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→Setting Host Reserves
== Setting Host Reserves ==
''Host Reserves'' define how much of a host's resources are to reserved for the host operating system. Once these reserves a configured, a virtual machine cannot be deployed on that host if doing so would require the use of the reserved resources. The host resources that may be reserved are as follows:
* CPU Percentage
* Memory
* Disk Space
* Maximum Disk I/O Per Second (IOPS)
* Network Capacity Percentage
Host reserves are specified on a host group basis. In addition, the group reserve settings may also be overridden on a per host basis. To specify the host group reserve settings right click on the host group name in the Hosts pane, select ''Properties'' from the menu and click the ''Host Reserve Tabs'' in the ''Host Group Properties'' dialog as illustrated in the following figure:
[[Image:vmm_admin_console_host_group_properties.jpg|The VMM Administrator Console Host Group Properties dialog]]
In order to override the group host reserve settings, right click on the host in the list, select ''Properties'' and click on ''Reserves'' in the resulting dialog.
