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Table 7-1
Type of maintenance for CPU memory unit
Configuration Active/hot Active/cold Inactive/hot I n a ctive/cold (*1) System stopped
Single-chassis co nfigu r a tio n
Unsupported Unsupported Unsupported Supported Supported
Building block configuration
Unsupported Supported (*2) Unsupported Supported Supported
*1: For a single-chassis configuration, the inactive/cold maintenance procedure is the same as that for stopping the system, therefore see
the procedure for system-stopped maintenance.
*2: It is necessary to use dynamic reconfiguration (DR) to disconnect a chassis requiring maintenance from the physical partition.
Table 7-2
Maintenance flow
Task Lower unit
replacement
Upper unit
replacement
Upper unit
expansion
Upper unit
reduction
1 Preparation 7.3 7.3 7.3 7.3
2 Accessing a CPU memory
unit
7.4.1 7.4.1 7.4.1 7.4.1
3 Removing a CPU memory
unit lower
7.4.2 7.4.2 7.4.2 7.4.2
4 Removing a CPU memory
unit upper
7.4.3 7.4.3 -(*) 7.4.3
5 Removing a PCIe cable 7.4.4 - 7.4.4 7.4.4
6 Installing a PCIe cable 7.5.1 - 7.5.1 7.5.1
7 Installing a CPU memory
unit upper
7.5.2 7.5.2 7.5.2 -(*)
8 Installing a CPU memory
unit lower
7.5.3 7.5.3 7.5.3 7.5.3
9 Restoring the chassis 7.5.4 7.5.4 7.5.4 7.5.4
10 Restoring the system 7.6 7.6 7.6 7.6
* It is necessary to remove or install a filler unit.
7.2.2 Maintenance flow
Table 7-2 lists the sequence of the maintenance procedure for the CPU memory units.
To expand/reduce the CPU memory unit upper, it is necessary to remove/install the
CPU memory unit lower.
The procedure for expanding a CPU memory unit upper is the same as that for
installing a CPU memory unit upper. The procedure for reducing a CPU memory
unit upper is the same as that for removing a CPU memory unit upper.
In addition, the CPU memory unit upper and CPU memory unit lower are connected
by the PCI Express (PCIe) cable. The PCIe cable should be replaced when the CPU
memory unit upper is replaced. Similarly, the cable is installed when the CPU
memory unit upper is expanded, and removed when it is reduced.
Fujitsu M10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual
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December 201386