<action> 标记中指定的命令（*-*-events 命令除外）对应于 ldm 命令行界面中的那些命令。有关 ldm 子命令的详细信息，请参见 ldm(1M) 手册页。
下面是 <action> 标记中支持的字符串：
add-domain
add-io
add-mau
add-memory
add-spconfig
add-variable
add-vconscon
add-vcpu
add-vdisk
add-vdiskserver
add-vdiskserverdevice
add-vdpcc
add-vdpcs
add-vnet
add-vswitch
bind-domain
cancel-operation
list-bindings
list-constraints
list-devices
list-domain
list-services
list-spconfig
list-variable
migrate-domain
reg-all-events
reg-domain-events
reg-hardware-events
reg-resource-events
remove-domain
remove-io
remove-mau
remove-memory
remove-reconf
remove-spconfig
remove-variable
remove-vconscon
remove-vcpu
remove-vdisk
remove-vdiskserver
remove-vdiskserverdevice
remove-vdpcc
remove-vdpcs
remove-vnet
remove-vswitch
set-domain
set-mau
set-memory
set-spconfig
set-variable
set-vconscon
set-vconsole
set-vcpu
set-vnet
set-vswitch
start-domain
stop-domain
unbind-domain
unreg-all-events
unreg-domain-events
unreg-hardware-events
unreg-resource-events