we 're currently installing virtual mssql Cluster Systems on vSphere 5.5 in CAB (Cluster across boxes) configuration
The Clusters are already installed and we used physical rdm Disk for the shared Cluster data.
The rdm's pointer files are placed in the Directory of the Clusters first node.
After some internal discussion, we plan to seperate the rdm pointer files from the first nodes vm files.
The pointer files should be moved to a seperate datastore Directory structure /ClusterDisks/<clustername1> etc
The plan is to power down all Cluster nodes, remove all the shared harddisks from the cluster node VM's, move the rdm file to a the new location and assign the disks back again from the new location to all VM's
When I opened the datastore browser I can only see the disk as vmdk (what seems to be ok), but when I try to move this file, it is converted to a real vmdk.
So my question is: Is it possbile to move the pointer file ?
I can confirm below statements:
These are just some highlights: from below blogs:
Reading below blogs can answer your query:
You can use storage vmotion to move the RDM vmdk files.
You just have to select migrate then change storage and there you click on the advanced button. When in advanced mode you can individually migrate the disk files as you want and leave the system disk where it is.
this article can be of use if you run into performance issues