Chapter 5
Hot-Swap Software Commands
5-3
5.1.1
How High-Availability Hot-Swap Works
By default, a Netra CT server is configured to accept any cPCI FRU unless you
specifically set an allowable plug-in for a slot (refer to the
Netra CT Server System
Administration Guide
for more information.)
When a board is inserted into a Netra CT server, the alarm card checks the midplane
FRU ID information for allowable FRUs for that slot, then checks the inserted
board’s FRU ID to make sure the board is allowed in the particular slot. If the board
is allowed in the slot, the alarm card powers up the board. If the board is not
allowed in the slot, the alarm card sends an SNMP trap to the MOH application.
If a host or satellite board is in use (has applications currently running), the alarm
card CLI power commands, such as
poweron
or
poweroff
, do not work for that
board.
5.1.2
Hot-swap with Boards That Do Not Have Full
Hot-swap
You might want to change the hot-swap state of a slot from full to basic if you need
to insert or remove a third-party I/O board that does not have full hot-swap
support.
To determine the current hot-swap state of a slot, use the
prtconf(1M)
command.
To enable or disable the hot-swap on a slot, use the
cfgadm
(1M) command. For
many
cfgadm
commands, you must know the attachment-point ID for the I/O slot
that you are changing the state.
5.1.3
System Status Panel LED States and Meanings
The LEDs on the system status panel give you information to determine what state a
board is in and if it is safe to remove the board from the system. See
TABLE 5-1
for
more information.
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