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Summary of Contents for Digital Equipment StorageWorks ESA10000
- Page 1 RA7000 / ESA10000 High Availability Solution Kit for HP-UX Installation Guide EK–HAHPU–MH. B01 Digital Equipment Corporation Maynard, Massachusetts...
- Page 2 Hewlett Packard and MC/ServiceGuard are registered trademarks of Hewlett Packard Corporation. The following are trademarks of Digital Equipment Corporation: DEC, RAID Array 7000 (RA7000), Enterprise Storage Array 10000 (ESA10000), HSZ70, StorageWorks, and the DIGITAL Logo. © Digital Equipment Corporation, 1998.
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Page 3: Table Of Contents
Revision Record About This Guide An Overview of the RAID High Availability Cluster Solution for HP-UX ...vii Defining a “Clustered Host Server” ... viii Audience ... viii Document Structure ... viii Associated Documents...x Conventions...xi Support and Services ...xi DIGITAL StorageWorks Web Site Address ...xii Getting Started RA7000 / ESA10000 (HA) Cluster Solution for HP-UX ROADMAP... - Page 4 Associated StorageWorks and HP Documents...x Style Conventions...xi 1–1 RAID RA7000 / ESA10000 for HP-UX - Cluster Prerequisites ... 1–1 1–2 RAID SCSI Connection Kit Contents (by kit number) ... 1–3 1–3 RAID Subsystem Basic Cluster (SCSI Bus) Layout Options ... 1–5...
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Page 5: Revision Record
This publication supports the StorageWorks RA7000 / ESA10000 Subsystem configured with or without a SCSI hub interconnect to two Hewlett Packard host servers running the HP-UX (Version 10.20 or later) operating system. The SCSI host adapters supported are HP models A28696A, A2969A and A4107A (all High Density 68-Pin compatible). -
Page 7: About This Guide
An Overview of the RAID High Availability Cluster Solution for HP-UX The RA7000 / ESA10000 Cluster solution for HP-UX enables two (or more) Hewlett Packard host servers to share a RAID storage subsystem through a SCSI bus, with MC/ServiceGuard cluster software. Should a failure on a host server occur, the failure is detected and the I/O is re-routed through to a functioning host server. -
Page 8: Defining A "Clustered Host Server
This guide provides a master procedural roadmap to establish a “basic” cluster of shared RAID storage, focusing on cluster hardware and software configuration tasks. It begins with a new, boxed RAID subsystem and two HP host servers. Procedures for expanding a cluster are also discussed. - Page 9 About This Guide Chapter 2: Cabling the RAID Subsystem Cluster Components This chapter describes the procedures for cabling a RAID subsystem to two HP host servers based on the cluster (SCSI) layout option selected in Chapter 1 of this guide. (Reference Appendix A if clustering more than two hosts or more than one RAID subsystem).
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Page 10: Associated Documents
Managing MC/ServiceGuard To Order HEWLETT PACKARD products To order Hewlett Packard MC/ServiceGuard cluster software/documentation, contact your local sales representative, or contact the HP Customer Support hotline at: US Customers: 1-800-633-3600 Hewlett Packard Customer Support can also be reached through electronic mail... -
Page 11: Conventions
To be input by the user. For emphasis, manual titles, utilities, menus, screens, and filenames. Screen text. Represents the HP system prompt. Do not type it as part of information to be input by the user. Local Sales Office / StorageWorks Hotline... - Page 12 RA7000 / ESA10000 High Availability Solution Kit for HP-UX Who to contact in Europe Information and Product Questions, Installation Support, and Installation: For Warranty Service For Remedial Service Who to contact in Asia Pacific For all services, contact the DIGITAL Distributor or reseller from whom the equipment was purchased.
