HP Surestore Disk Array FC60 HP SureStore E Disk Array FC60 - (English) Advanc - Page 256

Adding Additional Disk Enclosures Adding additional disk enclosures is another way to increase the capacity of the disk array. Up to six disk enclosures can be added to a disk array. Because it requires shutting down and possibly reconfiguring the disk array, adding new disk enclosures should be done by a trained-service representative. See "Adding Disk Enclosures to Increase Capacity" on page 224 for more information on adding disk enclosures. An alternative to adding new disk enclosures is to move enclosures and their associated disks from one Disk Array FC60 to another. The LUNs on all disks in the enclosure should be unbound before moving it. See "Moving Disks from One Disk Array to Another" on page 255 for more details. Replacing Disk Modules with Higher Capacity Modules If you have no available slots for adding new disk modules, you can increase the capacity of the disk array by replacing existing disk modules with higher capacity disk modules. This is typically done on a LUN-by-LUN basis and requires backing up and restoring all data on the LUN. To increase capacity by replacing disk modules: 1. Identify the LUN impacted by the replacement of the disk modules. Make sure you replace all the disks in the LUN with the higher-capacity disks. 2. Backup all data on the LUN. 3. From the host, stop all I/O activity to the LUN unmount the file system. 4. Unbind the LUN using the management tool of your choice: - To use SAM, see "Unbinding a LUN" on page 271 - To use Array Manager 60, see "Unbinding a LUN" on page 293 - To use STM, see "Unbinding a LUN" on page 315 5. Replace the disk modules. See "Disk Enclosure Modules" on page 386 for instructions on replacing disk modules. 256 Adding Capacity to the Disk Array