HP 11i manuali

Hp 11i Manuale Utente (113 pagine)

Marchio: Hp | Categoria: Software | Dimensione: 0.48 MB |

Inglese

Indice

HP-UX 11i v2

1

Legal Notices

2

Contents

5

About This Document

9

Publishing History

10

What Is in This Document

10

Related Documentation

11

Typographical Conventions

12

HP Encourages Your Feedback

13

1 Overview

15

The mrouted Routing Daemon

17

Multicast Group Address

19

The gated Routing Daemon

22

Deciding When to Use gated

23

Routing Protocols

24

Overview

28

Chapter 128

28

2 Conﬁguring mrouted

29

How to Conﬁgure mrouted

31

mask-len

34

Starting mrouted

36

Verifying mrouted Operation

37

Conﬁguring mrouted

40

Chapter 240

40

The mrinfo Tool

41

The map-mbone Tool

41

The netstat Tool

41

Chapter 242

42

3 Conﬁguring gated

43

Conﬁguration Overview

45

Conﬁguring gated

46

/sbin/init.d/gated start

48

Conﬁguring the RIP Protocol

50

Conﬁguration Options

53

Simple RIP Conﬁguration

54

ROUTE_COUNT[0]= "1"

56

Controlling RIP Trafﬁc

58

Conﬁguring the OSPF Protocol

60

Enabling OSPF

64

Deﬁning Areas

65

193.2.1.16 mask 0xfffffff0

66

Deﬁning Backbones

76

Authentication

77

Sample OSPF Conﬁguration

83

Chapter 3 85

85

Accessing the OSPF MIB

86

Conﬁguring RDP

87

RDP Client

88

Customizing Routes

90

Setting Interface States

91

Specifying Tracing Options

92

Specifying Route Preference

94

The import Statement

97

The export Statement

97

Starting gated

99

Troubleshooting gated

101

/usr/bin/kill -SIGUSR1

102

/usr/bin/kill -USR1

102

The gated Routing Table

103

The ripquery Tool

103

The ospf_monitor Tool

103

Common Problems

104

Hp 11i Manuale Utente (557 pagine)

Marchio: Hp | Categoria: Software | Dimensione: 4.04 MB |

Inglese

Indice

Veritas Volume Manager 5.0

1

Administrator’s Guide

1

Legal Notices

2

Contents

4

6 Contents

5

7Contents

6

8 Contents

7

Chapter 7 Creating volumes

8

10 Contents

9

11Contents

10

12 Contents

11

13Contents

12

Chapter 14 Administering

13

Appendix A Commands summary

14

Glossary 521

15

Index 531

15

Understanding Veritas

16

Volume Manager

16

VxVM and the operating system

18

Disk arrays

20

Multipathed disk arrays

21

Device discovery

21

Enclosure-based naming

22

Virtual objects

25

Disk groups

27

VM disks

27

Subdisks

28

Volume layouts in VxVM

33

Layout methods

34

Concatenation and spanning

34

Striping (RAID-0)

37

Mirroring (RAID-1)

41

RAID-5 (striping with parity)

44

Left-symmetric layout

47

RAID-5 logging

49

Layered volumes

50

Online relayout

53

Volume resynchronization

58

Dirty region logging

59

Log subdisks and plexes

60

Sequential DRL

60

Data volume configuration

61

Volume snapshots

62

FastResync

65

FastResync enhancements

66

Non-persistent FastResync

66

Persistent FastResync

67

DCO volume versioning

67

Version 0 DCO volume layout

68

Version 20 DCO volume layout

68

FastResync limitations

73

Hot-relocation

74

Volume sets

74

Administering disks

76

Disk device naming in VxVM

77

80 Administering disks

79

Disk devices

79

Partial device discovery

81

Disk categories

82

84 Administering disks

83

# swinstall -s /cdrom vrtsda

83

# vxdctl enable

83

# swremove vrtsda

83

Listing excluded disk arrays

85

SNO length

87

90 Administering disks

89

Adding a disk to VxVM

96

Reinitializing a disk

100

Rootability

101

Root disk mirrors

102

Booting root volumes

103

Dynamic LUN expansion

107

109Administering disks

108

Removing disks

109

Removing a disk with subdisks

110

Removing and replacing disks

111

Enabling a disk

116

Taking a disk offline

117

Renaming a disk

118

Reserving disks

118

Displaying disk information

119

Controlling Powerfail Timeout

121

Enabling or disabling PFTO

122

124 Administering disks

123

Administering dynamic

124

How DMP works

125

How DMP monitors I/O on paths

127

Load balancing

128

■ active

145

■ nomanual

145

■ nopreferred

145

■ preferred [priority=N]

