HP P9500 manuals

Hp P9500 User Manual (494 pages)

Brand: Hp | Category: Software | Size: 2.70 MB |

English

Table of contents

Dynamic Link Manager Software

1

Contents

3

Acronyms and abbreviations

11

Glossary

11

Intended audience

14

Product version

14

Release notes

14

Document revision level

14

Document organization

15

Related documents

15

Document conventions

16

Getting help

17

Comments

17

Data Systems Corporation

18

Thank you!

18

Overview of HDLM

19

What is HDLM?

20

HDLM Features

20

HDLM Functions

23

Cluster support

24

Devices Managed by HDLM

25

System Configuration

25

Components Description

26

LU Configuration

27

Program Configuration

28

Program name Functions

29

Load Balancing Algorithms

34

Automatic path switching

36

Figure 2-8 Path switching

37

Automatic failbacks

40

Manual path switching

41

Path status transition

42

Status transitions of a path

43

Checking intermittent errors

46

Monitoring

49

Function

52

Error management

53

Types of Collected Logs

54

Table 2-8 Error levels

55

Collecting Audit Log Data

57

Category Explanation

58

Audit Log Data Formats

63

Explanation

64

HDLM System Requirements

69

OS Kernel

70

# lslpp -L xlC.aix50.rte

70

Storage Systems

71

OS Related Programs

72

Configurations

73

Memory Requirements

76

Disk Capacity Requirements

76

Item Supported number

77

Types of HDLM Installation

78

Notes on Installing HDLM

79

Notes on a License Key

81

Notes on Trace Files

81

Notes on Storage Systems

82

Notes on the Cluster

82

Installing HDLM

83

Environments

85

Set Up the Hardware

89

Switch the Kernel Mode

90

Set Up Cluster Software

91

# lsdev -Cc disk

92

# umount /cdrom

98

# rm -r /cdrom

98

# shutdown -Fr

98

Stop Applications

102

File Description

103

Creating an HDLM Environment

103

Disk Environment)

126

Environment)

126

. Insert the DVD-ROM

131

. Unmount the DVD-ROM

133

. Mount the DVD-ROM

135

Setting up HDLM

139

Checking the Current Settings

140

Setting Up the HDLM Functions

140

Setting Up Load Balancing

141

Setting the Trace Level

145

Setting the Trace File Size

146

Value (severity) Explanation

147

Value Explanation

147

Checking the Updated Settings

148

Setting up Integrated Traces

149

Settings

150

Interval

153

About the Reservation Policy

156

Settings for Using PowerHA

157

Settings for Using GPFS

159

Settings for Using VCS

162

Removing HDLM

163

HDLM Operation

173

Notes on Using HDLM

174

Storage System

175

Notes on Shutting Down a Host

175

Notes on Errors in a Host

175

Viewed From the Same Server

176

Environment

176

Notes on Replicating a System

177

Notes on Using Commands

177

Viewing Path Information

177

Changing the Status of Paths

178

Viewing LU Information

180

Path IDs, and LDEVs

180

Viewing License Information

183

Updating the License

184

Starting the HDLM Manager

186

Stopping the HDLM Manager

186

HDLM Resident Processes

187

Changing hdisk attributes

189

Changing a Path

193

. Delete the path

194

Replacing an HBA

195

# cfgmgr -l fcsn

198

Available hdisk10 fscsi1

199

Replacing a Fiber Cable

200

Troubleshooting

205

What To Do for a Path Error

207

Examining the Messages

210

Obtaining Program Information

210

What To Do for Other Errors

211

Command Reference

213

Command format

214

Parameters

215

Parameter

216

Reference

223

Value Description

232

Table 6-4 Trace Level Values

233

Table 6-6 License Key Types

240

To Display Path Information

245

To display path information

245

[[slpr] [vg]

246

Examples

252

Displayed path information

259

-: Not displayed

263

number (the xx part

264

To Display LU Information

266

To display LU information

266

Example 2

269

Displayed LU information

271

Item Description

278

Utility Reference

285

Overview of the Utilities

287

Time of the Utilities

289

Output directory

293

Files Explanation

293

Supplemental Information:

297

Information

300

Environment ODM

305

[ODM_SETTINGS] section

320

Log file

326

Messages

329

Format Meaning

331

Terms Meaning

331

KAPL01001 to KAPL02000

332

Message Text Explanation

333

KAPL03001 to KAPL04000

363

KAPL04001 to KAPL05000

365

KAPL05001 to KAPL06000

375

KAPL06001 to KAPL07000

379

KAPL07001 to KAPL08000

382

KAPL08001 to KAPL09000

383

KAPL09001 to KAPL10000

387

KAPL10001 to KAPL11000

413

. Check whether you

416

. Check whether the

416

. Check that the disk

416

KAPL11001 to KAPL12000

439

KAPL13001 to KAPL14000

443

KAPL15001 to KAPL16000

456

Component

460

Message ID Explanation

461

Versions of HDLM

465

Add-in HDLM Driver Module

468

Commands of the utilities for

469

Corresponding AIX commands

469

0: Ignoring the reservation

471

2: Persistent reservation

471

PR_exclusive

471

Virtual SCSI Disks

472

Acronyms-2

474

Acronyms-3

475

Acronyms-4

476

Acronyms-5

477

Acronyms-6

478

Glossary-2

480

Glossary-3

481

Glossary-4

482

Glossary-5

483

Glossary-6

484

Glossary-7

485

Glossary-8

486

MK-92DLM111-27

494

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