Yes, it makes sense to give each VM its own swap space on the SSD. This will ensure that each VM has its own dedicated pool of fast memory for swapping, which can improve performance and prevent contention. You do not need a separate LVM group on the SSD, but it is a good practice to do so. This will make it easier to manage the swap volumes for each VM and ensure that they are always located on the SSD.

Here are the steps on how to set up swap space for each VM on the SSD:

1. Create a separate LVM group on the SSD.
2. Create a swap volume for each VM in the LVM group.
3. Set the swappiness parameter for each VM to a low value, such as 10.
4. Restart the VM.

The swappiness parameter controls how aggressively the kernel will swap memory out to disk. A lower value means that the kernel will be less likely to swap memory out, which can improve performance.

Here are some additional things to keep in mind when setting up swap space for VMs:

* The size of the swap volume should be at least the same size as the amount of physical memory for the VM.
* You can also use a swap file instead of a swap volume. However, a swap file will be slower than a swap volume on an SSD.
* If you are using a KVM hypervisor, you can use the `virsh` command to manage the swap space for VMs.

I hope this helps!
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