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System Requirements - Virtualization
Virtualization
EXPRESSCLUSTER enables both Guest Cluster and Host Cluster configuration.
The following correspondence table describes about virtual softwares and functions.
Y：Yes
N：No
| Virtulization Software | Inter-guest OS clusters | Guest-to-Host OS cooperation | Non-stop failover |
|---|---|---|---|
| Windows Server 2022 Hyper-V | Y | N | N |
| Windows Server 2019 Hyper-V | Y | N | N |
| Windows Server 2016 Hyper-V | Y | N | N |
| Windows Server 2012 R2 Hyper-V | Y | Y | Y*1 |
| Windows Server 2012 Hyper-V | Y | Y | Y*1 |
| VMware vSphere 8.0 | Y | N | N |
| VMware vSphere 7.0 | Y | N | N |
| VMware vSphere 6.7 | Y | N | Y |
| VMware vSphere 6.5 | Y | N | Y |
| VMware vSphere 6.0 | Y | N | Y |
| VMware vSphere 5.5 | Y | N | Y |
| Xen Server 6.5 | Y | Y | Y |
| Xen | Y | N | N |
| KVM | Y | Y | Y |
| PowerVM | Y | N | N |
| Proxmox Virtual Environment | Y | N | N |
- *1Only quick migration
Inter-guest OS clusters
Guest Cluster fails over the operations running on the guest OS.
EXPRESSCLUSTER can operate on a virtual machine in the same way as a physical server. When constructing a guest cluster, please select a compatible EXPRESSCLUSTER product for the OS you use.
Guest-to-Host OS cooperation
Cooperation between Host OS and Guest OS capables to failover by physical failure.
Non-stop failover
In case of a failure that can be recovered by live migration, the system can be moved to the standby system without any stopping of operations.
・Compatible with virtualized infrastructure (*2) that supports live migration.
・Specifically, the FC path redundancy and NIC redundancy configuration is effective in detecting a failure in one of the paths and migrating it.
- *2VMware and Hyper-V are supported. XenServer will be supported in an upcoming update. Hyper-V requires a quick migration.