Can you vMotion with RDM?
Can you vMotion with RDM?
Notes: Storage vMotion of virtual machines using virtual compatibility mode RDMs is supported. However, clustered applications or clustered virtual machine configurations do not support Storage vMotion.
What is mapped raw LUN in ESX?
Introduced with ESX Server 2.5, raw device mapping allows a special file in a VMFS volume to act as a proxy for a raw device. The mapping file contains metadata used to manage and redirect disk accesses to the physical device.
How do I map a raw disk to a virtual machine?
When you have created the RDM pointer file, attach the RDM to a virtual machine using the vSphere Client:
- Right click the virtual machine you want to add an RDM disk to.
- Click Edit Settings.
- Click Add.
- Select Hard Disk.
- Select Use an existing virtual disk.
Can we convert RDM to VMDK?
To convert RDM to VMDK, You can use the Advanced option in Storage vMotion ->Change the disk format as “Thin or Thick” from the disk format drop down for the RDM disk, select the destination datastore and proceed with the storage vMotion. Once storage vMotion is completed, virtual RDM disk will be converted to VMDK.
Can we clone the VM with RDM?
VM snapshot functionality is available to RDM used in virtual compatibility mode. Irrespective of the compatibility mode, an RDM disk is a volume on the FlashArray. Therefore the steps for cloning a VM are the same for both modes.
How do you know if RDM is virtual or physical?
To identify RDMs using the vSphere Client:
- Determine which RDM LUNs are part of an MSCS cluster.
- Edit your virtual machine settings and navigate to your Mapped RAW LUNs.
- In the Physical, there is the specification of the device in use as RDM (that is, the vml ID).
What is raw disk mapping in VMware?
Raw device mapping (RDM) enables disk access in a virtual machine (VM) in the VMware server virtualization environment and allows a storage logical unit number (LUN) to be connected directly to a VM from the storage area network (SAN).
What is the difference between physical and virtual RDM?
Virtual compatibility mode allows an RDM to act exactly like a virtual disk file, including the use of snapshots. Physical compatibility mode allows direct access of the SCSI device for those applications that need lower level control.
How do I know if my disk is RDM?
What is raw device mapping in VMware?
What is raw device mapping (RDM)? Raw device mapping (RDM) enables disk access in a virtual machine (VM) in the VMware server virtualization environment and allows a storage logical unit number (LUN) to be connected directly to a VM from the storage area network (SAN).
What is raw device mapping RDM?
What is physical RDM and virtual RDM?
RDM is basically a Mapping file acts as a proxy for a raw physical storage device placed in a VMFS volume. Virtual Machine can directly access the storage device using RDM and RDM contains metadata which controls the disk access to the physical device.
What is RDM used for?
https://www.youtube.com/watch?v=uzCqc8XD5fI
