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HP Tc4100 - Server - 256 MB RAM Configuration Manual

Hp mc/serviceguard for linux configuration guide for hp netservers.
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HP MC/ServiceGuard for Linux
Introduction
This document defines the server cluster configurations supported by Hewlett-Packard for interconnection
of specified HP IA-32 Servers and HP Rack Storage/12 disk drive enclosure(s), Surestore Virtual Array or
Surestore XP disk arrays with HP MC/ServiceGuard for Linux high availability clustering middleware.
These configurations provide high server cluster availability and minimize single points of failure (SPOFs).
A configuration certified and supported by Hewlett-Packard should be adhered to. Deviations from the
supported configurations can result in an inoperative cluster, an operating cluster with degraded
performance, or hidden SPOFs. Therefore, deviations are not supported.
What's new?
MC/ServiceGuard for NAS 8000
Disaster Tolerant Solution for Linux
8-node FibreChannel configuration support
New IA-32 Server: TC4100
New storage: VA7400, XP128, XP1024
Autopath support
Cluster Configuration Elements
This section idetifies the hardware components, system software, network interfaces, and power
distribution arrangement required to build an operational server cluster supported by Hewlett-Packard. The
various server cluster elements are listed below, and their associated configuration data is detailed in
separate tables and illustrations that follow.
System Software
MC/ServiceGuard for Linux
ServiceGuard Distributed Components
Hardware Components
Servers (For cluster and Quorum Server)
Storage & storage switch
Configurations
SCSI
FibreChannel
Power distribution
MC/ServiceGuard for Linux
Description
Multi-Computer/ServiceGuard (MC/ServiceGuard) for Linux is a specialized facility for protecting mission
critical applications from hardware and software failures. With MC/ServiceGuard for Linux, multiple
nodes (systems) are organized into a cluster that is capable of delivering highly available application
Cluster Configuration Guide

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   Summary of Contents for HP Tc4100 - Server - 256 MB RAM

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    These configurations provide high server cluster availability and minimize single points of failure (SPOFs). A configuration certified and supported by Hewlett-Packard should be adhered to. Deviations from the supported configurations can result in an inoperative cluster, an operating cluster with degraded performance, or hidden SPOFs.

  • Page 2

    services to LAN attached clients. Features MC/ServiceGuard monitors the health of various components within each node and quickly responds to failures in a way that eliminates or minimizes application downtime. MC/ServiceGuard is able to detect and respond to failures in: System memory System and application processes LAN media and adapters...

  • Page 3

    M. SG install tool - CD#2: ServiceGuard Distributed Components CD A. ServiceGuard Manager (HP-UX, Linux, Windows) B. ServiceGuard Manager Release Notes (English, Japanese, Simplified Chinese, Traditional Chinese, Korean) C. Quorum Server (Linux) D. MC/ServiceGuard Quorum Server Release Note (English) MC/ServiceGuard for Linux NFS Toolkit Included in the MC/ServiceGuard for Linux CD is the MC/ServiceGuard NFS Toolkit for Linux which is a separate set of shell scripts, and a binary file that allow you to configure ServiceGuard packages that mount highly available networked file systems.

  • Page 4

    [Note: For the first release, a MC/ServiceGuard for Linux cluster can only be monitored with ServiceGuard Manager, unless the ServiceGuard Manager client is connected to a HP-UX ServiceGuard server which is on the same subnet as the ServiceGuard Linux nodes.] Status Definitions ServiceGuard Manager uses color-coded icon borders and badges to show status information about the clusters, nodes, and packages.

  • Page 5

    ServiceGuard Manager Hardware and Software Requirements HP-UX Management Station HP-UX 11.0 or later 256 MB of available memory 65 MB of available hard disk space under /opt 1 MB of additional hard disk space under /usr 1 MB of available hard disk space under /etc/opt/OV if HP OpenView has been installed 15 MB of additional hard disk space under /var for log files PC Management Station Windows NT 4.0 (Service Pack 5 or later), Windows 2000 Professional Edition...

  • Page 6

    Rack Storage 12 SCSI Card C (D6025C) added per RS/12 Supported disks: o Hewlett-Packard Ultra3 SCSI Hot-Swap Disk Drives compatible with Rack Storage/12: P1168A, P1166A, D9421A, D9419A, D9422A, P3577A, and D9420A. New disk drives may be added to this list as they are released.

  • Page 7

    Note: Please contact your HP Storage representative for the latest firmware revision for switch connectivity support on Linux. Note: The emulex driver is delivered in arbitrated loop mode. If switches are set in fabric mode then the driver paramters need to be changed to match. This is documented at the emulex web site: http://www.emulex.com/.

