Architecting a vCloud Director Solution : vCloud Director Design : 7.3 Organization Virtual Data Centers : 7.3.5 Org VDC vSphere Resource Settings
   
7.3.5 Org VDC vSphere Resource Settings
The following table summarizes how each Org VDC allocation type applies compute resource settings at vSphere level.
Table 11. Org VDC vSphere Resource Settings
 
Pay as you go
Allocation Elastic
Allocation Non-Elastic
Reservation
Elastic
Yes
Yes
No
No
vCPU speed
Impacts VM CPU limit
Impacts number of running vCPUs in Org VDC
N/A
N/A
RP CPU limit
Unlimited
Org VDC CPU allocation
Org VDC CPU allocation
Org VDC CPU allocation
RP CPU reservation
None, expandable
Sum of powered-on VMs (CPU guarantee x vCPU speed x # of vCPUs)
Org VDC CPU allocation x CPU guarantee
Org VDC CPU allocation
RP RAM limit
unlimited
unlimited
Org VDC RAM allocation
Org VDC RAM allocation
RP RAM reservation
None, expandable
Sum of powered-on VMs (RAM guarantee x vRAM),
expandable
Org VDC RAM allocation x RAM guarantee
Org VDC RAM allocation
VM CPU limit
vCPU speed x # of vCPUs
unlimited
unlimited
custom
VM CPU reservation
CPU guarantee x vCPU speed x # of vCPUs
0
0
custom
VM RAM limit
vRAM
unlimited
unlimited
custom
VM RAM reservation
vRAM x RAM guarantee + overhead
0
vRAM x RAM guarantee + overhead
custom
RP … resource pool