Replacing a Hard Disk DriveIf a hard disk drive is defected, the Service LED on the disk array unit lights orange. Inaddition, the Hard Disk Fault LED on the defected disk drive lights orange. Thedefected disk drive may be replaced with a new one without powering off the disk arrayunit.If the Hard Disk Fault LED on a disk drive lights, replace the disk drive immediately toavoid any loss of data due to interruption of redundancy. Perform the replacement jobas quick as possible. Do not operate the disk array unit for a long time with a disk drivebeing pulled out.Replace the defected disk drive with a disk drive having the same storage capacity andsame rotational speed.When installing more than one disk drive or moving disk drives to other slots, removetrays one by one. Do not remove two or more trays at a time. Changing the location ofdisk drives with LDNs assigned may result in data loss.Follow the procedure below to replace a hard disk drive.1. Identify the defective hard disk drive whose Hard Disk Fault LED is being lit.2. Lift the ejector of the defective disk drive to unlock the drive. A click is heard as thedisk drive is unlocked. Hold the handle and withdraw the disk drive.After unlocking the HDD tray, wait until the revolution of the installed hard disk isstopped (for about 30 seconds), and then remove the hard disk drive.Figure 4-24 Removing the Hard Disk Drive from its BayProblem Solving 4-17
