3-20 Windows Setup and OperationReplacing Failed Hard Disk DrivesThe following describes how to locate and replace the failed hard disk. The failed hard diskshould be replaced with the server powered on.How to Locate Failed Disks1. From [Start], select [All Programs], [RDR] and click [RDR Utility] to start RDR Utility.2. From the tree on the left pane of [RDR Utility], select each disk and check the values of[MTBF: Current] and [MTBF:NumberOfFaults] in the right pane.TIPS:For RDR Utility, see “About RDR Utility” on page 3-3.[Description of each MTBF value]Property name Description Normal value*MTBF: HardCurrent Mean time between hardware failures. UnknownMTBF: SoftCurrent Mean time between software failures. Unknown* The normal value denotes the value of when no error has occurred.If either of the values is different from the normal value, the disk has an error.Procedures to Replace Failed DisksThis section describes a procedure for replacing a disk when a failure occurs to a disk that isduplicated by the RDR function.IMPORTANT:The display of RDR Utility is not updated automatically. Therefore, update it every time youcheck the status of disks by clicking [Refresh] from [Action] on the menu or pressing F5. Do notupdate RDR Utility frequently immediately after inserting a disk.Here, an example that a failure of the disk in slot 2 of the PCI module 0 is determined as describedin “How to Locate Failed Disks” is explained.1. From [Start], click [All Programs], point to [RDR], and select [RDR Utility] to start RDRUtility.2. Remove the disk in the slot 2 of the PCI module 0.3. Insert a new disk to the slot 2 of the PCI module 0.RDR is automatically set to the inserted disk and synchronization starts.
