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Hardware-RAID NAS System Software Failures
Reinstalling the operating system on a hardware-RAID NAS system does not delete the data volume; therefore, a data recovery volume, which is available on
a software-RAID NAS system, is not necessary. RAID 5 redundancy protection is provided by its ability to recover data through parity matching. Therefore, if
the operating system files are missing or corrupt, the operating system must be reinstalled. See "Recovering From a Hardware-RAID Operating System
Failure."
Replacing Hardware-RAID NAS System Hard Drives
This section provides procedures for replacing hard drives 0, 1, 2, or 3. If a single hard-drive failed, see "Replacing One Hardware-RAID NAS System Hard
Drive." If two or more hard drives failed, see "Replacing Two or More Hardware-RAID NAS System Hard Drives."
Replacing One Hardware-RAID NAS System Hard Drive
1. Remove the front bezel.
2. Remove the failed hard drive from the NAS system.
See your Installation and Troubleshooting Guide for information about removing and replacing drives.
3. Insert a new hard drive in the same location.
4. Replace the front bezel.
5. Turn on the system, if it is not already turned on.
If the NAS system was turned on when the hard drive was replaced, the RAID controller card automatically rebuilds and recovers all data to the new hard
drive. If the NAS system was turned off when the hard drive was replaced, you must manually start the rebuilding process.
To manually start the rebuilding process, perform the following steps:
1. Log in to the NAS Manager as an administrator.
See "Logging Into the NAS Manager."
2. Click the Disks tab.
3. Click Disks to manage disks.
4. When the Computer Management screen displays, click Disk Management (Dell OpenManage Array Manager) to manage disks.
Replacing Two or More Hardware-RAID NAS System Hard Drives
1. Shut down the NAS system.
See "Shutting Down the NAS System" in "NAS Manager."
2. Remove the front bezel.
3. Remove the failed hard drives from the NAS system.
NOTE: Ensure that the new hard drive is the same size as or larger than the failed drive.
NOTE: The NAS system takes approximately 5 minutes to boot completely.
NOTICE: Replacing two or more hard drives deletes all of the data on the hardware-RAID NAS system.