Partitioning a Library or Changing Partition IDs

These procedures describe how to partition an un-partitioned library or to change partition IDs on an existing partitioned library.

1. Move the cartridges before removing an SL8500 LSM or SL3000 or SL8500 cells from an ACS.

   If ACSLS manages one of the partitions in the new library configuration, follow the procedures for Creating the Volume List File or Moving Cartridges Before Removing Cells from a Partition to move the cartridges off of LSMs that will be assigned to another partition.

2. Quiesce the library before re-partitioning it, and vary the ACS(s) and port(s) offline.
3. Partition the library using the SL Console.
4. The following occurs after you press <Apply>. The library:

   • Rejects any new requests from ACSLS.

   • Drops all host connections.

   • Applies partitioning changes.

   • Accepts new host connections.

5. Reconfigure ACSLS to activate the partition changes.

   Because the library was partitioned for the first time, or it was re-partitioned and the partition ID changed, ACSLS cannot reconnect to the library. In order to reconnect, follow the procedure below:

   1. Bring down ACSLS: acsss disable.
   2. Run acsss_config to configure the ACS and select Option 8.

      Reply y (yes) when asked if the ACS is a partitioned library. After replying y (yes), enter the partition number. Refer to Setting CSI Tuning Variables for more information.

6. Start ACSLS with the new configuration: acsss enable
7. Vary the port(s) online and ACS(s) to diagnostic mode.
8. Audit the ACS(s).
9. Vary the ACS(s) online.