Example of DB2 Backup Recovery

The following CMDB is the name of the db2 database. This article has been verified by the test environment.

1. Online Database Backup

Archive not included:
Db2 backup db cmdb online to [path name]

Include archive:
Db2 backup db cmdb online to [path name] include logs

2. offline database backup

Db2 backup db cmdb to [path name]

3. Recovery from different databases (the backup source is offline backup)
Db2 "restore db cmdb from [path name] replace existing without rolling forward"
4. Recovery from different databases (the backup source is online backup)

Use on PATH redirect to relocate the tablespace PATH:
Db2 "restore db cmdb from [path name] on [path name] logtarget/tmp replace existing redirect"
 
View the tablespace and modify the tablespace and data files without redirection:
Db2pd-db cmdb-tablespace

Db2 "set tablespace containers for 3 using
(Path '/db2sys/db2inst1/NODE0000/CMDB/userspace2 ')"

Db2 "set tablespace containers for 5 using
(File '/db2sys/db2inst1/NODE0000/CMDB/CMSEXT001.LRG' 32736, File '/db2sys/db2inst1/NODE0000/CMDB/CMSEXT002.LRG' 32736 )"
 
Start recovery:
Db2 restore db cmdb continue

Restore archived logs:
Db2 "rollforward db cmdb to end of logs and stop overflow log path (/tmp/logs )"