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Tuesday, June 26, 2007

OCR - Backups: Oracle Real Application Clusters

1. Recent Copies of OCR Backups?
acmrac2-> ocrconfig -showbackup
rac1 2007/06/26 06:33:12 /u01/app/oracle/product/10.2.0/crs_1/cdata/crs
rac1 2007/06/26 02:33:12 /u01/app/oracle/product/10.2.0/crs_1/cdata/crs
rac1 2007/06/25 22:33:11 /u01/app/oracle/product/10.2.0/crs_1/cdata/crs
rac1 2007/06/25 15:09:34 /u01/app/oracle/product/10.2.0/crs_1/cdata/crs
rac1 2007/06/17 17:56:06 /u01/app/oracle/product/10.2.0/crs_1/cdata/crs

2. You can use OCRDUMP to review the contents of the backup.
$ ocrdump -backupfile file_name # file_name is the name of the backup file.
3. What is the frequency of OCR backups automatically done by Oracle Clusteware?
Oracle Clusterware automatically creates OCR backups every 4 hours, each full day and at the end of each week.
More Info on OCR administration:
Refer Administering Oracle Clusterware components.

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