Table8-4 Typesof m aintenance for memory (continue d)
Configuration Active/hot Active/cold Inactive/hot Inactive/cold(*1) Systemstopped
Building block configuration
Unsupported Supported (*2) Unsupported Supported Supported
*1: Fora single-chassis configuratio n,t hein active/cold maintenance procedure is the same as that for stopping the system, therefore see
theprocedure for system-stoppe d maintenance.
*2: Itis necessary to use dynamic r econfiguration (DR) to disconnect a chassis requiring maintenan ce from the physical partition.
Table8-5 Maintenanceflow
Detailsof update process Replacement Expansion Reduction
1 Preparation 8.4 8.4 8.4
2 Removinga CPU memory unit 7.4 7.4 7.4
3 Removingmemory 8.5 -8.5
4 Installingmemory 8.6 8.6 -
5 InstallingaCPUmemoryunit 7.5 7.5 7.5
6 Restoringthe system 8.7 8.7 8.7
8.3.2 Maintenance flow
Table8-5 lists the sequence of the maintenance procedure for memory. The
procedurefor expanding memory is the same as that for installing m emory. The
procedurefor reducing memory is the same as that for removing memory.
8.3.3 Precautions for replacement
Notethe following points when replacing memory:
■Whenyou replace a memory module, make sure that you install the new module
inthe s ame position as the original one.
8.3.4 Precautions for installation
Notethe following points when expanding memory:
■Observethe memory installation rules when you expand memory. For details, see
"8.2.1 Memory mounting rules."
■ApplyXCP 2080 or later when you expand 64 GB memory.
Chapter8 MaintainingtheMemor y 169