The VM disk space is increased from the VMware end, however could not extend the storage disk size on the guest OS end

Products

• VMware vSphere ESXi

Issue/Introduction

Symptoms :

• The VM disk space is increased from the VMware end; however could not extend the storage disk size on the guest OS end
  
  VM Example : 
  
  Impacted VM Name: Test-VM
Guest OS: SUSE Linux Enterprise 15 (64-bit)
VMware Tools: Running, version: 2147483647 (Guest Managed)

Environment

VMware vSphere ESXi 7.X

VMware vSphere ESXi 8.X

Resolution

VMware disk space expansion is working as designed from the VMware side. 

Example: Test-VM VM VMware.log :

In the below example, we can notice the Test-VM.vmdk disk space has increased from 600GB to 650 GB, and the same is observed for Test-VM_9.vmdk where the disk space has increased from 800 GB to 850 GB.

[YYYY-MM-DDTHH:MM:SS] In(05) vcpu-0 - DISKLIB-LIB   : Growing disk '/vmfs/volumes/########-########/Test-VM/Test-VM_9.vmdk' : createType = vmfs
[YYYY-MM-DDTHH:MM:SS] In(05) vcpu-0 - DISKLIB-LIB   : Growing disk '/vmfs/volumes/########-########/Test-VM/Test-VM_9.vmdk' : capacity = 1677721600 sectors - 800 GB
[YYYY-MM-DDTHH:MM:SS] In(05) vcpu-0 - DISKLIB-LIB   : Growing disk '/vmfs/volumes/########-########/Test-VM/Test-VM_9.vmdk' : new capacity = 1782579200 sectors - 850 GB
[YYYY-MM-DDTHH:MM:SS] In(05) vcpu-0 - DISKLIB-LIB   : Growing disk '/vmfs/volumes/########-########/Test-VM/Test-VM.vmdk' : createType = vmfs
[YYYY-MM-DDTHH:MM:SS] In(05) vcpu-0 - DISKLIB-LIB   : Growing disk '/vmfs/volumes/########-########/Test-VM/Test-VM.vmdk' : capacity = 1258291200 sectors - 600 GB
[YYYY-MM-DDTHH:MM:SS] In(05) vcpu-0 - DISKLIB-LIB   : Growing disk '/vmfs/volumes/########-########/Test-VM/Test-VM.vmdk' : new capacity = 1363148800 sectors - 650 GB

No issue observed from the VMware side. Contact the Guest OS vendor to investigate the issue from the guest OS side.