Service manual

4-14 AlphaServer GS80/160/320 Service Manual
4.3.3 Cold-Swapping a FRU
FRUs that require a cold-swap state are all modules in GS80 systems
except CPUs and I/O risers which may be hot swapped, clock modules,
and cabinet blowers.
GS80 Modules Except the CPUs and Local I/O Risers
1. Shut down the operating system running in the affected drawer.
2.
If the system is partitioned, use the SRM power off command from the console
connected to the partition containing the FRU.
3.
Put the OCP switch in the Off or Secure position depending upon the particular
repair and system configuration.
Cabinet Blower
If the system is a GS160, the entire system must be powered off.
1. Shut down all instances of the operating system.
2. Use the SRM power off command to power off the system or each partition in it.
System cabinet 1 is in the cold-swap state and the blower may be removed.
3. See Section 4.8.
If the system is a partitioned GS320, just the partitions in the system cabinet with the
blower that is to be replaced need to be in the cold-swap state.
1. If the blower is in system cabinet 1, shut down all instances of the operating system
running in QBBs 0 – 3. Skip to step 3.
2. If the blower is in system cabinet 2, shut down all instances of the operating system
running in QBBs 4 – 7. Skip to step 4.
3. Power off partitions in system cabinet 1 by using the SRM power off command from
the console(s) connected to partitions in system cabinet 1. The blower is in the cold-
swap state.
4.
Power off partitions in system cabinet 2 by using the SRM power off command from
console(s) connected to partitions in system cabinet 2. The blower is in the cold-
swap state.
5. See Section 4.8.