HP t2808-90006 - Manual

HP t2808-90006

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Table of Contents:

  • Page 2 – Legal Notices
  • Page 3 – Contents; Disaster Tolerance and Recovery in a Serviceguard Cluster
  • Page 4 – Disaster Scenarios and Their Handling
  • Page 7 – Printing History; NOTE
  • Page 8 – HP Printing Division:
  • Page 9 – Preface; Intended Audience; It is assumed that you are familiar with the following topics; Document Organization; The chapters of this guide include:
  • Page 11 – The following documents contain additional useful information:; Problem Reporting
  • Page 13 – Disaster Tolerance and Recovery in a Serviceguard Cluster; Chapter 1
  • Page 14 – Evaluating the Need for Disaster Tolerance
  • Page 16 – What is a Disaster Tolerant Architecture?; High Availability Architecture.; pkg A fails
  • Page 18 – Understanding Types of Disaster Tolerant Clusters; Extended Distance Clusters
  • Page 26 – — Maximum distance that guarantees a network latency of no more
  • Page 27 – Continental Cluster
  • Page 28 – Data Center A
  • Page 29 – — Storage subsystems implemented by CLX are also pre-integrated
  • Page 30 – Continental Cluster With Cascading Failover
  • Page 31 – Key Benefit
  • Page 34 – nodes for this release.
  • Page 35 – Dark Fiber
  • Page 36 – CLX XP or CLX EVA
  • Page 37 – Disaster Tolerant Architecture Guidelines; Protecting nodes through geographic dispersion; Protecting Nodes through Geographic Dispersion
  • Page 38 – Protecting Data through Replication; Off-line Data Replication
  • Page 40 – Replication consumes no additional CPU.; Disadvantages of physical replication in hardware are:
  • Page 42 – Writes are synchronous unless the link or disk is down.; Disadvantages of physical replication in software are:; Additional hardware is required for the cluster.; Logical Data Replication
  • Page 43 – node 1a; Network
  • Page 44 – For performance and data currency—physical data replication.; Using Alternative Power Sources
  • Page 45 – Creating Highly Available Networking
  • Page 46 – — T1 and T3: low end
  • Page 47 – Disaster Tolerant Cluster Limitations
  • Page 48 – Managing a Disaster Tolerant Environment; Implement automated or manual recovery?
  • Page 49 – Who manages the nodes in the cluster and how are they trained?
  • Page 50 – Additional Disaster Tolerant Solutions Information; On-line versions of HA documentation are available at
  • Page 51 – Chapter 2; “Types of Data Link for Storage and Networking” on page 52
  • Page 52 – Gigabit Ethernet Twisted Pair
  • Page 54 – Quorum Server running in a Serviceguard cluster
  • Page 56 – arbitration is not allowed in this configuration.
  • Page 57 – Rules for Separate Network and Data Links; No routing is allowed for the networks between the data centers.
  • Page 61 – Configuring your Environment for Software RAID; Chapter 3; “Understanding Software RAID” on page 62
  • Page 62 – Understanding Software RAID; Install the extended distance cluster software.
  • Page 63 – Installing the Extended Distance Cluster Software; Supported Operating Systems; Red Hat 4 U3 or later; Prerequisites; HP Serviceguard for Linux A 11.16.07 or higher; Installing XDC
  • Page 64 – Verifying the XDC Installation
  • Page 65 – will be listed. The
  • Page 66 – Configuring the Environment; Configure multipath for storage
  • Page 69 – Configuring Multiple Paths to Storage; You need to register with Hewlett-Packard to access this site.
  • Page 70 – The value to be set for; second
  • Page 71 – Using Persistent Device Names; may be renamed to
  • Page 72 – Creating a Multiple Disk Device; To Create and Assemble an MD Device
  • Page 75 – Found duplicate PV 9w3TIxKZ6lFRqWUmQm9tlV5nsdUkTi4i: using
  • Page 77 – Creating and Editing the Package Control Scripts; To Create a Package Control Script; xdcmd
  • Page 78 – Editing the raid.conf File
  • Page 80 – has elapsed, a package in; values. The discussion below is based on the timeline; RPO Target Definitions
  • Page 81 – parameter is greater
  • Page 83 – file to all nodes in the cluster. All the
  • Page 85 – Disaster Scenarios and Their Handling; Chapter 4
  • Page 86 – Clusters” on page 18 of this document.; Disaster Scenario
  • Page 88 – Disaster Scenarios and Their Handling (Continued)
  • Page 97 – Appendix A; Managing an MD Device; Following are the topics discussed in this chapter:
  • Page 98 – Viewing the Status of the MD Device; file. Following is the output; A status report obtained using the
  • Page 99 – Stopping the MD Device; file. To stop the MD; Stopping the MD Device; To stop the MD device
  • Page 100 – Starting the MD Device; To start the MD device, run the following command:; Starting the MD Device; To start the MD device
  • Page 101 – Removing and Adding an MD Mirror Component Disk
  • Page 102 – To remove a failed MD component disk from; Adding a Mirror Component Device; Adding a new disk as an MD component to; Following is an example of the status message displayed in the
  • Page 103 – Index
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HP Serviceguard Extended Distance

Cluster for Linux A.01.00 Deployment

Guide

Manufacturing Part Number: T2808-90006

May 2008 Second Edition

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Summary

Page 2 - Legal Notices

2 Legal Notices © Copyright 2006-2008 Hewlett-Packard Development Company, L.P. Publication Date: 2008 Valid license from HP required for possession, use, or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commerci...

Page 3 - Contents; Disaster Tolerance and Recovery in a Serviceguard Cluster

3 Contents 1. Disaster Tolerance and Recovery in a Serviceguard Cluster Evaluating the Need for Disaster Tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14What is a Disaster Tolerant Architecture? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Und...

Page 4 - Disaster Scenarios and Their Handling

Contents 4 Creating a Multiple Disk Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 To Create and Assemble an MD Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Creating Volume Groups and Configuring VG Exclusive Activa...

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