HP D5970A HP Netserver High Availability SPOFless MSCS Cluster Solution
HP D5970A - NetServer - LCII Manual
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- HP D5970A | HP Netserver High Availability SPOFless MSCS Cluster Solution - Page 1
, and fans. • Redundant Software Components: Microsoft® Cluster Server, network fault tolerance and adaptive load balancing, HBA and controller drivers using firmware that supports fail over, and software mirroring. • Fault Tolerant Techniques: hot swappable hard drives, FC controllers, hot plug - HP D5970A | HP Netserver High Availability SPOFless MSCS Cluster Solution - Page 2
• Use hardware RAID1 to mirror the internal system disk on each server and on the quorum drive for the cluster. Use RAID1, 10, or 5 for shared disks HP Netservers While investigating SPOFless configurations, two types of Netservers were used. One cluster was formed from a pair of LPr servers, - HP D5970A | HP Netserver High Availability SPOFless MSCS Cluster Solution - Page 3
-plug support, model D5013B or later must be used. The Software Components Network Operating System There are two choices for the operating system to use in the SPOFless solution. The first choice is Windows NT 4.0® Enterprise Edition. The second choice is Windows® 2000 Advanced Server. Service Pack - HP D5970A | HP Netserver High Availability SPOFless MSCS Cluster Solution - Page 4
on the Netservers, the same firmware is used for both Windows® 2000, and Windows NT®. Network Interface Cards The driver version Hptxnt5.sys version 4.02.27.0 was used for testing on the Windows® 2000 Advanced Server platform. Earlier drivers may work, however they have not been tested. Supported HP - HP D5970A | HP Netserver High Availability SPOFless MSCS Cluster Solution - Page 5
HP NetSserver Documentation Functional Diagram of the Direct Connect Cluster (SPOFless) Public Network Cluster Server #1 FC HBA Private Network Cluster Server Manual mode allows the addition of new RAID sets, addition of logical drives it is important to download the firmware individually to - HP D5970A | HP Netserver High Availability SPOFless MSCS Cluster Solution - Page 6
white paper HP NetSserver Documentation FC Array Assistant Controller Information Screen FC Array Assistant Manual Configuration Screen - Mirrored LUN Mapping 6 - HP D5970A | HP Netserver High Availability SPOFless MSCS Cluster Solution - Page 7
HP that the system boot drive cannot be used as a quorum drive. • Software mirroring cannot be used and wait for both of the array card status lights to glow green. • Start the first cluster node disabled to automatic, and start the cluster service. • Open the Cluster Administrator to verify that - HP D5970A | HP Netserver High Availability SPOFless MSCS Cluster Solution - Page 8
paper HP NetSserver or insert the new controller. The light on the back of the new controller should blink yellow for 1-5 minutes, then the light should turn green and RS/12 HBA drivers are expected to support multiple FC loops so that more than one HBA can be installed in the cluster servers, - HP D5970A | HP Netserver High Availability SPOFless MSCS Cluster Solution - Page 9
Guide: http://netserver.hp.com/support/manuals.asp?pid=rs 12fc ·RS/12FC Installation Guide: http://netserver.hp.com/support/manuals.asp?pid=rs 12fc ·Netserver specifications: http://netserver.hp.com/ For more information about HP Netservers, go to: http://www.hp.com/go/netserver for errors software
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september
2000
HP
Documentation
Netserver
HP Netserver High Availability SPOFless MSCS Cluster Solution
Introduction
This document profiles efforts in evaluating high availability cluster solutions
managed by Microsoft
®
Cluster Server in Windows NT 4.0
®
Enterprise Edition
and Windows
®
2000 Advanced Server operating systems.
The solutions
evaluated are two-node clusters using redundant Fibre Channel Arbitrated
Loop (FCAL) technology for the server to storage interconnect and are
intended to be highly reliable and highly available configurations with
No
Single Point of Failure (NSPOF)
also known in HP as
SPOFless.
High availability clusters are designed to reduce risk and costs of downtime
due to hardware or software faults.
This high level of system and application
availability is accomplished through the use of redundant and fault tolerant
technologies implemented on different levels of hardware and software.
For example, clustering software improves availability by allowing applications
and services to be transferred to another computer node if a failure event
occurs on one of the nodes.
Overview of the SPOFless System
Achieving Higher Availability through Component Redundancy
SPOFless ensures that a system will be highly available and accessible in
case of any system component failure.
Using redundant hardware and
software components eliminates single points of failure.
SPOFless system
redundancy falls into three categories.
•
Redundant Hardware Components:
system drives, RAID sets, external
storage controllers, host bus adapters (HBA), network adapters,
multiprocessor servers, Fibre Channel (FC) hubs, switches, power
supplies, processor power modules, and fans.
•
Redundant Software Components:
Microsoft
®
Cluster Server, network
fault tolerance and adaptive load balancing, HBA and controller drivers
using firmware that supports fail over, and software mirroring.
•
Fault Tolerant Techniques:
hot swappable hard drives, FC controllers,
hot plug/replace/upgrade PCI adapters, cache mirroring, and battery
backup.