Replacing Failed Hard Disk Drives; How To Locate Failed Disks - NEC Express5800 Series User Manual

Replacing Failed Hard Disk Drives

The following describes how to locate and replace the failed hard disk. The failed hard disk
should be replaced with the server powered on.

How to Locate Failed Disks

1. 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
MTBF: HardCurrent
MTBF: SoftCurrent
* 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 Disks
This section describes a procedure for replacing a disk when a failure occurs to a disk that is
duplicated by the RDR function.
IMPORTANT:
The display of RDR Utility is not updated automatically. Therefore, update it every time you
check the status of disks by clicking [Refresh] from [Action] on the menu or pressing F5. Do
not update 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 described
in "How to Locate Failed
1.
From [Start], click [All Programs], point to [RDR], and select [RDR Utility] to start RDR
Utility.
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.
Mean time between hardware failures.
Mean time between software failures.
Disks" is explained.
Windows Setup and Operation 3-19
Description Normal value*
Unknown
Unknown