/bin/rman
$RMAN msglog $OUTF > /dev/null << END
  connect target;
  configure controlfile autobackup format for device type disk to '/oracle_backup/${ORACLE_SID}/${ORACLE_SID}_%F.bck';   configure channel device type disk maxopenfiles=8;   backup as compressed backupset
  check logical database
  tag="dbf"
  filesperset 8
  format '/oracle_backup/${ORACLE_SID}/dbf_%d_%T_%U'   plus archivelog delete input
  filesperset 16
  tag="arc"
  format '/oracle_backup/${ORACLE_SID}/arc_%d_%T_%U';   crosscheck archivelog all;
  crosscheck backup;
  delete noprompt obsolete;
  delete noprompt expired archivelog all;   delete noprompt expired backup;
  list backup;
  restore database validate;
  exit
END
if [ `egrep -ic 'RMAN-|error|fail' $OUTF` != 0 ]; then   mailx -s "FAILED: $BN $ORACLE_SID" dba_at_email.com < $OUTF else
  mailx -s "COMPLETED: $BN $ORACLE_SID" dba_at_email.com < /dev/null fi
exit

Michael Dinh : XIFIN  

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-----Original Message-----

From: oracle-l-bounce_at_freelists.org [mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Janine Sisk Sent: Tuesday, May 04, 2010 2:41 PM
To: oracle-l L
Subject: Getting started with RMAN

Most of the feedback on my archive log deletion question (thank you for all the answers!) focused on making sure that your last backup is good before deleting any log files. This makes perfect sense, but I would rather not write that script if I don't have to (define "backup is good" for all cases :). The second most common piece of advice was to let RMAN do it as part of the process of backing up.

I just took a quick look at Oracle's Backup and Recovery doc to see what I would be getting myself into in using RMAN. Since this is an Amazon EC2 instance, there's no tape drive and my only choice is to back up to "disk" (really an EBS volume created for this purpose).

From a quick scan, this doc looks like most technical docs, which is to say it tells you all about what you can do, but not what you should do. I don't want to read this entire thing from end to end and then figure out the best strategy; I'm sure someone else (or quite a few someone elses) have already done that.

So... what's your favorite book/website/other resource on configuring RMAN for the first time?

Thanks in advance,

janine

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http://www.freelists.org/webpage/oracle-l Received on Tue May 04 2010 - 16:55:19 CDT

Original text of this message