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CHAPTER 3 Component Configuration and Replacement (Add, Remove)
3.3 Replacing components
49
C122-E175-01EN
Since there may be a time deviation after the Home SB is replaced, set the time in the operating system
when the NTP is not used.
IOU_1GbE/IOU_10GbE
If the DR function (IOU hot remove and IOU hot add) is used, the IOU_1GbE and IOU_10GbE can be
replaced even if the partition that uses the IOU_1GbE/IOU_10GbE is powered on. If the DR function is not
used, then the replacement is possible when the partition that uses the IOU_1GbE/IOU_10GbE is powered
off.
DU
DU can be replaced when the status of the partition that uses the DU to be replaced is powered off.
MMB
In a system with two MMBs installed, hot replacement can be used to replace an MMB when the system
continues operating. Basically, the faulty MMB (Standby MMB) can simply be replaced since a faulty MMB
would have been switched with a standby MMB. To replace the active MMB, switch it with the standby MMB
before replacing it. The replacement does not affect control and monitoring in the system.
3.3.3 Replacement procedures in hot maintenance
This section describes the procedures before and after replacement in hot maintenance.
Procedure before replacement
See ‘7.1.2 Power off of Partitions’ in “PRIMEQUEST 2000 series Installation Manual” (C122-E174) and stop
the relevant partition.
Procedure after replacement
See ‘7.1.1 Power on of partitions’ in “PRIMEQUEST 2000 series Installation Manual” (C122-E174) stop the
relevant partition following the
3.3.4 Replacement procedures in cold maintenance
This section describes the procedures before and after replacement in cold maintenance.
Procedure before replacement
Stop all the partitions.
Procedure after replacement
Start the relevant partition.
3.3.5 Replacing the battery backup unit of the uninterrupted power
supply unit (UPS)
This section describes the procedure for replacing the battery backup unit of the UPS. The UPS battery is
regularly replaced and the life cycle is monitored by the RAS support service.
RAS support service monitors the life cycle and notifies the message as shown below.
TABLE 3.11 Replacement notification messages RAS support service (UPS)
Start time for notifying messages for advance
notification of replacement
Replacement message
notification time
About 1 year and 9 months from the start of use or
replacement of the battery
After about 2 years
For details on the RAS support service, see ‘RAS Support Service User Guide’.
3.3.6 Replacing the PCI SSD card
This section describes the procedure for replacing the PCI SSD card.
Note
The PCI SSD card does not support hot replacement. Stop the partition before replacing.