# How to add a RDM disk to VM through Open Nebula **URL:** \ **Category:** Operations\ **Created:** [December 9, 2021, 1:09pm UTC](https://forum.opennebula.io/t/how-to-add-a-rdm-disk-to-vm-through-open-nebula/10184 "2021-12-09T13:09:32Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Mamo](https://avatars.discourse-cdn.com/v4/letter/m/90ced4/32.png) [@Mamo](https://forum.opennebula.io/u/Mamo)\ **Post date:** [December 9, 2021, 1:09pm UTC](https://forum.opennebula.io/t/how-to-add-a-rdm-disk-to-vm-through-open-nebula/10184/1 "2021-12-09T13:09:32Z")
We are having a VMs which are having RDM disks attached to Windows Server 2016 VMs When ever we import a VM which has a RDM attached to Open Nebula, during reboot, the RDM is getting removed. How to add a RDM disk to VM through Open Nebula ? Please help!!! ---
**Author:** ![cgonzalez](https://yyz1.discourse-cdn.com/flex031/user_avatar/forum.opennebula.io/cgonzalez/32/7096_2.png) [@cgonzalez](https://forum.opennebula.io/u/cgonzalez)\ **Post date:** [December 13, 2021, 9:05am UTC](https://forum.opennebula.io/t/how-to-add-a-rdm-disk-to-vm-through-open-nebula/10184/2 "2021-12-13T09:05:31Z")
Hi @Mamo, You can find the docs on how to configure RDM datastores [here](https://docs.opennebula.io/6.2/open_cluster_deployment/storage_setup/dev_ds.html). You’ll probably need to create the corresponding DS and image and attach them to the corresponding VM. ---
**Author:** ![Mamo](https://avatars.discourse-cdn.com/v4/letter/m/90ced4/32.png) [@Mamo](https://forum.opennebula.io/u/Mamo)\ **Post date:** [February 7, 2022, 12:20pm UTC](https://forum.opennebula.io/t/how-to-add-a-rdm-disk-to-vm-through-open-nebula/10184/3 "2022-02-07T12:20:42Z")
Does the Open Nebula support attaching RDMs using SAN ? the above link refers to NFS/NAS. Is that something, we can use SAN RDMs in open nebula ?