Node sizing
Minimum and recommended hardware requirements for VergeOS nodes including CPU, RAM, storage, and networking specifications for controller, storage, and compute-only nodes.
Minimum Requirements
Generic Requirements (All Node Types)
AMD or Intel x86 64-bit processor with hardware virtualization support
Minimum of 16GB RAM dedicated to VergeOS
IPMI, iDrac, iLO, or equivalent technology
NVMe direct-attached (preferred), HBA or RAID controller that supports JBOD or IT mode - NO RAID
1 x 1GbE NIC for External Network (Intel, NVIDIA Mellanox, or Broadcom)
1 x 10GbE NIC for Core Fabric Network (Intel, NVIDIA Mellanox, or Broadcom)
Controller Nodes (Node 1 and Node 2)
1 x +2.7GHz CPU
1GB of RAM per 1TB of storage for each node (minimum requirement)
Tier 0: 1 x Enterprise-grade NVMe direct-attached SSD for vSAN metadata with 3 Drive Writes Per Day (DWPD) or equivalent
Tier 0: 5GB of storage per 1TB of usable capacity for vSAN metadata (dedicated metadata storage)
Storage Nodes (Nodes that participate in vSAN storage)
+2.7GHz CPU
1GB of RAM per 1TB of RAW storage for each node (minimum requirement)
Minimum of one Enterprise-grade NVMe or Enterprise-grade SATA/SAS SSD per node for workload storage (primary storage tier)
Enterprise-grade HDDs can be used for snapshot, archive, or file-based service storage (secondary storage tier)
At least 2 nodes with the same disk configuration for data redundancy (required for vSAN)
Consumer-Grade Disks
VergeOS does not officially support consumer-grade disks. Only enterprise-grade storage devices should be used in production (and backup of production) environments. Consumer-grade disks may be acceptable for test, development, or proof-of-concept environments where data loss is acceptable. Some consumer-grade storage devices may not function properly due to firmware limitations, non-standard command implementations, or compatibility issues with VergeOS.
Large HDD Considerations
HDDs larger than 8TB are not recommended in non-archive-specific environments due to extended drive rebuild times, which can impact system performance and availability.
Compute-only Nodes
Only the generic requirements apply to Compute-only nodes
CPU and Memory should be architected for workloads running on these nodes
Recommended Requirements
Generic Requirements (All Node Types) - Recommended
AMD or Intel x86 64-bit processor with hardware virtualization support
Minimum of 16GB RAM dedicated to VergeOS
IPMI, iDrac, iLO, or equivalent technology
NVMe direct-attached (preferred) or HBA
2 x 25/40/100GbE NICs (Intel, NVIDIA Mellanox, or Broadcom)
2 x 10/25/40/100GbE NICs (Intel, NVIDIA Mellanox, or Broadcom)
Dedicated Controller Nodes (recommended for production environments)
Controller Nodes (Node 1 and Node 2) - Recommended
1 x +3.0GHz CPU
Tier 0: 2 x NVMe direct-attached SSD for vSAN metadata with 3 Drive Writes Per Day (DWPD) or equivalent (redundant configuration)
Tier 0: 10GB of storage per 1TB of usable capacity for vSAN metadata (dedicated metadata storage)
Storage Nodes (Nodes that participate in vSAN storage) - Recommended
+3.0GHz CPU
1 CPU core per disk
1.5GB of RAM per 1TB of storage for each node (recommended for better performance)
2 x NVMe or SATA/SAS SSD per node for guest usage; more SSDs recommended for enhanced performance
At least 2 nodes with the same disk configuration for data redundancy (required for vSAN)
Compute-only Nodes - Recommended
Only the generic requirements apply to Compute-only nodes
CPU and Memory should be architected for workloads running on these nodes
Maximum Supported Hardware Specifications
The following table outlines the maximum supported hardware specifications for various resources in the VergeOS system as of version 4.12:
Nodes per system
200
node
Individual physical disk size
64
terabyte
RAM per host
5
terabyte
vDisk size
256
terabyte
Disks per VM
2000
vdisk
Clusters per system
100
cluster
Tiers of storage per system
5
tiers
vSAN Fault domains per system
2
vSAN
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