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Configuring SCSI controller and internal disks

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Configuring SCSI controller and internal disks This option allows you to configure the SCSI Controller. Typically the only option that would be changed is the RAID configuration. The internal LSI SCSI/RAID controller can treat the internal disks in two different ways: As two standalone disks As two parts of a RAID-1 array Both ways are supported for operating system installation, although installing on the single non-redundant disk is not recommended. RAID-1 is the only possible redundant configuration consisting of a single logical drive spanning the two disks. There is no way to create multiple logical volumes or hot spares. Using the embedded LSI controller allows the content of the primary disk (the disk marked as Primary in the Mirroring Properties menu) to stay intact. The contents are copied to the secondary disk during the first synchronization. This feature means that the installation of the operating system and the creation of the mirror can normally be done in any order (see warning below). Warning: Even though it is possible to preserve the contents of the primary disk after the mirror creation, this is only possible if the disk is not full. Full means the whole disk is partitioned; it does not have to have any data. If the disk is full then data cannot be saved and the contents of the primary disk will be lost. We strongly recommend that you configure the RAID options before the installation of the operating system. The following steps describe the process of creating a RAID-1 array. 1. Select the Driver number for the SCSI Controller. The following screen will be displayed (Figure 4-8 on page 104). Chapter 4. Installation 105

Section	Page
Front cover	1
Contents	5
Notices	9
Trademarks	10
Preface	11
The team that wrote this redbook	11
Become a published author	13
Comments welcome	14
Chapter 1. Technical description	15
1.1 Features	16
1.1.1 Comparing the x455 with the x450	16
1.1.2 Features not supported	17
1.2 The x455 base models	18
1.2.1 Front and rear views	18
1.3 System assembly	20
1.4 IBM XA-64 chipset	21
1.4.1 The processor-board assembly	23
1.4.2 The memory-board assembly	27
1.4.3 PCI-X board assembly	31
1.5 Remote Supervisor Adapter	33
1.6 RXE-100 Expansion Enclosure	35
1.7 Multinode scalable partitions	36
1.7.1 RXE-100 connectivity	38
1.7.2 Multinode configuration	39
1.7.3 Integrated I/O function support	40
1.7.4 Error recovery	40
1.8 Redundancy	41
1.9 Light path diagnostics	41
1.10 Extensible Firmware Interface	43
1.10.1 GUID Partition Table disk	45
1.10.2 EFI System Partition	47
1.10.3 EFI and the reduced-legacy concept	48
1.11 Operating system support	49
1.12 Enterprise X-Architecture	49
1.12.1 NUMA architecture	50
Chapter 2. Positioning	53
2.1 Migrating to a 64-bit platform	54
2.2 Scalable system partitioning	55
2.2.1 RXE-100 Expansion Enclosure	56
2.3 Operating system support	56
2.4 Server consolidation	57
2.5 ServerProven®	58
2.6 IBM Datacenter Solution Program	59
2.7 Application solutions	60
2.7.1 Database applications	60
2.7.2 Business logic	62
2.7.3 e-Business and security transactions	64
2.7.4 In-house developed compute-intensive applications	65
2.7.5 Science and technology industries	65
2.8 Why choose x455	66
Chapter 3. Planning	69
3.1 System hardware	70
3.1.1 Processors	70
3.1.2 Memory	71
3.1.3 PCI-X slot configuration	75
3.1.4 Broadcom Gigabit Ethernet controller	78
3.2 Cabling and connectivity	79
3.2.1 SMP Expansion connectivity	81
3.2.2 Remote Expansion Enclosure connectivity	84
3.2.3 Remote Supervisor Adapter connectivity	90
3.2.4 Serial connectivity	92
3.3 Storage considerations	93
3.3.1 xSeries storage solutions	93
3.3.2 Tape backup	98
3.4 Rack installation	99
3.5 Power considerations	101
3.6 Operating system support	101
3.6.1 Clustering	102
3.7 IBM Director support	103
3.8 Solution Assurance Review	104
3.8.1 Trigger Tool	104
3.8.2 Electronic Solution Assurance Review (eSAR)	104
Chapter 4. Installation	105
4.1 Using The Extensible Firmware Interface	106
4.1.1 EFI Firmware Boot Manager	107
4.1.2 The EFI shell	109
4.1.3 Driver Setup	117
4.1.4 Flash update	126
4.1.5 Configuration/Setup utility	132
4.1.6 Diagnostic utility	135
4.1.7 Boot Option Maintenance	136
4.2 Configuring scalable partitions	145
4.2.1 Creating a scalable partition	145
4.2.2 Booting a scalable partition	148
4.2.3 Multiple Monitors	149
4.2.4 Deleting a scalable partition	150
4.3 Installing Windows Server 2003	150
4.3.1 Important information	150
4.3.2 Preparing to install	152
4.3.3 Installation	153
4.3.4 Post-setup phase	158
4.4 Installing Linux	165
4.4.1 Linux IA-64 kernel overview	166
4.4.2 Choosing a Linux distribution	167
4.4.3 Installing SUSE LINUX Enterprise Server 8.0	170
4.4.4 Installing Red Hat Enterprise Linux AS	174
4.4.5 Linux boot process	176
4.4.6 Information about the installed system	177
4.4.7 Using the serial port for the Linux console	185
4.4.8 RXE-100 Expansion Enclosure	186
4.4.9 Upgrading drivers	187
Chapter 5. Management	189
5.1 IBM Director	190
5.1.1 Scalable Systems Manager	191
5.2 The Remote Supervisor Adapter	191
5.2.1 Connecting via a Web browser	193
5.2.2 Connecting via the ASM interconnect	198
5.2.3 Installing the device driver	199
5.2.4 Configuring the remote control password	200
5.3 Management using the Remote Supervisor Adapter	201
5.3.1 Configuring which alerts to monitor	202
5.3.2 Configuring SNMP	204
5.3.3 Sending alerts directly to IBM Director	205
5.3.4 Creating a test event action plan in IBM Director	207
5.4 Windows System Resource Manager	210
5.4.1 WSRM description	211
5.4.2 WSRM features	212
5.4.3 WSRM in the x455	213
Abbreviations and acronyms	215
Related publications	217
IBM Redbooks	217
Other publications	217
Online resources	218
How to get IBM Redbooks	222
Help from IBM	222
Index	223

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Chapter 4. Installation

105

Configuring SCSI controller and internal disks

This option allows you to configure the SCSI Controller. Typically the only option

that would be changed is the RAID configuration. The internal LSI SCSI/RAID

controller can treat the internal disks in two different ways:

As two standalone disks

As two parts of a RAID-1 array

Both ways are supported for operating system installation, although installing on

the single non-redundant disk is not recommended.

RAID-1 is the only possible redundant configuration consisting of a single logical

drive spanning the two disks. There is no way to create multiple logical volumes

or hot spares.

Using the embedded LSI controller allows the content of the primary disk (the

disk marked as Primary in the Mirroring Properties menu) to stay intact. The

contents are copied to the secondary disk during the first synchronization. This

feature means that the installation of the operating system and the creation of the

mirror can normally be done in any order (see warning below).

The following steps describe the process of creating a RAID-1 array.

Select the Driver number for the SCSI Controller. The following screen will be

displayed (Figure 4-8 on page 104).

Warning:

Even though it is possible to preserve the contents of the primary

disk after the mirror creation, this is only possible if the disk is not full. Full

means the whole disk is partitioned; it does not have to have any data. If the

disk is full then data cannot be saved and the contents of the primary disk will

be lost. We strongly recommend that you configure the RAID options before

the installation of the operating system.