136 IBM Eserver xSeries 455 Planning and Installation Guide
4.2.4 Deleting a scalable partition
Complete the following steps to delete the scalable partition:
1. Start the Configuration/Setup Utility on the primary server.
2. From the main menu, select Advanced Setup.
3. Select Scalable Partition Settings.
4. Select either Delete ALL Scalable Partition Settings or Delete Local
Scalable Partition Settings.
5. Exit the Configuration/Setup Utility program.
6. Turn off the servers.
7. If necessary, remove the SMP Expansion cables.
8. Restart the servers.
Error messages
When one of the scalability cables is not connected or faulty you will see the
following error message:
9912 - Scalability cable fault on port 3, check cable, performance
degraded
4.3 Installing Windows Server 2003
In this section, we guide you through the installation procedure for Windows
Server 2003, Enterprise Edition and Datacenter Edition on the x455. The
installation for each version is the same. It is also the same on a single node or
multinode partition. We will simply refer to Windows Server 2003, which will apply
to both editions.
We assume that you are familiar with the installation of Windows Server in the
IA-32 platform, so we will highlight the important information and installation
procedures that are specific to the 64 bit platform and x455.
4.3.1 Important information
There are a number of things you should consider before starting the installation.
These are detailed below.
Important: Do not select Write Scalable Partition Settings when you
delete the scalable partition.
Chapter 4. Installation 137
Microsoft Reserved Partition
The Microsoft Reserved Partition (MSR partition) reserves space on each disk
drive for subsequent use by the operating system software. For example,
dynamic disk configuration is stored in the MSR partition.
During the installation, the MSR partition is automatically created. When initially
created, the size of the MSR partition depends on the size of the disk drive:
On drives less than 16 GB in size, the MSR partition is 32 MB.
On drives greater than or equal to 16 GB, the MSR partition is 128 MB.
Every GPT disk used by Windows must contain an MSR partition. The order of
the partitions on the disk should be ESP (if the disk is a boot disk), MSR partition,
primary data partition(s). It is particularly important that the MSR partition is
created before other primary data partitions.
The order of partitions on the Windows boot disk is shown in Figure 4-39.
Figure 4-39 Windows boot GPT disk structure
For information on the partitioning required by a Windows 64-bit installation, see:
http://www.microsoft.com/technet/prodtechnol/winxppro/reskit/prkb_cnc_helm.asp
GPT disks
The dynamic disk concept introduced in Windows 2000 is not affected by
introducing GUID Partition Table (GPT) disks in Windows Server 2003. Both
Master Boot Record (MBR) and GPT disks can be present in a single dynamic
disk group. Volume sets can span both MBR and GPT disks.
Note: Each Windows boot drive must contain an ESP, an MSR partition, and
at least one basic data partition that contains the operating system. Each GPT
data drive must contain at least an MSR partition and one basic data partition.
The MSR partition is not accessible to the operating system users by any
means.
EFI
System
Partition
(ESP)
Microsoft
Reserved
Partition
(MSR)
Data partition(s)
Protective MBR
GUID Partition Table

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