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Interconnect Adapters, Redundant Interconnects

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Architecture of the Compaq ProLiant Clusters HA/F100 and HA/F200 1-13 For more information about Compaq-recommended interconnect strategies, refer to the White Paper, "Increasing Availability of Cluster Communications in a Windows NT Cluster," available from the Compaq High Availability website (http://www.compaq.com/highavailability). Interconnect Adapters Ethernet adapters, or Compaq ServerNet adapters, can be used for the interconnect between the servers in a Compaq ProLiant Cluster. Either 10Mb/sec, or 100Mb/sec, Ethernet may be used. ServerNet adapters have built-in redundancy and provide a high-speed interconnect with 100MB/sec aggregate throughput. Ethernet adapters can be connected together using an Ethernet crossover cable or a private Ethernet hub. Both of these options provide a dedicated interconnect. Implementing a direct Ethernet or ServerNet connection minimizes the potential single points of failure. Redundant Interconnects To reduce potential disruptions of intracluster communication, use a redundant path over which communication can continue if the primary path is disrupted. Compaq recommends configuring the client LAN as a backup path for intracluster communication. This provides a secondary path for the cluster heartbeat in case the dedicated primary path for intracluster communications fails. This is configured when installing the cluster software, or it can be added later using the MSCS Cluster Administrator. It is also important to provide a redundant path to the client LAN. This can be done by using a second NIC as a hot standby for the primary client LAN NIC. There are two ways to achieve this, and the method you choose is dependent on your hardware. One way is through use of the Redundant NIC Utility available on all Compaq 10/100 Fast Ethernet products. The other option is through the use of the Network Fault Tolerance feature designed to operate with the Compaq 10/100 Intel silicon-based NICs. These features allow two NICs to be configured so that one is a hot backup for the other. For detailed information about interconnect redundancy, refer to the Compaq White Paper, "Increasing Availability of Cluster Communications in a Windows NT Cluster," available from the Compaq High Availability website (http://www.compaq.com/highavailability).

Section	Page
Compaq ProLiant Clusters HA/F100 and HA/F200	1
Notice	2
Contents	3
About This Guide	8
Audience	8
Scope	9
Text Conventions	10
Symbols in Text	11
Getting Help	11
Compaq Technical Support	11
Compaq Website	12
Compaq Authorized Reseller	12
Chapter 1: Architecture of the Compaq ProLiant Clusters HA/F100 and HA/F200	13
Overview of Compaq ProLiant Clusters HA/F100 and HA/F200 Components	13
Compaq ProLiant Cluster HA/F100	15
Compaq ProLiant Cluster HA/F200	17
Compaq ProLiant Servers	19
Compaq StorageWorks RAID Array 4000 Storage System	19
Compaq StorageWorks RAID Array 4000	20
Compaq StorageWorks Fibre Channel Storage Hubs	21
Compaq StorageWorks RA4000 Controller	21
Compaq StorageWorks Fibre Channel Host Adapter	22
Gigabit Interface Converter-Shortwave	22
Cables	22
Cluster Interconnect	24
Client Network	24
Private or Public Interconnect	24
Interconnect Adapters	25
Redundant Interconnects	25
Microsoft Software	26
Compaq Software	26
Compaq SmartStart and Support Software CD	27
Compaq Redundancy Manager (Fibre Channel)	28
Compaq Cluster Verification Utility	28
Compaq Insight Manager	29
Compaq Insight Manager XE	30
Compaq Intelligent Cluster Administrator	30
Resources for Application Installation	31
Chapter 2: Designing the Compaq ProLiant Clusters HA/F100 and HA/F200	32
Planning Considerations	33
Cluster Configurations	33
Cluster Groups	39
Reducing Single Points of Failure in the HA/F100 Configuration	44
Enhanced High Availability Features of the HA/F200	53
Capacity Planning	57
Server Capacity	58
Shared Storage Capacity	60
Load Balancing	63
Network Considerations	65
Network Configuration	65
Migrating Network Clients	66
Failover/Failback Planning	68
Performance After Failover	68
MSCS Thresholds and Periods	69
Failover of Directly Connected Devices	70
Manual vs. Automatic Failback	71
Failover and Failback Policies	71
Chapter 3: Setting Up the Compaq ProLiant Clusters HA/F100 and HA/F200	74
Preinstallation Overview	74
Preinstallation Guidelines	76
Installing the Hardware	79
Setting Up the Nodes	79
Setting Up the Compaq StorageWorks Raid Array 4000 Storage System	81
Setting Up a Private Interconnect	83
Setting Up a Public Interconnect	85
Redundant Interconnect	85
Installing the Software	86
Assisted Integration Using SmartStart (Recommended)	86
Manual Installation Using SmartStart	92
Compaq Intelligent Cluster Administrator	95
Installing Compaq Intelligent Cluster Administrator	95
Additional Cluster Verification Steps	96
Verifying the Creation of the Cluster	96
Verifying Node Failover	97
Verifying Network Client Failover	98
Chapter 4: Upgrading the HA/F100 to an HA/F200	100
Preinstallation Overview	100
Materials Required	101
Upgrade Procedures	102
Chapter 5: Managing the Compaq ProLiant Clusters HA/F100 and HA/F200	104
Managing a Cluster Without Interrupting	105
Managing a Cluster in a Degraded	105
Managing Hardware Components	106
Managing Network Clients Connected	106
Managing a Cluster’s Shared Storage	107
Remotely Managing a Cluster	107
Viewing Cluster Events	107
Modifying Physical Cluster Resources	108
Removing Shared Storage System	108
Adding Shared Storage System	108
Adding or Removing Shared Storage Drives	110
Physically Replacing a Cluster Node	112
Backing Up Your Cluster	113
Managing Cluster Performance	114
Compaq Redundancy Manager	115
Changing Paths	116
Other Functions	117
Compaq Insight Manager	118
Cluster-Specific Features of Compaq Insight	119
Compaq Insight Manager XE	120
Cluster Monitor	121
Compaq Intelligent Cluster Administrator	123
Monitoring and Managing an Active Cluster	123
Managing Cluster History	124
Importing and Exporting Cluster Configurations	124
Microsoft Cluster Administrator	125
Chapter 6: Troubleshooting the Compaq ProLiant Troubleshooting the Compaq ProLiant	126
Installation	127
Troubleshooting Node-to-Node Problems	130
Shared Storage	132
Client-to-Cluster Connectivity	137
Cluster Groups and Cluster Resource	141
Troubleshooting Compaq Redundancy Manager	142
Event Logging	142
Informational Messages	142
Warning Message	145
Error Messages	145
Other Potential Problems	147
Appendix A: Cluster Configuration Worksheets	148
Overview	148
Cluster Group Definition Worksheet	149
Shared Storage Capacity Worksheet	150
Group Failover/Failback Policy Worksheet	151
Preinstallation Worksheet	152
Appendix B: Using Compaq Redundancy Manager in a Single-Server Environment	153
Overview	153
Installing Redundancy Manager	156
Automatically Installing Redundancy Manager	156
Manually Installing Redundancy Manager	157
Managing Redundancy Manager	158
Changing Paths	159
Expanding Capacity	160
Other Functions	161
Troubleshooting Redundancy Manager	161
Overview	162
Informational Messages	162
Warning Message	164
Error Messages	165
Troubleshooting Redundancy Manager	168
Troubleshooting Potential Problems	168
Appendix C: Software and Firmware Versions	169
Glossary	171