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Page 13: Getting Started
This section contains a roadmap to serve as your master guide for establishing a high availability cluster between two or more HP-UX host servers and a shared RAID subsystem. This roadmap presides over all other documentation supplied with your equipment, and refers to those resources as more technical depth is required. - Page 15 Prepare the SCSI Host Adapters Verify (RAID RA7000/ESA10000 for HP-UX) Cluster Requirements Please verify that the cluster requirements listed in Table 1-1 are met. Table 1–1 RAID RA7000 / ESA10000 for HP-UX – Cluster Prerequisites Host Feature Platform Operating System...
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Page 16: Inventory The Raid Scsi Connection Kit
HD68-pin or VHDCI host adapters (both adapters must be the same type) *This kit is not applicable to a RAID RA7000 / ESA10000 Cluster for HP-UX Please verify that the connection kit you have received is specific to your cluster needs, and use Table 1-2 to inventory its contents. - Page 17 Table 1–2 RAID SCSI Connection Kit Contents (listed by kit number) R AID S CS I Connection Kit Parts Identification B N 2 1K-0 5 H D 6 8 S tr a ig h t-T h ru C a b le B N 3 7A-0 5 V H D C I (U ltra S C S I) S tra ig h t-T h r u C ab le B N 3 8C -0 5...
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Page 18: Perform A System Backup
SCSI bus by selecting where you want to locate the RAID subsystem on the bus relative to the other components (the two HP hosts and, if applicable, the SCSI Hub). Determining the RAID location depends on your preference or any physical limitations of your facility (see “Note”... - Page 19 Table 1–3 RAID Subsystem Basic Cluster (SCSI Bus) Layout Options For This Cluster Layout Option Mid-Bus RAID R A 7 0 0 0 / E S A 1 00 0 0 H o st A For This Cluster Layout Option… Hub-Radiant RAID H o st A R A 7 0 0 0 / E S A 1 0 0 0 0...
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Page 20: Prepare The Scsi Host Adapters
SCSI host adapter be installed. (Expanding a cluster with a second RAID subsystem requires two SCSI host adapters per server). Prior to installing the SCSI host adapter(s) into each server, as described in your HP Host Adapter installation and service guide, you must prepare each one for a cluster environment. -
Page 21: Scsi Host Adapter Resistor Pack Removal (For Mid-Bus Or End-Bus Raid Cluster Layouts Only)
1.5.2 SCSI Host Adapter Resistor Pack Removal To remove the resistor packs (terminators) on-board the SCSI host adapters in a Mid-Bus RAID or End-Bus RAID cluster layout, reference the figure for your host adapter board model and proceed as follows: Do not remove SCSI host adapter resistor packs in hub-radiant RAID cluster layouts. -
Page 22: Scsi Host Adapter Model A28696A
RA7000 / ESA10000 High Availability Solution Kit for HP-UX Figure 1–1 SCSI Host Adapter Model A28696A F acep la te S C S I A da pte r ID S w itch P a ck "S 1 " Figure 1–2 SCSI Host Adapter Model A2969A... -
Page 23: Scsi Host Adapter Model A4107A
Figure 1–3 SCSI Host Adapter Model A4107A Term ina tio n R esisto r P a cks U C 1 , U C 2 , U C 3 Fa ce plate EK–HAHPU–MH. B01 Chapter 1. Pre-Installation Steps S C S I A d ap te r ID S w itch P acks "S 1"... -
Page 25: Cabling The Raid Subsystem Cluster Components
Cabling the RAID Subsystem Cluster This chapter provides the procedures for interconnecting two HP host servers and a shared StorageWorks RAID subsystem through the SCSI bus, and externally terminating the bus as applicable. Interconnection procedures for locating the RAID subsystem in a Mid-Bus, Hub-Radiant and End-Bus layout are provided, based upon the basic cluster layout selected in Chapter 1. -
Page 26: Mid-Bus Raid Cluster Layout - (Scsi Bus Interconnect)
RA7000 / ESA10000 High Availability Solution Kit for HP-UX Mid-Bus RAID Cluster Layout - (SCSI Bus Interconnect) To connect two HP hosts on the two ends of the SCSI bus (e.g., a Mid-Bus RAID cluster layout), with a RAID subsystem, reference Figure 2-1 and follow these steps: 1. -
