Supported way for a NAS across multiple nodes that supports thin disks, snapshots, live migrations, move disks, and HA?

[omgzwhitepeople]

Coming from the VMware world, and deploying Proxmox 9.1.1 for the first time. Looking for the correct NAS setup to support the following

• shared iSCSI attached storage across all nodes
• Deploy Thin disk VMs
• perform snapshots
• live migrations / move disk (vmotion / storage vmotion)
• HA

In VMware I was able to attach to the same iSCSI target on all hosts and all these features worked.

I am finding that it seems that Proxmox has some "gotchas" with the above.
Is it true that iSCSI attached storage does not support snapshots? Why? is it because QCOW is not the same as VMDK? We prefer to use iSCSI over NFS and would rather not have to shift all storage to a new protocol. Is that not possible? Reading a little about LVM/ThinLVM it seem you can make volgroups from the storage to accomplish the above. However I read warnings that you can only do it on a single node. Does that mean I can only attach the iSCSI storage to one node, and it is dedicated to it? How is it possible to live migraitons or HA with that?

Is there any possible way to do the above bullets with iSCSI attache storage in Proxmox?

 

[uzumo]

Because it is a cluster file system like VMFS, multiple nodes can access the same disk.

Since there is no such file system, multiple nodes cannot access the same disk.

If that is a requirement, you can simply continue using VMware.

*I have never had any problems due to its absence.

You can freely use any storage where the “Shared” column is set to “Yes.”

https://pve.proxmox.com/pve-docs/chapter-pvesm.html

 

[DerekG]

In VMware I was able to attach to the same iSCSI target on all hosts and all these features worked.

The greatest mistake one can make is to try and forklift VMware into a Proxmox environment.
You will forever be chasing your tail trying to get Proxmox to 'work' the same as VMWare.

Start the process with a clean Proxmox install and then look to the tools available to achieve what you require.