########## Prepare for backup ########################## #######
*********** Create a directory for storing archiving logs and backups ****************
[Root @ Yan ~] # Su-db2inst1
[Db2inst1 @ Yan ~] $ Mkdir archivelog
[Db2inst1 @ Yan ~] $ Mkdir log
[Db2inst1 @ Yan ~] $ Mkdir backup ************ create a test database and test table ******************** *******
DB2 => Create dB Yan
DB2 => connect to Yan
DB2 => Create Table Test (ID int, name varchar (20), password varchar (20 ))
DB2 => insert into test values (1, 'zhu', 'any ') ************************* *************
DB2 => Update dB CFG for Yan using export logpath/home/db2inst1/archivelog -- enable mirror logdb2 => Update dB CFG for Yan using userexit on -- enable user export DB2 => Update dB cfg for Yan using logretain on -- enable archive log DB2 => Update dB CFG for Yan using trackmod on -- enable Incremental backup function DB2 => Backup dB Yan to/home/db2inst1/backup database suspended, you must back up the database once. Otherwise, backup successful cannot be used. the timestamp for this backup image is: 20090807082 755 ############### start backup and restoration #################### ########## ****************** cold backup and restoration ********** * ******************** DB2 => Backup dB Yan to/home/db2inst1/backupbackup successful. the timestamp for this backup image is: 20090807083306db2 => insert into test values (2, 'hui', 'hui') [db2inst1 @ Yan ~] $ CP archivelog/node0000/* log -- copy the archive log to DB2 => drop dB Yan -- manually delete the database, simulate disaster recovery DB2 => restore dB Yan from/home/db2inst1/backup taken at 20090807083306 -- restore the database
Db20000i the Restore database command completed successfully. DB2 => rollforward dB Yan to end of logs and complete overflow Log Path (/home/db2inst1/log) -- roll forward log rollforward STATUS input database alias = Yan
Number of nodes have returned status = 1 node number = 0
Rollforward status = not pending
Next log file to be read =
Log files processed = s0000000.log-s0000000.log
Last committed transaction = 2009-07-7-12.34.41.000000 utcdb20000i the rollforward command completed successfully. DB2 => select * from test -- all data in the test table can be found to prove that ******************** hot backup and restoration ** * ***************************** DB2 => insert into test values (3, 'java', 'db') -- insert test data DB2 => Backup dB Yan online to/home/db2inst1/backup -- Hot Backup successful. the timestamp for this backup image is: 20090807084 334 DB2 => insert into test values (4, 'db2 ', 'jsp') -- insert test data [db2inst1 @ Yan ~] $ CP-RF archivelog/node0000/* log -- copy the log DB2 => drop dB Yan -- manually delete the database and simulate disaster recovery
Db20000i the drop database Command completed successfully. DB2 => restore dB Yan from/home/db2inst1/backup taken at 20090807084334 -- restore the database
Db20000i the Restore database command completed successfully. DB2 => rollforward dB Yan to end of logs and complete overflow Log Path (/home/db2inst1/log) -- roll forward log rollforward STATUS input database alias = Yan
Number of nodes have returned status = 1 node number = 0
Rollforward status = not pending
Next log file to be read =
Log files processed = s0000002.log-s0000002.log
Last committed transaction = 2009-07-7-12.43.35.000000 utcdb20000i the rollforward command completed successfully. DB2 => select * from test -- check that all test data has been successfully verified. **************** Incremental backup and restoration **** * ************************** DB2 => insert into test values (5, 'oracle ', 'mysql') -- insert test data DB2 => Backup dB Yan Online Incremental to/home/db2inst1/backup -- backup database backup successful. the timestamp for this backup image is : 20090807085501 [db2inst1 @ Yan ~] $ CP-RF archivelog/node0000/* log -- copy the log DB2 => drop dB Yan -- manually delete the database and simulate disaster recovery
Db20000i the drop database Command completed successfully. DB2 => restore dB Yan incremental automation from/home/db2inst1/backup taken at 20090807085501
Db20000i the Restore database command completed successfully. -- Restore database DB2 => rollforward dB Yan to end of logs and complete overflow Log Path (/home/db2inst1/log) rollforward STATUS input database alias = Yan
Number of nodes have returned status = 1 node number = 0
Rollforward status = not pending
Next log file to be read =
Log files processed = s0000004.log-s0000004.log
Last committed transaction = 2009-07-7-12.55.01.000000 utcdb20000i the rollforward command completed successfully. DB2 => select * from test -- all the test data has been verified.
