3-46Storage ManagerRebuilding a Degraded ArrayWhen a drive in an array fails, and that drive is not protected by anautomatic hot spare, the array can be restored to Optimal status.Note: You can select Rebuild even if the failed drive has notbeen replaced and try using the drive again. If the rebuildattempt is not successful, replace the drive before startinganother rebuild.To rebuild an array, follow these steps:1 Replace the failed drive according to the procedure in yourhardware documentation.2 After the failed drive has been replaced, selectLogical Configuration View in Storage Manager.3 Double-click the array group icon to open the Array GroupInformation window.4 Click Rebuild in the Array Group Information window to startthe rebuild process.The drive displays a white flag to indicate that a rebuild operation isin process. The array and LSU icons display yellow flags. Thepercentage completion of the rebuild operation is displayed in theArray Group Information window. When the rebuild is successfullycompleted, the flags disappear and the array status returns toOptimal.Note: SCSI only—In a RAIDstation storage cabinet, driveshave hot swap (SCA-2) connectors so that failed drives canbe removed or replaced without software intervention. TheRAIDstation subsystem detects that a failed drive has beenphysically replaced and the controller automatically starts arebuild operation.
