
CHAPTER 10 Error Notification and Maintenance (Contents, Methods, and Procedures)
10.1 Maintenance
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TABLE 10.1 Maintenance modes
Operation
[Normal operation]
Hot System Maintenance
[Active for work (system)]
For maintenance work performed while the system
power is on
Hot Partition Maintenance
[Active for work (partition)]
For maintenance work performed while the target
partition power is on
[Partition stopped for maintenance]
For maintenance work performed while the system
power is on and the maintenance target partition
Cold System Maintenance (breaker on)
[Stopped for work (standby)]
For maintenance work performed while the system
power is off and the AC power supply is on
Cold System Maintenance (breaker off)
[Stopped for work (AC off)]
For maintenance work performed while the system
power is off and the AC power supply is off
TABLE 10.2 Maintenance mode functions
mode
Partition
System
System
(breaker
System
(breaker
supply
operatio
Stops at
BIOS
Stops at
BIOS
Stops at
BIOS
Stops at
BIOS
*1 This pertains only to the maintenance target partition.
*2 Suppresses the REMCS report upon system failure (but reports partition failures).
10.1.4 Maintenance of the MMB
If the server with single MMB fails in MMB, take actions below.
1. Shut down the operating system (LAN) from a remote terminal. (*1)
2. Turn off the chassis AC power.
3. Replace the MMB.
4. Turn on the chassis AC power.
(*1) If you use only port of MMB to login the operating system, it is recommended to duplicate MMB. If MMB
fails, you cannot login to the operating system.
Remarks
In a single MMB configuration, hot replacement of the MMB is not possible.
10.1.5 Maintenance of the PCI_BOX (PEXU)
The following concerning maintenance when PCI box (PEXU).
1. The system administrator stops all partitions that belong to the maintenance object.