VNX: Unable to expand LUN from VMWare, but able to do so from storage array. (customer viewable).
Summary: Customer has VASA enabled/configured, but unable to expand LUN from VSphere. We were able to expand the LUN from within Unisphere.
This article applies to
This article does not apply to
This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
Customer has VASA enabled/configured, but unable to expand LUN from VSphere, However, we were able to expand the LUN from within Unisphere. We also had verified that VASA was enabled/configured.
Cause
Customer had a host side snapshot (VMWare) that was preventing the expansion on VMWare end.
Resolution
Remove hostside (VMWare) snapshot.
Affected Products
Dell EMC Unity, VNX/VNXeArticle Properties
Article Number: 000184890
Article Type: Solution
Last Modified: 07 Nov 2025
Version: 5
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.