How to extend the partition of a cluster shared disk on WSFC

Check that the disk capacity has been expanded.

PS C:\Users\hypervadmin.SJ> Get-Disk

Number Friendly Name Serial Number HealthStatus OperationalStatus Total Size Partition
Style
------ ------------- ------------- ------------ ----------------- ---------- ----------
0 VMware Vir... 6000c29d9547c048baca75c596d05f14 Healthy Online 90 GB GPT
2 MSFT Virtu... 40271301-BEE2-4852-8AA9-6D473... Healthy Online 51 GB GPT
3 MSFT Virtu... 92844058-3574-485D-8D0D-672E4... Healthy Online 99.85 GB GPT
1 MSFT Virtu... A1702DA2-7C96-411A-8634-5C829... Healthy Online 2 GB GPT

Using powershell to extend volume.

PS C:\Users\hypervadmin.SJ> Get-Partition -DiskNumber 2


DiskPath: \\?\Disk{19d84f35-d0f7-4f58-481c-8326781cdb4c}

PartitionNumber DriveLetter Offset Size Type
--------------- ----------- ------ ---- ----
1 1048576 50 GB Basic

PS C:\Users\hypervadmin.SJ> $size = (Get-PartitionSupportedSize -DiskNumber 2 -PartitionNumber 1)
PS C:\Users\hypervadmin.SJ> Resize-Partition -DiskNumber 2 -PartitionNumber 1 -Size $size.SizeMax
PS C:\Users\hypervadmin.SJ> Get-Partition -DiskNumber 2


DiskPath: \\?\Disk{19d84f35-d0f7-4f58-481c-8326781cdb4c}

PartitionNumber DriveLetter Offset Size Type
--------------- ----------- ------ ---- ----
1 1048576 51 GB Basic

Using diskpart to extend volume.

DISKPART> list vol

Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
Volume 0 D DVD-ROM 0 B No Media
Volume 1 C NTFS Partition 89 GB Healthy Boot
Volume 2 FAT32 Partition 100 MB Healthy System
Volume 3 NTFS Partition 725 MB Healthy Hidden
Volume 4 Q quorum NTFS Partition 2047 MB Healthy
Volume 5 data01 CSVFS Partition 49 GB Healthy
C:\ClusterStorage\Volume2\
Volume 6 data02 CSVFS Partition 99 GB Healthy
C:\ClusterStorage\Volume1\

DISKPART> sel vol 5

Volume 5 is the selected volume.

DISKPART> extend

DiskPart successfully extended the volume.

DISKPART> list vol

Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
Volume 0 D DVD-ROM 0 B No Media
Volume 1 C NTFS Partition 89 GB Healthy Boot
Volume 2 FAT32 Partition 100 MB Healthy System
Volume 3 NTFS Partition 725 MB Healthy Hidden
Volume 4 Q quorum NTFS Partition 2047 MB Healthy
* Volume 5 data01 CSVFS Partition 50 GB Healthy
C:\ClusterStorage\Volume2\
Volume 6 data02 CSVFS Partition 99 GB Healthy
C:\ClusterStorage\Volume1\

Reference

Resize-Partition
extend
How to extend the partition of a cluster shared disk