Scalability Limits
The following tables contain the scalability limits for the Oracle Linux Virtualization Manager host, Oracle Linux KVM hosts, virtual machines and storage.
Table 3-5 Manager Host Limits
| Component | Small Deployment | Medium Deployment | Large Deployment |
|---|---|---|---|
| Servers managed by one engine | 128 | 512 | 1024 |
| Concurrently running virtual machines | 1250 | 5000 | 10,000 |
| VLANs managed by one engine | 1024 (for all size deployments) | ||
| Servers managed per data center | 250 (for all size deployments) | ||
Table 3-6 Oracle Linux KVM Host Limits
| Component | Maximum |
|---|---|
| Physical CPUs (cores) | 384 |
| Memory | 6 TB |
| Concurrently running virtual machines on a single host | 600, depending on the performance of the host |
Table 3-7 Virtual Machine Limits
| Component | Maximum |
|---|---|
| Virtual CPUs | 256 |
| Virtual RAM | 2 TB |
| Virtual NICs | 10 |
Table 3-8 Storage Limits
| Component | Maximum |
|---|---|
| Storage domains | 50 per data center |
| Hosts per storage domain | Unlimited |
| Logical volumes per block domain | 1500 |
| Virtual disks per fibre channel/iSCSI storage domain (including virtual disk snapshots) | 1500 |
| Virtual disks per NFS storage domain (including virtual disk snapshots) | Unlimited |
| Fibre channel/iSCSI physical LUNs per storage domain | 400 |
| FC/iSCSI physical LUNs managed by Oracle Linux Virtualization Manager | 2000 |
| Maximum direct LUN size (physical LUN presented to a VM) | 64 TB |
| Maximum virtual disk size | 500 TB (limited to 8 TB by default) |