HP D7171A - NetServer - LPr Manual de usuario

HP NetServer LXr 8000

with

HP A3661B High Availability Disk Array Model 30 / FC

Cluster Configuration Guide

13 September 1999

Introduction

This document defines the supported HP NetServer LXr 8000 and A3661B High Availability Disk Array

Model 30/FC (LXr 8000 / Model 30-FC) configurations for Microsoft Cluster Server. These

configurations minimize single points of failure (SPOF), provide maximum availability, and have been

certified by Hewlett-Packard and Microsoft. This guide is prescriptive; it describes the configurations

supported by HP. Any deviance to these configurations can result in an inoperative cluster or an operating

cluster with degraded performance, hidden SPOFs, etc., and therefore will not be supported by HP.

What’s Defined in a Racked Cluster

Cluster

SPUs

Local and Shared Storage

Intra-cluster and Client LANs

Shared Storage Cabling

Cluster

Type of SPUs HP NetServer LXr 8000

Each node must be the same model SPU, but may have different clocks

speeds, main memory sizes, cache sizes, and number of CPUs (2, 3, or 4).

Number of nodes 2

Shared Storage See Shared Storage below.

LANs:

Client LAN Any NIC that is HP and Microsoft approved. See Client LAN below.

Intra-cluster

(Heartbeat) LAN HP D5013A only with crossover cable. See Intra-cluster LAN below.

Power source Direct from power mains, power conditioner or uninterruptible power

supply (UPS) using any power conditioner or UPS.

System software:

Navigator version L.14.00 or later

Operating System Microsoft Windows NT Server 4.0, Enterprise Edition.

Service pack SP3 with hotfix “clusfixi” or later

Single Points of Failure

(SPOF) The Model 30/FC Disk Array virtually does not have single points of

failure. However, care should be taken to bind LUNs as described in the

Model 30/FC Disk Array manual. The manual addresses topics such as;

spreading LUNs equally across internal buses and using RAID modes. In

a cluster configuration, single points of failure arise due to the method

used to connect the disk array to the server. These single points of failure

are as follows:

•Due to Windows NT inability to allow for dual data paths, a total

fibre-channel hub failure (removal of power from the hub,

catastrophic failure of multiple hub ports) will result in the loss of the

cluster. It is possible to power the hub using an UPS to remove part

of the issue, however an unforeseen total hub failure would still be a

single point of failure. Current data on the fibre channel hub

indicates that risk in this area is minimal.

•If the data connection between the hub and Model 30/FC Disk Array

is broken the cluster will go down. The fibre channel cables are

generally known to be robust with an insignificant possibility of

failure.

•A failure in the storage processor of the Model 30/FC Disk Array

will result in a loss of the cluster. The possibility of the storage

processor failing is small. Current configurations do not allow for

failover to another storage processor in the Windows NT

environment.

SPU

Model HP NetServer LXr 8000

Clock speed 400 MHz. or higher

No. of CPUs 2 – 4

BIOS version Release 1 or later

CPU cache Any size

RAM 256 MB minimum. Must be HP.

No. of power supplies 3

Local storage Internal or external, using any controller except NetRAID 1 or 3. Must

use HP disks. See

Local Storage below.

I/O slots: P3 – P4 Shared storage controller

P1 – NetRAID local storage

P5 – Intra-cluster (Heartbeat) LAN

P6 – Client LAN

All others – Any other plug-in cards.

Storage

Local

Physical drive location SPU internal drive bays or HP external drive cabinet (e.g., HP Rack

Storage/8 or /12)

Disk drives Must be HP

Controller SPU embedded controller or any controller, any number, manufacturer or

driver in I/O slot P1 for NetRAID local storage (except NetRAID 1 or 3).

See SPU I/O slots above.

SCSI bus Any HP cables that meet SCSI specifications and any SCSI bus speed

Shared Storage

Host Bus Adapter:

Model A5246A HP Fibre Channel Adapter Kit for NT

No. of HBA 1 – 2. (See Shared Storage Configurations.)

Driver 2.xx

SPU I/O slot P3 (1st HBA) and P4 (2nd HBA)

Disk Array Controller:

Model SP630/FC Storage Processor (ordered with A3661B or A3662B)

No. of controllers 1 – 2. (See Shared Storage Configurations.)

Microcode 9.45.03 or greater

Disk Array Storage:

Model A3661B HP High Availability Disk Array Model 30/FC.

No. of cabinets See Shared Storage Configurations.

Controller 1 – 2. (See Shared Storage Configurations.)

Disk capacities: 4 GB, 8.8 GB, 17.8 GB

ArrayGUIde Version 1.7.0 or greater

RAID levels 1, 1/0, 3 and 5

Logical units Logical units within each array must be numbered from 0 – 7.

