Loading...

DB2 Command Line Example: Restoring to the Same Instance on a Different Host

Perform a restore to the same instance on a new host computer.

Procedure

The name of the source database is source and that the name of the target database is target.

Note: The backup image timestamp is 14 characters. It has the following format:

yyyymmddhhmmss

  • yyyy - the year
  • mm - the 2 digit month representation  (01-12)
  • dd - the day
  • hh - the hour in 24-hour clock format (00-23)
  • mm - the minute (0-59)
  • ss - the second (0-59)
  1. On the destination, update the DB2 database configuration parameters LOGARCHOPT1, VENDOROPT. Set the CvSrcDbName parameter to the source database name.

    db2 update db cfg for target using LOGARCHOPT1 "'CvSrcDbName=source_database_name,CvClientName=client_name,CvInstanceName=Instance001'"

    db2 update db cfg for target using VENDOROPT "'CvSrcDbName=source_database_name,CvClientName=client_name,CvInstanceName=Instance001'"

  2. At the Command Prompt, type the following command, substituting the backup_image_timestamp parameter.

    For non-automatic storage database:

    db2 restore db source load /opt/commvault/Base/libDb2Sbt.so taken at <backup_image_timestamp> into target WITHOUT PROMPTING

    For an automatic storage database:

    db2 restore db source load /opt/commvault/Base/libDb2Sbt.so taken at <backup_image_timestamp> on <Database-Storage-Path-Location> into target WITHOUT PROMPTING

    The Database-Storage-Path-Location parameter redefines the storage paths that you associate with an automatic storage database.

    The following rules apply to the parameter:

    1. You must specify an absolute path name.
    2. The path that you specify must locally exist.
    3. You can specify multiply path names. Separate each path name with a comma.

    The existing storage paths that are defined in the backup image are no longer used. Automatic storage tablespaces are automatically redirected to the new paths.

    If you don not specify the Database-Storage-Path-Location parameter for an automatic storage database, then the storage paths are the ones that you defined in the backup image.

  3. Set the tablespace containers for non-automatic tablespaces.

    Note: The file path is the place where the tablespace data is restored. It must be an absolute file path or relative to the database directory. The maximum file path is 254 characters.

    db2 set tablespace containers for <tablespace_id> using <file_path> <number_of_pages>

    Example

    db2 set tablespace containers for 3 using file 'E:\DB2_0 3\NODE0000\DBNOAU2\userspace2_01.dbf' 2000

  4. Run the following command to continue the restore operation.

    db2 restore db source CONTINUE

  5. On the destination, update the DB2 database configuration parameters LOGARCHOPT1, VENDOROPT because the source database overwrites these parameters after a restore. Set the CvSrcDbName parameter to the source database name.

    db2 update db cfg for target using LOGARCHOPT1 "'CvSrcDbName=source_database_name,CvClientName=clent_name,CvInstanceName=Instance001'"

    db2 update db cfg for target using VENDOROPT "'CvSrcDbName=source_database_name,CvClientName=client_name,CvInstanceName=Instance001'"

  6. Roll forward the DB2 database.

    db2 rollforward db target to end of logs and stop

  7. The destination is configured for a cross machine restore. You must update the destination configuration to remove the cross-machine restore parameters (CvSrcDbName, CvSrcInstanceName, and CvClientName).

Last modified: 7/10/2018 2:54:51 PM