Appendix B. Legacy ACSLS Data Migration and Coexistence

Note: For the latest information concerning migration and coexistence, see the

Tivoli Storage Manager README.

If your environment consists of Tivoli Storage Manager storage pools associated with an ACSLS library type and an ECARTRIDGE device type, the library can be updated with the SHARED=YES option to enable LAN-free data movement.

If your environment consists of Tivoli Storage Manager storage pools associated with an ACSLS library type and a GENERICTAPE device type, data migration is required rather than coexistence because Tivoli Storage Manager ACSLS shared library support cannot co-exist with external library support. See the Configuring Storage Deviceschapter in the Administrator’s Guide for detailed information on how to migrate from an external library environment to a shared ACSLS library environment.

Data Migration

Data migration of ACSLS to external library support is necessary only when Tivoli Storage Manager ACSLS shared library support is not possible in your configuration. The only situation where ACSLS shared library support is not possible is when your environment does not contain a Tivoli Storage Manager server installed on AIX, Solaris, or Windows to serve as the library manager. Migrate the existing data from existing (old) storage pools to new storage pools associated with the appropriate policy, device class, and library definitions. Migration of data also allows the entire environment to be LAN-free, providing better performance and better utilization of tape drives and media.

Figure 10 on page 52 displays the normal migration path from an old storage pool containing the data associated with the ACSLS library type to a new storage pool associated with an EXTERNAL library type and an ECARTRIDGE device class.

© Copyright IBM Corp. 2000, 2007

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IBM SC32-0129-00 manual Appendix B. Legacy Acsls Data Migration and Coexistence

SC32-0129-00 specifications

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