Fujitsu ServerView Resource Orchestrator Cloud Edition V3.1.0 User Manual page 202

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There are no VM hosts without a spare server configured
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There is no available CPU or memory
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The status, power status, and maintenance mode of other VM hosts are not suitable.
Information
If the HA function is located on an enabled VM host, the HA function of the server virtualization software will be enabled.
When a problem occurs on the physical server that the VM host is operating on, the virtual machine can be recovered by restarting it
on a VM host that is operating normally.
[Hyper-V]
In Hyper-V environments this setting is ignored, and VM guests are always located on clustered VM hosts.
[KVM]
In RHEL-KVM environments this setting is ignored, and set as "none", since there are no server recovery functions on Hypervisor.
Note
When KVM or RHEL-Xen is selected for the VM type, because server recovery cannot be enabled, do not select the [HA] checkbox.
Alive monitoring
Configure alive monitoring as enabled or disabled.
The following operations are performed if you select the [HA] checkbox.
[Xen] [KVM] [OVM for x86] [Solaris Zones]
The alive monitoring configuration is not displayed.
Exclusion
Enter when not operating the virtual machine on the same VM host as another virtual machine.
For example, when performing load-balanced work using multiple virtual machines, you can set exclusive operation to ensure that the
work continues in a degenerate state because only one virtual machine stops when a physical server fails. Specify an L-Server name
or resource folder name that you have operating privileges for.
The virtual machine of the specified L-Server is allocated to different physical servers.
If you specify a resource folder name, one's own L-Server can be included in the resource folder. In the following cases, the L-Server
may be allocated to the same physical server, regardless of whether exclusive operation is specified:
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If no other VM hosts that meet the conditions for exclusive operation can be found, such as when there are no VM hosts in the
VM pool that have enough free space to install an L-Server
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If the HA function or automatic re-installation function (examples: VMware HA or VMware DRS) of the VM product is enabled
Note
When an operation that puts a resource that has been configured for exclusive operation outside the access scope of users, the name
of the resource will only be displayed on the screen for changing specifications or definitions.
Startup priority
With L-Servers, when performing batch power operations in a resource folder or a tenant, configure the priority for the L-Server.
Set a number between 1 and 256. Smaller values indicate higher priority. If omitted, "128" is set.
When not performing batch power operations, check the [Exclude from batch power operations] checkbox.
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