Unable to migrate VM to a datastore

We have VMware vCenter 5.1. I am trying to migrate a VM to a different datastore but getting following error-

The VM has two RDM disks attached and has two SCSI Controllers-

"SCSI controller 0" - SCSI Bus Sharing is set to "None"
"SCSI controller 1" - SCSI Bus Sharing is set to "Physical"

I want to migrate only non-RDM disks to a different datastore. Can you please help me with successful datastore migration for non-RDM disks?

cbinayakAsked: 2017-03-27

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LVL 129

Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented: 2017-03-27

Power off the VM, remove the RDM, and Migrate the VMDKs.

Re-add the RDMs.

see here

https://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1005241

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cbinayakAuthor Commented: 2017-03-27

I've few queries-

1. Can't we migrate non-RDM disks without removing RDM?
2. Do I have to delete "SCSI controller 1" as well?

LVL 129

Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented: 2017-04-11

Do you require any additional help, to select and answer and close this question?

cbinayakAuthor Commented: 2017-04-12

Can you please clear my confusions -

1. Can't we migrate non-RDM disks without removing RDM disks?
2. Do I have to delete "SCSI controller 1" as well?

LVL 129

Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented: 2017-04-12

Change the mode of Bus Sharing to None or Virtual.

You will need to power off the VM to do this.

Which you select, either none or virtual, depends on how you want to share with other VMs.

None - not share with other VMs.
Virtual – shared with other VMs on the same host.