Match case Limit results 1 per page

Architecture of the Compaq ProLiant Clusters HA/F100 and HA/F200

1-13

For more information about Compaq-recommended interconnect strategies,

refer to the White Paper, “Increasing Availability of Cluster Communications

in a Windows NT Cluster,” available from the Compaq High Availability

website (

http://www.compaq.com/highavailability)

Interconnect Adapters

Ethernet adapters, or Compaq ServerNet adapters, can be used for the

interconnect between the servers in a Compaq ProLiant Cluster. Either

10Mb/sec, or 100Mb/sec, Ethernet may be used. ServerNet adapters have

built-in redundancy and provide a high-speed interconnect with 100MB/sec

aggregate throughput.

Ethernet adapters can be connected together using an Ethernet crossover cable

or a private Ethernet hub. Both of these options provide a dedicated

interconnect.

Implementing a direct Ethernet or ServerNet connection minimizes the

potential single points of failure.

Redundant Interconnects

To reduce potential disruptions of intracluster communication, use a redundant

path over which communication can continue if the primary path is disrupted.

Compaq recommends configuring the client LAN as a backup path for

intracluster communication. This provides a secondary path for the cluster

heartbeat in case the dedicated primary path for intracluster communications

fails. This is configured when installing the cluster software, or it can be added

later using the MSCS Cluster Administrator.

It is also important to provide a redundant path to the client LAN. This can be

done by using a second NIC as a hot standby for the primary client LAN NIC.

There are two ways to achieve this, and the method you choose is dependent

on your hardware. One way is through use of the Redundant NIC Utility

available on all Compaq 10/100 Fast Ethernet products. The other option is

through the use of the Network Fault Tolerance feature designed to operate

with the Compaq 10/100 Intel silicon-based NICs. These features allow two

NICs to be configured so that one is a hot backup for the other.

For detailed information about interconnect redundancy, refer to the Compaq

White Paper, “Increasing Availability of Cluster Communications in a

Windows NT Cluster,” available from the Compaq High Availability website

(

http://www.compaq.com/highavailability

)