Hot spares Recommend assigning logical unit numbers 8 or greater

Power Supply 3

RAID arrays Different size or speed disks are allowed in the same RAID array but

are not recommended in the same logical unit.

Shared Storage Cables (Fiber Optics)

Cables for the Short Wave

Port of either a Short or

Long Wave Hub

A3583A 2 meter FC cable,

A3531A 16 meter FC cable,

A3735A 50 meter FC cable,

A3736A 100 meter FC cable,

Any cable ≤500 meters per segment that conforms to ANSI X3.230-

1994 Fibre Channel Standards Specification (FC-PH) rev 4.3.

Cables for the Long Wave

Port of a Long Wave Hub Any cable ≤2 kilometers that meets ANSI X3.230-1994 Fibre Channel

Standards Specification (FC-PH) rev 4.3.

Shared Storage Configurations

Configurations:

Basic See "Basic Configuration Cabling Diagrams with Single or Cascaded

Hubs."

Redundant See "Redundant Configuration Cabling Diagrams with Single or

Cascaded Hubs."

Fibre Channel Hubs:

Model A3724A HP 10-port Short Wave Fibre Channel (FC) Hub

A4839A HP 10-port Long Wave FC Hub

No. of Hubs Basic Configuration: 1 or 2

Redundant Configuration: 2 or 4 with 1 min. or 2. max. per FC

Arbitrated Loop.

Disk Arrays (See Shared

Storage.):

No. of Disk Arrays 1-8

No. of Controllers 1 per Disk Array for Basic Configuration.

2 per Disk Array for Redundant Configuration.

LANs

Intra-cluster (Heartbeat) LAN Client LAN

LAN connection HP D5954A crossover cable or any

equivalent Any LAN

The intra-cluster LAN may only be used for

cluster node communication via a crossover

cable. It may not be used for client

communication.

NIC:

Model HP D5013A (10/100TX PCI) Any that is on both the HP

Tested Products List and the

Microsoft Hardware

Compatibility List.

Driver 3.27.00.0001 or later (Do not enable FEC

Features.) Any driver

NOTE: If the NIC used is the

same as the Intra-cluster LAN,

then the Client LAN must use

the same driver as the Intra-

cluster LAN.

No. of NICs 1 1 minimum

SPU I\O slot P5 P6

Shared Storage Cabling

This part of the guide defines the allowable cabling configurations for clusters using the HP NetServer

LXr 8000 and High Availability Disk Array Model 30/FC. Only these cabling configurations and cables

are supported.

Basic Configuration with Single Fibre Channel Arbitrated Loop Hub

Port connections to this

hub are for example

only. You can use any

port, except for port 10

on Long Wave Hubs.

The remaining ports can

be used for connection

of additional Disk

Arrays.

See Shared

Storage Cables for

a list of cables that

can be connected

to the Short Wave

Ports of the hub.

Basic Configuration with Cascaded Fibre Channel Arbitrated Loop

Hubs

See Shared

Storage Cables for

a list of cables that

can be connected

to the Short Wave

Ports of the hub.

Port connections to

these hubs are for

example only. You can

use any port, except for

port 10 on Long Wave

Hubs. The remaining

ports can be used for

connection of additional

Disk Arrays.

See Shared Storage

Cables for a list of

cables that can be

connected between

hubs. Port 10 is used

exclusively in Long

Wave hubs for hub-to-

hub connection.

Redundant Configuration with Single Fibre Channel Arbitrated Loop Hub

See Shared

Storage Cables for

a list of cables that

can be connected

to the Short Wave

Ports of the hub.

Port connections to

these hubs are for

example only. You can

use any port, except for

port 10 on Long Wave

Hubs. The remaining

ports can be used for

connection of additional

Disk Arrays.

Redundant Configuration with Cascaded Fibre Channel Arbitrated Loop Hubs

See Shared

Storage Cables for

a list of cables that

can be connected

between hubs.

Port 10 is used

exclusively in Long

Wave hubs for hub-

to-hub connection.

Port connections to

these hubs are for

example only. You

can use any port,

except for port 10 on

Long Wave Hubs. The

remaining ports can

be used for

connection of

additional Disk Arrays.

See Shared

Storage Cables for

a list of cables that

can be connected

to the Short Wave

Ports of the hub.

Version History

13 September 1999 In Cluster specifications added a description of "Single Points Of Failure

(SPOF) to clarify this property of the cluster.

21 April 1999 CPU speed was "400 MHz and higher" is "400 and 450 MHz only."

12 January 1999 Initial release.

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