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The alarm on the MSCS report about the space reservation for S5500T

Publication Date:  2014-10-31 Views:  137 Downloads:  0

Issue Description

The topology is as below, for the windows 2012 r2 system, they configure it as a cluster.

On the windows system, when running the inspector, we can find the alarm as below in the report.

Validate Storage Spaces Persistent Reservation
Description: Validate that storage supports the SCSI-3 Persistent Reservation commands needed by Storage Spaces to support clustering.
Test Disk 0 does not support SCSI-3 Persistent Reservations commands needed by clustered storage pools that use the Storage Spaces subsystem. Some storage devices require specific firmware versions or settings to function properly with failover clusters. Contact your storage administrator or storage vendor for help with configuring the storage to function properly with failover clusters that use Storage Spaces.

Alarm Information


Handling Process

1. First, we have to make sure the windows OS can use the storage space alone normally.
2. After that, we have checked the compatibility with the VMware and Microsoft cluster, which is supported

Root Cause

It is a fake alarm for VMware system


After checking the article on VMware, we can ignore it according to the link below: