ResultsAfter you replace a failed hard disk drive, the green activity LED flashes as thedisk spins up. The yellow LED turns off after approximately 1 minute. If the newdrive starts to rebuild, the yellow LED flashes slowly, and the green activity LEDremains lit during the rebuild process. If the yellow LED remains lit, see “Harddisk drive problems” on page 133.Note: You might have to reconfigure the disk arrays after you install hard diskdrives. See the RAID documentation on the IBM ServeRAID Support CD forinformation about RAID controllers.Rotating the hot-swap rear hard disk drive cage upUse this information to rotate the hot-swap rear hard disk drive cage up.About this taskTo rotate the hot-swap hard disk drive cage up, complete the following steps.Procedure1. Read the safety information that begins on page “Safety” on page vii and“Installation guidelines” on page 32.2. Turn off the server (see “Turning off the server” on page 22) and all attachedperipheral devices. Disconnect all power cords; then, disconnect all externalcables as necessary to replace the device.3. Remove the server top cover (see “Removing the server top cover” on page 2584. Open the two respective blue latches on the chassis▌1▐ .5. Slowly rotate the rear hard disk drive cage outwards until it stops ▌2▐.6. Shift the switch on the rear hard disk drive cage to the lock position to keepthe hard disk drive cage fixed ▌3▐.Figure 79. Hot-swap rear hard disk drive cage168 System x3650 M4 BD Type 5466: Installation and Service Guide