Diskpart can be used to extended the volume in Windows. I have listed the steps and results below on how I did it on my computer. This is with the understanding that you have already added the the new hardisk to the existing volume using the utilities that comes with your hardware. In my case I used the Dell OpenManage Server Administrator to do this first.
From the command line execute the diskpart.exe utility.
C:\>diskpart
Microsoft DiskPart version 5.2.3790.3959
Copyright (C) 1999-2001 Microsoft Corporation.
On computer: AndrewLin
The C:\> prompt will change to DISKPART>. Now enter list disk to display the physical drives installed in your server/computer.
DISKPART> list disk
Disk ### Status Size Free Dyn Gpt
——– ———- ——- ——- — —
Disk 0 Online 75 GB 53 GB
Disk 1 Online 30 GB 0 B
Select the physical hardisk which contains the partition you wish to expand.
DISKPART> select disk 0
Disk 0 is now the selected disk.
To display the partitions on physical disk 0 enter the command list part.
DISKPART> list part
Partition ### Type Size Offset
————- —————- ——- ——-
Partition 1 Primary 12 GB 32 KB
Partition 2 Extended 10 GB 12 GB
Partition 3 Logical 10 GB 12 GB
To list the volume enter the command list colume.
DISKPART> list volume
Volume ### Ltr Label Fs Type Size Status Info
———- — ———– —– ———- ——- ——— ——–
Volume 0 E DATA2 NTFS Partition 30 GB Healthy
Volume 1 C NTFS Partition 12 GB Healthy System
Volume 2 D DATA NTFS Partition 10 GB Healthy
Volume 3 F CD-ROM 0 B Healthy
Slect the volume you wish to expand.
DISKPART> select volume 2
Volume 2 is the selected volume.
Extend the volume by 30 GB.
DISKPART> extend size=30000
DiskPart successfully extended the volume.
List the volume to see if the volume size increased.
DISKPART> list volume
Volume ### Ltr Label Fs Type Size Status Info
———- — ———– —– ———- ——- ——— ——–
Volume 0 E DATA2 NTFS Partition 30 GB Healthy
Volume 1 C NTFS Partition 12 GB Healthy System
* Volume 2 D DATA NTFS Partition 39 GB Healthy
Volume 3 F CD-ROM 0 B Healthy
Exit the diskpart tool.
DISKPART>exit
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