The following three switchover methods are supported:
| Content | Remarks | Reference |
|---|---|---|
| Physical L-Server Switchover (Physical OS) | - | Refer to "2.1.1 Physical L-Server Switchover (Physical OS)". |
| Physical/Virtual L-Server Switchover (VM Host/VM Guest) | This cannot be performed with virtual L-Server switchover (VM guest). | Refer to "2.1.2 Physical/Virtual L-Server Switchover (VM Host/VM Guest)". |
| Virtual L-Server Switchover (VM guest) | This cannot be performed with physical/virtual L-Server switchover (VM host/VM guest). | Refer to "2.1.3 Virtual L-Server Switchover (VM guest)". |
The possibility of using a combination of these methods is shown below.
| Switchover Methods | Physical L-Server Switchover (Physical OS) | Physical/Virtual L-Server Switchover (VM Host/VM Guest) | Virtual L-Server Switchover (VM guest) |
|---|---|---|---|
| Physical L-Server Switchover (Physical OS) | - | Yes | Yes |
| Physical/Virtual L-Server Switchover (VM Host/VM Guest) | Yes | - | No |
| Virtual L-Server Switchover (VM guest) | Yes | No | - |
Yes: Use in combination is possible
No: Use in combination is not possible
-: Not applicable
A comparison of these methods is shown below.
|
Physical L-Server Switchover (Physical OS) |
Physical/Virtual L-Server Switchover (VM Host/VM Guest) |
Virtual L-Server Switchover (VM Guest) |
||
|---|---|---|---|---|
| Switchover target | Physical OS | Yes | - | - |
| VM host | - | Yes | - | |
| VM guest | - | Yes | Yes | |
| Server type | PRIMERGY blade servers | Yes | Yes | Yes |
| PRIMERGY rack mount servers | Yes (When using VIOM for the I/O virtualization method) | Yes (When using VIOM for the I/O virtualization method) | Yes | |
| SPARC M10/M12 | No | No | Yes | |
|
Storage connections |
FC | Yes | Yes | Yes |
| iSCSI | No | No | Yes (only VMware) | |
| NAS | No | No | Yes (only VMware) | |
| Server virtualization software | VMware | - | Yes | Yes (VMware ESXi 5.x) |
| Hyper-V | - | Yes | No | |
| OVM for SPARC | - | No | Yes (Solaris 11/11 or later) | |
| Configuration of a VM host on the switchover destination site in advance | - | Not necessary | Necessary | |
| Recovery of a virtual L-Server linking with a configured virtual machine | - | No | Yes (L-Server useable for server/storage operations) | |
Yes: Supported
No: Not supported
-: Not applicable
