Extend Server C Drive (Windows)

In this article we will discuss how to extend your Server C drive, in case you don’t have much space.

Most of Dedicated Servers comes with most of free space is assigned to D drive, and that make it difficult to extend C drive; because the end sector of C drive is the beginning of D drive.

Therefore, we need to Delete D drive in order to extend C, then re-create D drive again.

It’s very important to Back up all your Data from D drive before proceeding with extending C drive.

If your Server has Plesk Image, then you need to enable (Show hidden files), from File Explorer -> View -> Options.

From Folder Options window -> select View tab -> then select Show hidden files, folders, and drives

  • Right-Click on Windows Start menu and select Disk Management

Our Server here has RAID 1, so working with 1 Disk will affect the other Disk.

  • Remove mirror for both drives C and D
  • Right-click on drive D -> remove mirror from disk 1, then right-click again on drive D -> delete / remove volume
  • Right-click on drive C -> remove mirror from disk 1
  • At the end, you will have only partition C on Disk 0, and Disk 1 will look like 1 disk.
  • Right-click on partition C -> Extend Volume
  • Provide the amount of space to be extended for C Drive (Value is in MB)

In our example we will add another 100GB (100000 MB), so total for our C drive will be 200GB.

After extend C drive, we need to create D drive. Right-click on Unallocated space, and select New Simple Volume

Now we need to add both drives to RAID mirror, right-click on each drive, and select Add Mirror (Rebuilding Server RAID), then select Disk 1

After Resynching process is done, everything is done, and we are good to go.

Mohammed has written 29 articles

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