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Cisco BTS 10200 Softswitch Troubleshooting Guide, Release 5.0.x
OL-8723-19
Chapter 16 Disaster Recovery Procedures
Element Management System Database Recovery from Hot Backup
Recovery Goal
The goal in the scenario above is to recover the primary EMS Oracle database by using your most recent
backups.
In this case, since the database crashed January 10, 2002, 20:00pm, the backup file sets with timestamp
‘200201100200’ from 2:00am hot backup and those with timestamp ‘200201101800’ from 18:00 archive
log backup must be restored. Timestamp is formatted as YYYYMMDDhhmm.
If your database crashes before the archive log backup, you only need to restore the 2:00 am hot backup
file sets.
If your system does not perform extra archive log backup daily by ora_arch_backup.ksh, use backup file
sets from hot backup only.
In this sample scenario, the primary EMS database will be recovered first to resume operation. Then the
secondary EMS will be recovered using the procedures that recover data from the primary EMS.
Note
Before this recovery process is applied, it is assumed that the entire system, including all corrupted
applications, has been restored.