Mark,
If your current hyperfvisor has adequate RAM* and CPU, you could get a raid controller with an external SAS connector and an external SAS disk caddy.
*I'm not 100% clear as to whether or not you are hitting memory limits from your post
If your current hyperfvisor has adequate RAM* and CPU, you could get a raid controller with an external SAS connector and an external SAS disk caddy.
*I'm not 100% clear as to whether or not you are hitting memory limits from your post