3Ware 9550SXU-16ML User Guide - Page 157

Changing An Existing Configuration Expanding unit capacity can be accomplished while the unit is online, without experiencing any data loss. This process is also referred to as Online Capacity Expansion (OCE). To expand a unit's capacity 1 In 3DM 2, choose Management > Maintenance. 2 In the Unit Maintenance table on the Maintenace Page, select the unit you wish to expand by checking the box next to the Unit ID. 3 Click the Migrate Unit button. The Migrate dialog box appears, listing the drives which can be added to the unit. 4 Select the drives(s) you wish to add to the unit by checking the Port ID box next to each one. 5 If desired or necessary, select the appropriate RAID level. 6 Click OK. The Maintenance page updates to show the newly reconfigured unit. The Status column title indicates that Migration is in progress. 7 If you booted from the unit that is being migrated, when migration is complete, reboot your system. Then turn to Step 4 under "Informing the Operating System of Changed Configuration" on page 147. 8 Inform the operating system of the change, as described below. Note: You can also perform these steps using the CLI. For more information, see the 3ware 9000 Series Serial ATA RAID Controller CLI Guide. Informing the Operating System of Changed Configuration After you change the configuration of a unit, you must inform the operating system of the change, and you may need to re-partition the unit. Resizing the file system to match the new partition size is not automatic. It may be necessary to expand or contract the file-system using tools specific to your operating system. In addition, in order to use the new capacity, you need to either resize the existing partition or add a new partition. www.3ware.com 147