vSAN ESA ReadyNode Hardware Guidance
The purpose of this document is to provide sample server configurations as directional guidelines for use with vSAN™. Use these guidelines as your first step toward determining the configuration for vSAN ESA(Express Storage Architecture)
How to use this document
- Determine your workload profile requirement for your use case.
- Filter and Search vSAN ESA ReadyNodeTM offerings to determine the approximate configuration that meets your needs
- Use vSAN ESA VCG to pick a vSAN ESA ReadyNodeTM aligned with the selected profile from the OEM server vendor of choice.
vSAN ESA ReadyNode Hardware Guidance
Description | vSAN-ESA-AF-2 | vSAN-ESA-AF-4 | vSAN-ESA-AF-6 | vSAN-ESA-AF-8 | vSAN-ESA-AF-HighDensity |
Node Capacity (TB) (Min) | 15 | 20 | 40 | 60 | 100 |
CPU (#cores) per Node (Min) | 32 | 40 | 48 | 56 | 48 |
Memory (GB) (Min) | 512 | 512 | 768 | 1024 | 768 |
Network (GbE) (Min) | 1 x 25 | 1 x 25 | 2 x 25 | 1 x 100 | 2 x 25 |
Device Guidance:
- Type(NVMe TLC):Mixed Use Devices (3DWPD)
- Minimum Capacity:1.6TB or higher
- Performance Class:Class F or higher
- Endurance Class:Class D or higher( 3DWPD or higher)
Sizing Assumptions Used For vSAN ESA ReadyNodeTM Profiles
ESXi Boot |
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Network |
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Device Capacity |
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Number of Storage Tier Devices |
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Design Considerations Used For vSAN ESA ReadyNodeTM Profiles
Class of SSDs | The class of SSD you choose has a direct impact on the performance of your overall system. |
Device Protocol | The ReadyNode is certified with particular device type (NVMe). You are not allowed to change the device type. |
Performance Classes for SSDs
SSD PERFORMANCE CLASS | WRITES PER SECOND |
F | 100000 - 349999 |
G | 350000+ |
Endurance Classes for SSDs
SSD ENDURANCE CLASS | TB WRITES IN 5 YEARS |
D | 7300 |