Chapter 8. Configuring Units124 3ware Serial ATA RAID Controller User Guide3 Click the Migrate Unit button.The Migrate dialog box appears, listing the drives which can be added tothe unit.4 Select the drives(s) you wish to add to the unit by checking the Port IDbox 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. TheStatus column title indicates that Migration is in progress.7 If you booted from the unit that is being migrated, when migration iscomplete, reboot your system. Then turn to Step 4 under “Informing theOperating System of Changed Configuration” on page 124.8 Inform the operating system of the change, as described below.Informing the Operating System of ChangedConfigurationAfter you change the configuration of a unit, you must inform the operatingsystem 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. Itmay be necessary to expand the file-system using tools specific to youroperating system.In addition, in order to use the new capacity, you need to either resize theexisting partition or add a new partition.To inform the operating system that a unit has been changed1 If the unit you reconfigured is the boot unit, restart the system and skip toStep 3.If the unit you reconfigured is secondary storage, unmount the file systemfrom the unit.Under Windows, go to Start > Administrative Tools > ComputerManagement, and select Disk Management. Remove the logical driveletter for the unit.Note: This step can only be done after the system has completed the migration oronline capacity process. The operating system will not see the capacity until thatprocess is complete.
