Use this option to increase the storage capacity of an existing FlashCopy repository logical drive. Typically, this option is used when a warning is received that the FlashCopy repository logical drive is in danger of becoming full.
An increase in storage capacity may be achieved by:
Using free capacity available on the array of the FlashCopy repository logical drive.
Adding unconfigured capacity (in the form of unused drives) to the array of the FlashCopy repository logical drive. Use this option when no free capacity exists on the array.
Important: A maximum of two drives may be added at one time to increase FlashCopy repository logical drive capacity.
A FlashCopy repository logical drives storage capacity cannot be increased if:
One or more hot spare drives are in use in the logical drive
The logical drive has a Non-Optimal status
Any logical drive in the array is in any state of modification
The controller that owns this logical drive is in the process of adding capacity to another logical drive (each controller can add capacity to only one logical drive at a time).
No free capacity exists in the array
No unconfigured capacity (in the form of drives) is available to add to the array
Procedure
1
Highlight a FlashCopy repository logical drive in the Logical View of the Subsystem Management Window. Then, select either the Logical Drive >> Increase Capacity pull-down menu option, or Increase Capacity from the right-mouse pop-up menu.
Important: If no free capacity or unconfigured capacity is available, the Increase Capacity option is not available.
Result: The Increase Repository Capacity dialog is displayed. The FlashCopy repository logical drive name, the associated FlashCopy logical drive name, the associated base logical drive name, current capacity, and amount of free capacity available for the selected repository are displayed. If free capacity is available, the maximum free space is shown in the Increase capacity by spinner box.
If there is no free capacity on the array, the free space that is shown in the Increase capacity by spinner box is 0. Drives must be added to create free capacity on the array of the standard logical drive.
2
Use one of the following methods to increase capacity:
To do this ...
Follow these steps ...
Increase FlashCopy repository logical drive capacity using free capacity on the array of the FlashCopy repository logical drive
1
Accept the final capacity increase or use the Increase capacity by spinner box to adjust the capacity.
2
Select OK.
Result: A confirmation dialog is displayed.
3
Type Yes and select OK to continue.
Result: The Logical View is updated. The FlashCopy repository logical drive having its capacity increased shows a status of Operation in Progress , together with its original capacity and the total capacity being added.
In addition, the Free Capacity node involved shows a reduction in capacity. If all of the free capacity is used to increase the logical drives size, then the Free Capacity node involved will be removed from the Logical View.
Increase FlashCopy repository logical drive capacity by adding unconfigured capacity (drives) to the array of the FlashCopy repository logical drive
1
If no unassigned drives are available and empty slots in the drive enclosures are available, insert new drives. For more information, refer to your Drive Enclosure User Guide.
If no unassigned drives are available, and there are no empty slots available in the drive enclosures, install another drive enclosure and additional drives. For more information, refer to your Controller Enclosure, Drive Enclosure, and Storage System Installation Guide.
2
Select Add Drives.
Result: The Increase Repository Capacity - Add Free Capacity dialog is displayed. Enclosure, slot, and usable capacity details for the available free drives are displayed.
Note: The drives displayed will have a capacity that is either the same size, or larger than the capacity of the drives already being utilized by the array.
3
Select a single drive, or two drives to be added:
Press CTRL + click to select nonadjacent drives.
Press Shift + click to select adjacent drives.
4
Select Add.
Result: The Add Free Capacity dialog is closed. Check the Drives to add [enclosure, slot] area to ensure the correct drives have been added.
5
Accept the final capacity or use the Increase capacity by spinner box to adjust the capacity.
6
Select OK.
Result: A confirmation dialog is displayed.
7
Type Yes to confirm the operation, and select OK to continue.
Result: The Logical View is updated. The FlashCopy repository logical drive having its capacity increased shows a status of Operation in Progress , together with its original capacity and the total capacity being added. In addition, the Free Capacity node involved in the increase shows a reduction in capacity.
If all of the free capacity is used to increase the logical drives size, then the Free Capacity node involved will be removed from the Logical View.
If a Free Capacity node did not exist prior to the addition of capacity and not all of the capacity that is added will be used to increase the FlashCopy repository logical drives capacity, a new Free Capacity node is created and displayed in the Logical View.
Unassigned drives (unconfigured capacity) added to increase the FlashCopy repository logical drives capacity will change in the Physical View to assigned drives, and become associated to the array of the FlashCopy repository logical drive.
Increase Capacity Progress
To view the progress of the increase capacity process, highlight the FlashCopy repository logical drive and select either the Logical Drive >> Properties pull-down menu, or Properties from the right-mouse pop-up menu.
Result: The FlashCopy Repository Logical Drive - Properties dialog is displayed. A progress bar at the bottom of the dialog indicates the capacity increase progress.