Fujitsu M10-4 - Active Maintenance

Table 3-2
Whether active maintenance (replacement/addition/removal) is enabled for each FRU
-: Maintenance cannot be performed.
FRU Single-chassis configuration Building block configuration
Active/hot maintenanc e Active/hot maintenance Active/cold maintenanc e
(*6)
CPU memory unit - - OK
Memory - - OK
Crossbar unit (*1) - - -
Power supply unit OK (*3) OK (*3) OK
Fan unit OK (*3) OK (*3) OK
Internal disk OK (*4) OK (*4) OK
PCIe card OK (*5) OK (*5) OK
■
Inactive maintenance
Maintenance is performed when the physical partition of an FRU requiring
maintenance is stopped.
■
System-stopped maintenance
Maintenance is performed with all physical partitions stopped.
Each of the three maintenance types is further divided into two types: hot maintenance
and cold maintenance.
■
Hot maintenance
Maintenance is performed with the power cord of the FRU requiring maintenance
connected.
■
Cold maintenance
Maintenance is performed with the power cord of the FRU requiring maintenance
removed.
The FRUs for which hot maintenance or cold maintenance is enabled differ between a
configuration using one SPARC M10-4 or SPARC M10-4S unit and a building block
configuration using two or more SPARC M10-4S units.
For example,
active/cold maintenance can be performed on a CPU memory unit. This
is a state where the physical partition to which the target CPU memory unit belongs
is operating (active). This means that maintenance is performed after the target CPU
memory unit (PSB) is dynamically released from the physical partition and the
power cord of the CPU memory unit is removed.
3.2 Active Maintenance
The type of maintenance performed with Oracle Solaris operating on the physical
partition is referred to as active maintenance. Note that active/cold maintenance is
not supported in a system that uses one SPARC M10-4 or SPARC M10-4S unit.
Table 3-2 shows whether active maintenance is enabled for each FRU.
Fujitsu M10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual
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November 201434