SQL Cluster Offline After Physical RDM to VMDK Conversion
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SQL Cluster Offline After Physical RDM to VMDK Conversion

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Article ID: 431664

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Updated On:

Products

VMware vSphere ESX 8.x

Issue/Introduction

  • After converting physical RDM to VMDK, the disks appear visible within the Guest OS. However, the SQL cluster service cannot detect the detect the disks.

Environment

VMware vSphere 8.x

Cause

  • The converted VMDKs are on a standard (iSCSI) VMFS datastore, not a clustered VMDK datastore (supported only with FC).

  • With a standard VMFS datastore, only Cluster-in-a-Box (CIB) disk-sharing configuration (with virtual SCSI bus sharing) is supported and only for non-production workloads. 

Resolution

Migrate the cluster VMs to a clustered VMDK datastore.

or

Revert to using RDMs for disk sharing. 

 

Additional Information

Link to article: https://broadcomcms-software-agent.wolkenservicedesk.com/wolken/esd/knowledge-base-view/view-kb-article?articleNumber=431664

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