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How to Repair RAID-5 Volume in Windows Server 2003?

Updated on Jan 05, 2018 by Brithny to Partition Master

How to repair a failed part of RAID-5 volume under Windows Server 2003/2008? This tutorial will teach you to repair RAID-5 volume with Windows snap-in tool or with EaseUS Partition Master.

Why need repair RAID-5 Volume?

Using RAID-5 volume, you may encounter into a situation that a disk containing part of a RAID-5 volume has been disconnected and this part can't be normally used to be read and written. Usually, you just need to reconnect and reactive the disk in order to make it work well. What if the reconnection and reactivation can't work out and that part refuses to return to a healthy status?

If this happens, you need to replace the failed disk region in the RAID-5 volume and reconstruct the data for the failed part from the remaining members. There are 3 solutions that can help to repair RAID-5 volume: profession partition manager software, use Windows Disk Management or a command line.

Solution 1: Use Partition Manager Software - EaseUS Partition Master

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 Windows 10 is supported

Repairing RAID-5 volume is a part of functions provided by EaseUS Partition Master and only requires a few mouse-clicks. Besides, owning this software can make it easier and safer to resize system partitions for solving low disk space problem, merge partitions to redistribute disk space for performance optimization, recover lost partitions, copy partition/disk for data transfer or backup and resize dynamic disk for better management, and even migrate OS to HDD/SSD etc. You can know more details by clicking: How to repair RAID-5 volume in Windows Server 2003 with EaseUS Partition Master?

Repair RAID-5 volume

Solution 2: Use Disk Management to Repair RAID-5 Volume

1. Connect a new hard disk to the computer if you have no available dynamic disk for repairing, and open computer management (Local)

2. In the console tree, click Computer Management(Local) > click Storage > click Disk Management.

3. First converting the new disk into the dynamic disk and right click RAID-5 volume, click Repair Volume, and then follow the instructions on to finish the operation.

Solution 3: Use A Command Line

The physical disk must be turned on, plugged in, and attached to the computer. If not, try to reattach the physical disk.

1. Open Command Prompt and type: diskpart

At the Diskpart prompt, type list volume and use a pen to mark the volume number of the RAID-5 volume with Failed status.

2. Then type list disk and also make note of the number of the dynamic disk you want to use to repair the RAID-5 volume.

3. At the Diskpart prompt, type select volume N and then type repair disk=N

Using the list volume command, you can check the status of the RAID-5 volume while it is being regenerated. During regeneration, the volume status is Rebuild, and after regeneration, the volume status is Healthy.

Tip: To perform this procedure on a local computer, you must be a member of the Backup Operators group or Administrators group on the local computer, or you must have been delegated the appropriate authority.

There must be a dynamic disk with unallocated space that is at least as large as the region to repair.