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cfgadm_sysctrl - EXX00 system board administration
/usr/sbin/cfgadm -c function [-f]
[-o disable-at-boot | enable-at-boot] [-n | -y] sysctrl0:slot# ...
/usr/sbin/cfgadm -x quiesce-test sysctrl0:slot#
/usr/sbin/cfgadm -x insert-test | remove-test sysctrl0:slot# ...
/usr/sbin/cfgadm -x set-condition-test=# sysctrl0:slot# ...
/usr/sbin/cfgadm [-l]
-o disable-at-boot | enable-at-boot sysctrl0:slot# ...
The sysctrl hardware specific library /usr/platform/sun4u/lib/cfgadm/sysctrl.so.1 provides dynamic reconfiguration functionality for configuring and disconnecting system boards on E6X00, E5X00, E4X00, and E3X00 systems. You can insert both I/O and CPU boards into a slot on a running system that is configured for Solaris without rebooting. You can also disconnect and remove both types of boards from a running system without rebooting.
System slots appear as attachment points in the device tree, one attachment point for each actual slot in the system chassis. If a board is not in a slot, the receptacle state is empty. If a board is powered-off and ready to remove, the receptacle state is disconnected. If a board is powered-on and is connected to the system bus, the receptacle state is connected.
The occupant state is unconfigured when the receptacle state is empty or disconnected. The occupant state is either unconfigured or configured when the receptacle state is connected.
In the configured state the devices on a board are available for use by Solaris. In the unconfigured state, the devices on the board are not.
Inserting a board changes the receptacle state from empty to disconnected. Removing a board changes the receptacle state from disconnected to empty. Removing a board that is in the connected state crashes the operating system and can result in permanent damage to the system.
Refer to cfgadm(1M) for a more complete description options.
The following options are supported:
-c function
configure
If the receptacle state is disconnected, the configure function first attempts to connect the receptacle. The configure function walks the OBP device tree created as part of the connect function and creates the Solaris device tree nodes, attaching devices as required. For CPU/Memory boards, configure adds CPUs to the CPU list in the powered-off state. These are visible to the psrinfo(1M) and psradm(1M) commands. Two memory attachment points are published for CPU/memory boards. Use mount(1M) andifconfig(1M) to use I/O devices on the new board. To use CPUs, use psradm -n to on-line the new processors. Use cfgadm_ac(1M) to test and configure the memory banks.
connect
Changing the receptacle state requires that the system bus be frozen while the bus signals are connected and the board tested. The bus is frozen by running a quiesce operation which stops all process activity and suspends all drivers. Because the quiesce operation and the subsequent resume can be time consuming, and are not supported by all drivers, the -x quiesce-test is provided. While the system bus is frozen, the board being connected is tested by firmware. This operation takes a short time for I/O boards and a significant time for CPU/Memory boards due to CPU external cache testing. This does not provide memory testing. The user is prompted for confirmation before proceeding with the quiesce. Use the -y or -n option to override the prompt. The connect operation is refused if the board is marked as disabled-at-boot, unless either the force flag, -f, or the enable at boot flag, -o enable-at-boot, is given. See -l.
disconnect
If the occupant state is configure, the disconnect function first attempts to unconfigure the occupant. The disconnect operation does not require a quiesce operation and operates quickly. The board is powered-off ready for removal.
unconfigure
Devices on the board are made invisible to Solaris during this process. The I/O devices on an I/O board are removed from the Solaris device tree. Any device that is still in use stops the unconfigure process and be reported as in use. The unconfigure operation must be retried after the device is made non-busy. For CPU/Memory boards, the memory must have been changed to the unconfigured state prior to issuing the board unconfigure operation. The CPUs on the board are off-lined, powered off and removed from the Solaris CPU list. CPUs that have processes bound to them cannot be off-lined. See psradm(1M), psrinfo(1M), pbind(1M), andp_online(2) for more information on off-lining CPUs.
-f
-l
The type field can be one of cpu/mem, mem, dual-sbus, sbus-upa, dual-pci, soc+sbus, soc+upa, disk or unknown.
The hardware-specific info field is set as follows: [disabled at boot] [non-detachable] [100 MHz capable]
For sbus-upa and soc+upa type boards, the following additional information appears first: [single buffered ffb|double buffered ffb|no ffb installed] For disk type boards, the following additional information appears first: {target: # | no disk} {target: # | no disk}
-o disable-at-boot | enable-at-boot
Use -o enable-at-boot with the -c connect to override a block on connecting a disabled-at-boot board.
-x insert-test | remove-test
Specify remove-test to change the driver state for the specified slot from disconnected to empty without the need for physically removing the board during automated test sequences.
Specify insert-test to change the driver state of a slot made to appear empty using the remove-test command to the disconnected state as if it had been inserted.
-x quiesce-test sysctrl0:slot1
Allows the quiesce operation required for board connect operations to be exercised. The execution of this test confirms that, with the current software and hardware configuration, it is possible to quiesce the system. If a device or process cannot be quiesced, its name is printed in an error message. Any valid board attachment point can be used with this command, but since all systems have a slot1 the given form is recommended.
-x set-condition-test=#
Allows the condition of a system board attachment point to be set for testing the policy logic for state change commands. The new setting is given as a number indicating one of the following condition values:
0 unknown 1 ok 2 failing 3 failed 4 unusable
The following operand is supported:
sysctrl0:slot#
/usr/platform/sun4u/lib/cfgadm/sysctrl.so.1
/devices/central@1f,0/fhc@0,f8800000/clock-board@0,900000:slot*
See attributes(5) for descriptions of the following attributes:
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cfgadm(1M), cfgadm_ac(1M), ifconfig(1M), mount(1M), pbind(1M), psradm(1M), , psrinfo(1M), config_admin(3CFGADM), attributes(5)
Sun Enterprise 6x00, 5x00, 4x00 and 3x00 Systems Dynamic Reconfiguration User's Guide
Platform Notes:Sun Enterprise 6x00/5x00/4x00/3x00 Systems
Refer to the Sun Enterprise 6x00, 5x00, 4x00 and 3x00 Systems Dynamic Reconfiguration User's Guide for additional details regarding dynamic reconfiguration of EXX00 system CPU/Memory boards.
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