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)