Replacing A Failed Disk In Windows Disk Management - NEC Express5800/320Ma Administrator's Manual

Verify that the system does not have a problem that is causing the mirror to break on
an internal or external disk. Ensure that the disk is securely seated in the drive and that
it has power. Perform the following procedures to recover the disk.
To recover an RDR disk
1. Logically and then physically
2. Replace the defective disk and
In the unlikely event of a system failure resulting from disk failures, restore the system
by performing one of the following procedures, as appropriate:
•
Restore the system by using a backup system disk. See the discussion of creating
spare bootable hard disks in the Express5800/320Ma: Software Installation and
Configuration Guide for information.
•
Reload Express5800/320Ma System software, as described in the
Express5800/320Ma: Software Installation and Configuration Guide.
To recover a disk in Windows Disk Management
1. Go to Windows Disk Management in Computer Management.
2. Right-click the disk icon corresponding to the disk that has the Offline, Missing, or
Online (Errors) status, and in the option menu, click Reactivate Disk.
3. After the mirror regenerates (this may take several minutes), verify that the status
of the disk has returned to Healthy.
!
If the recovery procedures fail to reactivate the disk, or if the status does not return to
Healthy, you must physically

Replacing a Failed Disk in Windows Disk Management

You can replace a failed disk with an uninitialized disk
written on it). This is the quickest and easiest option. If your only spare disk is initialized
(it has a signature written on it), you can
N O T E
Disregard any "Unsafe Removal of Device" messages that
appear when you remove an internal physical disk from
the enclosure.
C A U T I O N
If a disk continues to have the status of Online (Errors),
replace it as soon as possible.
replace the failed
remove the physical disk
make the disk an RDR
disk.
replace the failed disk with an initialized
from the RDR virtual disk.
disk.
(a disk that has no signature
Troubleshooting
Hard Disks
disk.
5-3