VCSA 6.5 system requirement

VCSA 6.5 

http://masteringvmware.com/vcsa-6-5-system-requirements/

규모	vCPU	RAM	Storage	Host	VM
tiny	2	10	250	10	100
small	4	16	290	100	1000
medium	8	24	425	400	4000

VCSA 6.0 

https://kb.vmware.com/s/article/2106572

Purpose

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If you are using the VMware vCenter Server Appliance, beginning with vSphere 5.x you can download vCenter Server as a virtual machine appliance. With the VMware vCenter Server Appliance, the necessary components are contained in a pre-configured virtual machine. This article outlines the minimum requirements and configurations for a successful implementation.

 

Note: For more information, see the vSphere Installation and Setup Guide. The documentation contains definitive information. If there is a discrepancy between the documentation and this article, assume that the documentation is correct.

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Resolution

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The VMware vCenter Server Appliance can be deployed only on hosts that are running ESX/ESXi 5.x or later.

This table outlines the VMware vCenter Server Appliance requirements:
 

Resource	Requirement
Disk storage on the host machine	Embedded Platform Services Controller: Tiny: 120GB Small: 150GB Medium: 300GB Large: 450GB vCenter Server Appliance with an External Platform Services Controller: Tiny: 86GB Small: 108GB Medium: 220GB Large: 280GB External Platform Services Controller Appliance: Tiny: 30GB Small: 30GB Medium: 30GB Large: 30GB
Memory in the vCenter Server Appliance	Platform Services Controller Only: 2GB Ram All components on one Appliance. Tiny: 8GB RAM Small: 16GB RAM Medium: 24GB RAM Large: 32GB  RAM
CPUs in the vCenter Server Appliance	Platform Services Controller Only: 2 CPUs All components on one Appliance. Tiny: 2 CPUs Small: 4 CPUs Medium: 8 CPUs Large: 16 CPUs

 

Notes:

• Tiny Environment (up to 10 Hosts, 100 Virtual Machines)
• Small Environment (up to 100 Hosts, 1,000 Virtual Machines)
• Medium Environment (up to 400 Hosts, 4,000 Virtual Machines)
• Large Environment (up to 1,000 Hosts, 10,000 Virtual Machines)

vCenter Server Appliance Sizing 6.5

https://docs.vmware.com/en/VMware-Validated-Design/4.0/com.vmware.vvd.sddc-design.doc/GUID-3EC9F64D-D42C-407E-9775-25D9CE61B4B0.html

The following tables outline minimum hardware requirements for the management vCenter Server appliance and the compute vCenter Server appliance.

Logical Specification for Management vCenter Server Appliance

Attribute	Specification
vCenter Server version	6.5 (vCenter Server Appliance)
Physical or virtual system	Virtual (appliance)
Appliance Size	Small (up to 100 hosts / 1,000 VMs)
Platform Services Controller	External
Number of CPUs	4
Memory	16 GB
Disk Space	290 GB

Logical Specification for Compute vCenter Server Appliance

Attribute	Specification
vCenter Server version	6.5 (vCenter Server Appliance)
Physical or virtual system	Virtual (appliance)
Appliance Size	Large (up to 1,000 hosts / 10,000 VMs)
Platform Services Controller	External
Number of CPUs	16
Memory	32 GB
Disk Space	640 GB

vCenter Server Appliance Sizing Design Decisions

Decision ID	Design Decision	Design Justification	Design Implication
SDDC-VI-VC-008	Configure the management vCenter Server Appliances with at least the small size setting.	Based on the number of management VMs that are running, a vCenter Server Appliance installed with the small size setting is sufficient.	If the size of the management environment changes, the vCenter Server Appliance size might need to be increased.
SDDC-VI-VC-009	Configure the compute vCenter Server Appliances with at least the large size setting.	Based on the number of compute workloads and NSX edge devices running, a vCenter Server Appliance installed with the large size setting is recommended.	As the compute environment grows resizing to X-Large or adding additional vCenter Server instances may be required.