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This set of backup options is typically used for databases involved in replication. In addition to making backup copies of the database file and transaction log, the transaction log at backup time is renamed to an offline log, and a new transaction log is started with the same name as the log in use at backup time.
For more information about when to use this set of backup options, see A backup scheme for databases involved in replication.
Start Sybase Central. Connect to the database as the DBA.
Right-click the database and choose Create Backup Images from the popup menu.
The Create Backup Images wizard appears.
Click Next on the introductory page of the wizard.
Select the database that you want to back up.
On the next page, enter the name of a directory to hold the backup copies, and choose whether to perform a complete backup (all database files) or an incremental backup (transaction log file only).
On the next page, select the option Rename the Transaction Log.
Click Finish to start the backup.
Use the BACKUP statement with the following clauses:
BACKUP DATABASE DIRECTORY backup-directory [ TRANSACTION LOG ONLY ] TRANSACTION LOG RENAME;
Include the TRANSACTION LOG ONLY clause only if you are making an incremental backup.
The backup copies of the transaction log and database file are placed in backup-directory. If you enter a path, it is relative to the working directory of the database server, not your client application.
From a command prompt, enter the following command. You must enter the command on a single line:
dbbackup -c "connection-string" -r [ -t ] backup-directory
Include the -t option if you are making an incremental backup.
The backup copies of the transaction log and database file are placed in backup-directory. If you enter a path, it is relative to the directory from which you run the command.
Before the online transaction log can be renamed, all outstanding transactions must terminate. If there are outstanding transactions, your backup will not complete. See Backup internals.
You can determine which connection has an outstanding transaction using the sa_conn_info system procedure. If necessary, you can disconnect the user with a DROP CONNECTION statement. See Determining which connection has an outstanding transaction.