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RXE-100 Expansion Enclosure

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1.6 RXE-100 Expansion Enclosure The attachment of an RXE-100 Remote Expansion Enclosure is also supported. These are supported in a number of configurations with some configurations offering redundancy. The RXE-100 is connected to the x455 via one or two remote I/O cables and has a throughput of 1 GBps. It is available as standard with six PCI-X slots available but is upgradable to 12 PCI-X slots, giving you up to a total of 12 PCI-X or 18 PCI-X slots, respectively. In a multinode configuration an RXE-100 can be shared by two machines. This allows a total of one RXE-100 in a 2-node partition and two RXE-100s in a 4-node partition. For systems configured for RXE failover, one of the RXE Expansion Port connections may fail at either runtime or boot time and the system will continue to operate properly. Failover capability requires the RXE-100 to be configured with 12 slots, be configured in unified (that is, non-shared) mode, and have both RXE Expansion Ports connected. Runtime failures will be logged in the System Error Log. The broken connection is not re-established at runtime. A Reboot is required to recover failover capability. An RXE-100 connection also requires the connection of the RXE management port(s). There is no failover capability for RXE management port connections. Important: Although other combinations of attaching RXE-100s in a multinode partition will work, they are not supported configurations. The following connectivity options are supported: Connecting one 6-slot RXE to one x455 Connecting one 12-slot RXE to one x455 using one or (recommended) two data cables Sharing one 12-slot RXE between two independent x455s Connecting one RXE to a two-node x455, configured so as to share the slots between the nodes Connecting one RXE to a 4-node x455 (one RXE connected to two of the nodes, either nodes 1 and 2, or nodes 3 and 4) Connecting two RXEs to a 4-node x455 (one RXE connected to two of the nodes), configured so as to share the slots between nodes 1 and 2, and between nodes 3 and 4 See "Remote Expansion Enclosure connectivity" on page 70 for details. Chapter 1. Technical description 21

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 1. Technical description

1.6

RXE-100 Expansion Enclosure

The attachment of an RXE-100 Remote Expansion Enclosure is also supported.

These are supported in a number of configurations with some configurations

offering redundancy. The RXE-100 is connected to the x455 via one or two

remote I/O cables and has a throughput of 1 GBps. It is available as standard

with six PCI-X slots available but is upgradable to 12 PCI-X slots, giving you up to

a total of 12 PCI-X or 18 PCI-X slots, respectively. In a multinode configuration an

RXE-100 can be shared by two machines. This allows a total of one RXE-100 in

a 2-node partition and two RXE-100s in a 4-node partition.

For systems configured for RXE failover, one of the RXE Expansion Port

connections may fail at either runtime or boot time and the system will continue to

operate properly. Failover capability requires the RXE-100 to be configured with

12 slots, be configured in unified (that is, non-shared) mode, and have both RXE

Expansion Ports connected. Runtime failures will be logged in the System Error

Log. The broken connection is not re-established at runtime. A Reboot is

required to recover failover capability.

An RXE-100 connection also requires the connection of the RXE management

port(s). There is no failover capability for RXE management port connections.

The following connectivity options are supported:

Connecting one 6-slot RXE to one x455

Connecting one 12-slot RXE to one x455 using one or (recommended) two

data cables

Sharing one 12-slot RXE between two independent x455s

Connecting one RXE to a two-node x455, configured so as to share the slots

between the nodes

Connecting one RXE to a 4-node x455 (one RXE connected to two of the

nodes, either nodes 1 and 2, or nodes 3 and 4)

Connecting two RXEs to a 4-node x455 (one RXE connected to two of the

nodes), configured so as to share the slots between nodes 1 and 2, and

between nodes 3 and 4

See “Remote Expansion Enclosure connectivity” on page 70 for details.

Important:

Although other combinations of attaching RXE-100s in a

multinode partition will work, they are not supported configurations.