  • Page 8

    SCSI Configuration This is HP’s recommended cluster configuration for SCSIwith redundant network for data. Quorum Server Dedicated Data & LAN (bonding) P3413A P3413A P3413A P3413A RS/12C (1) D5989C RS/12C (2)

  • Page 9

    FiberChannel Configuration This is HP’s recommended cluster configuration for FibreChannel with redundant network for data. Quorum Server Dedicated & Data LAN (Bonding) Supported Supported Supported Supported IA-32 Server IA-32 IA-32 Server IA-32 Server Brocade Switch Brocade Switch Supported Supported Storage Storage Device Device...

  • Page 10

    Networking MC/ServiceGuard for Linux supports redundant networks, even though these are not shown in the diagrams. The redundant client network connections allow local failover from one NIC to another in case of a network path failure. These connections must be on the same subnet. This can be implemented through the use of Virtual LAN support in the network switches.

  • Page 11

    LAN connections and the SCSI adapters. There needs to be a minimum of 3 LAN connections per server (1 heartbeat and 2 public) and 2 SCSI adapters. In the examples, integrated LANs are used when possible. The table has 5 sections, one for each server, a storage section and a section for the rack components. The first server is a dual processor LC2000r with 1GHz Pentium III processors.

  • Page 12

    HP IA-32 Server R/S 12 - U.S. - English localization D5989C ABA HP Rack Storage 12 SCSI Card C D6025C HP 36.4GB 15K Ultra3 SCSI HS LP HDD D9422A HP SCSI Cable, 2.5m D3636C Rack Components HP Rack System/E41 with rear door & foot J1500B HP Side Panel Kit for HP Rack System/E41 J1506A...

  • Page 13

    An LP2000r is used as a Quorum Server in this example. It was picked over the LP1000r in this example as it has redundant power supplies. The Quorum Server can be any of the supported HP IA-32 Servers listed earlier in this guide, although two network connections are recommended. No details are shown for LAN connection to switches.

  • Page 14

    HP 18.2GB 10K Ultra3 Wide SCSI HS LP HD P2473A HP LP2000r Redundant Power Supply- U.S. - English localization P2498A ABA Storage Subsystem Virtual Array 7100 bundle A6262AE HP SP Install/Start-Up VA7100 Dual Ctrl H7550A or H7550E Enterprise Class 36GB 15K RPM FC HDD A6193A Disk Slot filler panel.

  • Page 15

    HP IA-32 Server LT6000r PIIIX-900 2M M1 U3 - U.S. - English localization P1821B ABA HP PIII Xeon 900 2MB CPU Upgrade for LH6000 LT6000 P3455A HP 1GB 133MHz ECC SDRAM DIMM D8268A HP 10/100 IPSec 3-DES LAN Adapter P3492A HP 36.4GB 15K Ultra3 SCSI HS LP HDD D9422A HP 128MB unbuffered SDRAM DIMM...

  • Page 16

    Uninterruptible Power Supplies (UPS) It is recommended that a UPS be used for each power circuit or that a site UPS be used. If a site UPS is used, then analysis should be done to insure that loss of one circuit does not cause the failure of more than 50% of the nodes.

  • Page 17

    Cluster Topology and Geography The current maximum number of nodes supported is 8. A quorum server node is required to provide quorum service to the cluster. It provides arbitration services for the cluster when a cluster partition is discovered. A node running the Quorum Server cannot be a member of any cluster that it is providing cluster quorum services to.

  • Page 18

    Quorum Server In the current release of MC/SG for Linux, the Quorum Server has to be on the same subnet as the cluster nodes. Since only one IP address can be configured for a Quorum Server, it is suggested to configure the LAN used for the Quorum Server IP address with two or more physical LAN cards using Channel Bonding to improve the availability of the Quorum Server if a LAN card failure occurs.

  • Page 19

    Figure 1 Recommended Configuration with Three Data Centers Channel Clients Bonding connections Clients connections Network Network Switch Switch Third Site DWDM DWDM Clients Clients Dedicated connections DWDM DWDM connections Dedicated Heartbeat Heartbeat link link Network Network Network Network Network Switch Switch Switch Network...

  • Page 20

    Figure 2 Minimum Supported Configuration with Two Data Centers Primary Data Center 2 Channel Primary Data Center 1 Bonding Dedicated Clients Clients Heartbeat Dedicated link Heartbeat link Network Network Network Network Switch Switch Switch Switch Network Network Switch Switch Cluster Heartbeat, Client network, CA connections Node...

  • Page 21

    LT6000r LXr8500 TC4100 HP Surestore Disk Array Requirements HP Surestore Disk Array XP48 and XP512 with microcode version 01.11.22.00/00 or later HP Surestore Disk Array XP128 and XP1024 with microcode version 21.01.02.00/00 or later Software Requirements The solution required the following software versions: Red Hat version 7.1 distribution, which uses a Linux 2.4.2-2 kernel MC/ServiceGuard for Linux Version A.11.13 Quorum Server Version A.01.00...

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