by David Fong
We had a need to migrate a MS SQL cluster with a shared RDM disk in a VMware environment to a new storage for both the OS disks and the RDM. The two nodes on the clustered are located on different ESXi hosts. We put the database files and logs on the RDM disk other than the OS is on a VMFS datastore. It was not a very straight forward migration that involves un-mapping and re-mapping RDMs, coping the databases and all the related files, and finally migrating the OS drives.
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