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Partitioning an Existing Logical Drive or Logical Volume/Creating a Partition

NOTE: Before you can create a partition, you must unmap all assigned LUNs.

  1. Select the array that contains the logical drive(s) you want to partition.
  2. View the logical drives or logical volumes you want to create partitions on.
  3. If any of these logical drives or logical volumes have host LUN assignments, proceed to Step 4; if they do not, proceed to Step 8.
  4. Choose Configuration > Custom Configuration.
  5. Select Change Host LUN Assignments.
  6. Select the Host LUN(s) that are attached to the logical drives or logical volumes you want to partition, and click Unmap Host LUN.
  7. Click OK, and then click Close.
  8. Choose Configuration > Custom Configure.

  9. Select Manage Existing LDs/LVs and Partitions from the Custom Configuration Options window.
  10. Select the Partitions tab.
  11. Select a logical drive or logical volume you want to partition.
  12. Specify the Partition Size in Mbyte, and click Create.
  13. To create multiple partitions of the same size, click Add Partition as many times as partitions you want to create. You can also type the partition size in the Part Size field and multiply (*) it by the number of partitions you want to create, for example 100*128. Any remaining Mbyte is added to the last partition.

    As you add partitions, the remaining capacity displayed in Available Size (MB) decreases by the amount of the partition size.

  14. To change the size of a partition you have already created, select the logical drive or logical volume, and click Modify Size.
  15. Specify the new size (in Mbyte) in the Partition Size field, and click OK.
  16. Click OK in the Confirm Configuration Operation to complete the operation, and click Close.

    After a logical drive or logical volume has been partitioned, when you open a logical drive or logical volume on the main window, the partitions are displayed.

  17. (HP-UX OS only). To ensure that the environment is stable and accurate after making configuration changes, you must run the ioscan -fnC disk command.

    NOTE: If you used System Administrator Manager (SAM) to unmount the file system, make sure it is closed before running the ioscan command.

  18. (IBM AIX OS only). To ensure that the environment is stable and accurate after making configuration changes, you must update the Object Data Manager (ODM) as explained in Updating the Object Data Manager on an IBM AIX host.

The Logical Drive/Logical Volume Number

For important information regarding the logical drive number displayed in the LD field in the Manage Existing LDs/LVs and Partitions window, see The Logical Drive/Logical Volume Number.

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