Page 27: Hub-Radiant Raid Cluster Layout - (Scsi Bus Interconnect)
Chapter 2. Cabling the RAID Subsystem Cluster Components 2.3 HUB-Radiant RAID Cluster Layout - (SCSI Interconnect) To connect two HP host servers to a RAID subsystem via use of a Hub (e.g., a Hub-Radiant RAID cluster layout), reference Figure 2-2 and follow these steps: 1. -
Page 28: End-Bus Raid Cluster Layout - (Scsi Bus Interconnect)
RA7000 / ESA10000 High Availability Solution Kit for HP-UX 2.4 End-Bus RAID Cluster Layout - (SCSI Bus Interconnect) To connect two HP host servers to a RAID subsystem located on the end of the SCSI bus (e.g., an End-Bus RAID cluster layout), reference Figure 2-3 and follow these steps: 1. -
Page 29: Software Setup Requirements For A Cluster
Software Requirements Summary The software setups required to establish a cluster between your RAID subsystem and HP host servers must be performed in the sequence provided in this chapter, which is as follows: Install the StorageWorks Command Console (SWCC) RAID Manager... -
Page 30: Creating The Raid Storageset Configuration
RA7000 / ESA10000 High Availability Solution Kit for HP-UX Creating the RAID StorageSet Configuration Reference the Getting Started – HSZ70 Solutions Software V7.1 for HP-UX, Chapters 6 or 7 and Appendices A and B, to plan and create your RAID (storageset) configuration. -
Page 31: Running The Swcc Failover Transition Module Installation Script
StorageWorks Command Console agent, which are: Install the (HP) SCSI pass through device drivers on all the remaining clustered servers. (These drivers should already reside on your primary host, via the SWCC agent installation process performed in Section 3.2). - Page 32 RA7000 / ESA10000 High Availability Solution Kit for HP-UX You MUST be root to proceed with the installation process. The capital letter at the end of each script prompt represents the default response. 4. Run the shell script by issuing this command: # /tmp/ha_install_hp.sh...
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Page 33: A Cabling And Termination Required To Expand A Cluster
Cabling and Termination Required to Expand a This appendix summarizes how to expand a basic (two-server, single RAID subsystem) cluster to support additional servers and/or a second RAID subsystem. This appendix assumes that the pre-installation, hardware and software configuration procedures for a basic cluster have been performed as described in this guide, and focuses only on the procedures required for cluster expansion. -
Page 34: A–1 Expanded Cluster
RA7000 / ESA10000 High Availability Solution Kit for HP-UX Figure A–1 Expanded Cluster H ea rtb ea t 1 H ea rtb ea t 2 S erver A S C S I B us 1 C lien ts Te rmination... -
Page 35: Adding Host Servers To An Existing Cluster
Appendix A. Cabling and Termination Required to Expand a Cluster To add a host server to a basic End-Bus or Mid-Bus RAID subsystem cluster, reference Figure A-2 and proceed as follows: 1. Follow normal procedures to backup the all the devices in the existing cluster. -
Page 36: Adding A Second Raid Subsystem To An Existing Cluster
RA7000 / ESA10000 High Availability Solution Kit for HP-UX Repeat these procedures for each new server to be added to the cluster. When finished, follow normal procedures devices. Make sure that each server added to the cluster is configured for a cluster, according to Chapter 3 of this guide. -
Page 37: B De-Installing The Storageworks Command Console Agent
De-Installing the StorageWorks Command This appendix describes how to reverse the installation of the StorageWorks CC Agent within a cluster. B.1 StorageWorks CC Agent De-Installation Procedures To de-install the CC agent (and the CC agent package) from the cluster, enter the following command: # /base_dir/steam/bin/stgwks.sh Select menu option 4 of the first menu. -
Page 39: Reader's Comments
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