Fujitsu PRIMEQUEST 2000 Series Administration Manual page 86

CHAPTER 3 Component Configuration and Replacement (Add, Remove)
3.2 High availability configuration
Source SB Memory Operation
Mode
Mirror
Spare
*1: DIMM configuration wherein both the Normal Mode and the Mirror Mode can be set. In case of one CPU,
8, 16 or 24 DIMMs are mounted, and in case of two CPUs, 16, 32 or 48 DIMMs are mounted.
*2: DIMM configuration wherein the Normal Mode, the Mirror Mode and the Spare Mode can be set. In case
of one CPU, 24 DIMMs are mounted, and in case of two CPUs, 48 DIMMs are mounted.
Notes on Windows
The operating system may not start at the first startup after an SB is switched to the Reserved SB in a
partition running Windows. Set Windows to automatically restart to set the Reserved SB in the partition
running Windows.
For details on the setting, see'11.4.3 Dump environment setting (Windows) ', and check the [Automatically
restart] check box of 'FIGURE11.14 [Startup and Recovery] dialog box'.
Consider the time taken to restart, if the SB failure results in the suspension of work for the above stated
reason. The restart will require twice the length of the time, since a restart is needed after the switching to the
Reserved SB and the subsequent initial startup.
However, the following workaround can suppress the restart request.
Workaround for Windows restart
In the PRIMEQUEST 2000 series, the restart request can be suppressed by identifying the Reserved SB in
advance.
Execute the following procedures for all the partitions with Windows installed.
When these workaround steps are executed, restart is not requested when there is a switching to the
Reserved SB due to SB failure.
1. Shutdown the partition after completing the installation of Windows.
2. Remove one SB from the partition by using the MMB Web-UI. When there are multiple SBs, any SB can
be removed.
For details, see 'Removal of SB and IOU' of' 3.4.1 Partition Configuration Setting' in "PRIMEQUEST 2000
series Installation Manual" (CA92344-0536).
3. Add the SB of the Reserved SB to the partition.
For details, see 'Adding an SB/IOU' of 3.4.1 Partition Configuration Setting' in "PRIMEQUEST 2000
series Installation Manual" (CA92344-0536).
4. Power on the partition and start the Windows.
5. Log in with Administrator privilege. After the message that the system must be restarted is displayed on
the window, follow the instructions and restart the system.
6. Shutdown the system after restarting the Windows has been completed.
7. Using the MMB Web-UI, remove the SB of the Reserved SB, which was added in Step 3.
8. Add the SB removed in Step 2, to the partition.
Notes on VMware
In a process of switching to the Reserved SB in the partition running VMware, the guest operating system
may not start at the first restart after the switch over.
Set the guest operating system to automatically restart, and the Blue Window Timeout items when setting
Reserved SB in a partition running VMware.
For details on the setting, see the VMware Manual.
Switching rules
Switching rules for the Reserved SB are as follows.
- Determining the switching source SB
SB DIMM configuration for Reserved
SB
Normal
Mirror
Spare
Normal or Mirror (*1)
Normal or Mirror or Spare (*2)
Normal
Mirror
Spare
Normal or Mirror (*1)
Normal or Mirror or Spare (*2)
60
Memory Operation Mode after
Reserved SB switching
Normal
Mirror
Spare
Mirror
Mirror
Normal
Mirror
Spare
Normal
Spare
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