PowerFlex Performance When Cloning VM Guests Is Not As Expected

Summary: When a vMotion clone of a VM guest is submitted, it takes a lot longer than expected. Scenario Due to an environmental configuration issue, there was contention on the vMotion configured NICs that conflicted with iSCSI and VxFlex SDC traffic, causing reduced performance. ...

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.
Check out other resources

Symptoms

vMotion takes longer than expected. 

Impact

Reduced throughput on vMotion and cloning  

Cause

vMotion (which is used for cloning) was using the same two vmnics that all clients, iSCSI, and SIO data traffic used, causing conflicts and degraded performance.

Resolution

Workaround

Reconfigure the iSCSI environment to use different vmnics as data paths.

Impacted Versions

Any

Fixed In Version

N/A - Environmental issue

Affected Products

PowerFlex rack, ScaleIO
Article Properties
Article Number: 000203240
Article Type: Solution
Last Modified: 15 أيار 2026
Version:  5
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.