Feature Specifications
Cluster specification and services
Maximum number of hosts
Maximum bare capacity of cluster
120 TiB
400 TiB
1280 TiB
1280 TiB
6 PiB
Maximum available capacity of cluster
60 TiB
(2 replicas)
40 TiB
(3 replicas)
200 TiB
(2 replicas)
133 TiB
(3 replicas)
640 TiB
(2 replicas)
427 TiB
(3 replicas)
640 TiB
(2 replicas)
427 TiB
(3 replicas)
2 PiB
Commercial support
Block storage services
Heterogeneous cluster
Cluster online extend/shrink
Generic block storage services
Storage auto-tiering
Volume pinning
All-flash storage
Storage policy (per datastore/volume)
Topology-aware data allocation
VM-location-aware data migration
Silent data corruption detection (block checksum)
Thin provisioning
Space reclamation of thin provisioned volumes
Concurrent access of shared volume
Storage volume QoS settings
Tunable replication factor
2, 3
2, 3
2, 3
2, 3
2, 3
Increase number of replicas
SCVM I/O redirection1
Adjustable rate of data recovery and migration2
Use RDMA protocol for inter-node data transmission
Virtualization platforms
ELF (Built-in virtualization platform)
VMware ESXi™
Citrix® XenServer®
Built-in VM services
Boost mode
VM lifecycle management
VM autostart with host
VM online setting
VNC console
VM hot migration
VM cold migration
VM staged migration
VM import and export
VM CPU compatibility
VM CPU exclusive
VM Guest OS disk usage
VM uptime
VM group
VM template
VM template import and export
VM instant snapshot
VM instant/full clone
Resource-aware VM auto migration
Rule of placement group3
Dynamic Resource Scheduler
User-defined VM placement
Data storage policy
ISO management
Virtual volume import and export
VM/Virtual volume I/O QoS settings
VM/volume I/O throttling
Virtual NIC QoS settings
VM Tools
VM list export
USB device passthrough
USB passthrough
PCI passthrough
GPU passthrough
Virtual distributed switch
VLAN-based VM network
Create multiple types of networks on one VDS
VLAN with access or trunk port
Network traffic QoS
System network MTU modification
NIC MTU modification
NIC LLDP information
NIC physical link status
Operations and maintenance
Single cluster/site management
Multiple cluster/site management
Visualized cluster topology and management
Visualized networks and management
Visualized server components and management
Server components status monitoring
Multi-language support
GUI-based installation and configuration
Monitoring & analysis of physical server/component performance/capacity/status
Monitoring & analysis of virtual resources performance/capacity/status
Monitoring & analysis of networks performance/status
Monitoring & analysis of cluster health status
Monitoring & analysis of software stack resources/health status
Host maintenance mode
Host power operations
Host uptime
One click to shut down cluster
Physical disk locator light
Hard disk anomaly detection & isolation
Network fail-slow detection & isolation
Customized alerts
SNMP support
Email notification
User-defined monitoring and analysis dashboard
Monitoring data export
Log collection
Log search
Log transmission
SMTX OS one-click software upgrade
Node role conversion
Non Active-Active Cluster to Active-Active Cluster conversion
Enable/disable cluster Boost mode
Event auditing
VM resource optimization
Role-Based Access Control
API documentation
Snapshot Plan
Optional protected virtual machines
Optional execution policy and retention policy
MetroX (Active-Active Clustering)
Not supported
Not supported
Separate license required
Separate license required
Separate license required
Availability zone
Automated disaster recovery for VM/application services
VM HA across availability zones
VM HA across availability zones
VM HA across availability zones
Free tools (independently released)
SMTX Cluster Installer for SmartX Halo Appliance
SMTX Migration Tool: Supports VM migration from VMware to SMTX ELF (SMTX VM service platform)