Attaching several Direct LUNs to a VM is supported in 3.5.0 (and probably in 3.4 too, I admit I did not bisect when exactly this was added).
From the Disks subtab under the VMs maintab:
1. Select multiple disks using the CTRL button
2. Click attach
3. Click External (Direct LUN)
4. Check all the relevant disks
5. Click OK to confirm
There is a copy-paste error here. The first step is obviously a mistake, and cannot be done. Steps 2-5 are in fact the correct steps:
(In reply to Allon Mureinik from comment #1)
> From the Disks subtab under the VMs maintab:
> 2. Click attach
> 3. Click External (Direct LUN)
> 4. Check all the relevant disks
> 5. Click OK to confirm