145

Displaying the I/O policy

146

Specifying the I/O policy

146

■ adaptive

147

■ adaptiveminq

147

■ minimumq

149

■ priority

149

■ round-robin

149

■ singleactive

149

Renaming an enclosure

154

■ check_all

159

■ check_alternate

159

■ check_disabled

159

■ check_periodic

159

Creating and

164

/dev/vx/dsk/mktdg/mktvol

166

Creating a disk group

169

Adding a disk to a disk group

170

Deporting a disk group

172

Importing a disk group

173

Writing a new UDID to a disk

175

Renaming a disk group

182

774226267.1025.tweety

183

Source disk group

196

Target disk group

197

Splitting disk groups

204

Joining disk groups

205

Disabling a disk group

206

Destroying a disk group

207

Upgrading a disk group

207

Moving subdisks

216

Splitting subdisks

216

Joining subdisks

217

Associating log subdisks

219

Removing subdisks

220

Changing subdisk attributes

220

Creating a striped plex

223

Displaying plex information

223

ACTIVE plex state

224

CLEAN plex state

224

DCOSNP plex state

224

SNAPTMP plex state

226

STALE plex state

226

TEMP plex state

226

TEMPRM plex state

226

Plex condition flags

227

Plex kernel states

228

Taking plexes offline

229

Detaching plexes

230

Reattaching plexes

230

Moving plexes

231

Copying volumes to plexes

232

Changing plex attributes

233

Creating volumes

234

Types of volume layouts

235

Creating a volume

237

Using vxassist

238

Creating a volume on any disk

242

247Creating volumes

246

248 Creating volumes

247

Creating a mirrored volume

248

250 Creating volumes

249

Creating a striped volume

252

Creating a RAID-5 volume

255

Creating tagged volumes

256

Accessing a volume

261

Administering volumes

262

Volume states

264

/CLEAN flag). If the

265

Specifying task tags

266

Managing tasks with vxtask

267

Using the vxtask command

268

Stopping a volume

269

Starting a volume

270

Adding a mirror to a volume

270

Mirroring all volumes

271

Removing a mirror

272

274 Administering volumes

273

# vxplex -g mydg dis vol01-02

273

Disabling and re-enabling DRL

277

279Administering volumes

278

Adding a RAID-5 log

282

Resizing a volume

283

Extending to a given length

285

Extending by a given length

285

Resizing volumes using vxvol

286

Setting tags on volumes

287

Removing a volume

289

Moving volumes from a VM disk

289

Disabling FastResync

292

Performing online relayout

293

Tagging a relayout operation

297

301Administering volumes

300

302 Administering volumes

301

Administering volume

302

Full-sized instant snapshots

306

Cascaded snapshots

311

Creating multiple snapshots

316

Creating instant snapshots

318

Removing a snapshot mirror

335

Removing an instant snapshot

340

Growing and shrinking a cache

346

Removing a cache

346

Reattaching a snapshot volume

351

Creating a volume set

361

Configuring off-host

368

on the volume. The

372

Implementing decision support

373

Administering

378

How hot-relocation works

379

Spare Disk

381

# vxdg [-g diskgroup] spare

385

Make a disk available for

388

you can choose to

390

Global detach policy

404

Local detach policy

405

Disk group failure policy

406

Cluster reconfiguration

409

Reason Description

411

Volume reconfiguration

412

■ cluster ID

413

■ node IDs

413

■ master node ID

413

■ role of the node

413

Node shutdown

415

Node abort

416

Cluster shutdown

416

Import lock

417

Failover

417

Listing shared disk groups

420

Creating a shared disk group

421

Site A Site B

431

Disk Group

431

Volume V

431

Command Description

437

Automatic site reattachment

439

Recovery from host failure

441

Recovery from storage failure

441

Recovery from site failure

442

Using Storage Expert

444

How Storage Expert works

445

Before using Storage Expert

445

Running Storage Expert

445

Discovering what a rule does

446

Running a rule

446

Rule result types

447

Setting rule attributes

447

Recovery time

448

Disk striping

452

Hardware failures

453

System name

453

455Using Storage Expert

454

Rule Attribute Default

457

Description

457

462 Using Storage Expert

461

Performance monitoring

462

Striping

463

Mirroring

463

Performance guidelines

464

Volume read policies

465

Tracing volume operations

467

Printing volume statistics

467

Using performance data

468

Tuning VxVM

471

Tunable parameters

474

Commands summary

486

Table A-2 Administering disks

488

Table A-6 Creating volumes

497

Online manual pages

506

Name Description

507

Section 4 — file formats

509

Configuring Veritas

510

Adding foreign devices

511

Adding disks to disk groups

511

Mirroring guidelines

513

Striping guidelines

514

RAID-5 guidelines

515

Hot-relocation guidelines

515

Configuring cluster support

517

Reconfiguration tasks

519

Glossary

520

/dev/vx/dsk

529

532 Index

531

533Index

532

534 Index

533

535Index

534

536 Index

535

537Index

536

538 Index

537

539Index

538

540 Index

539

541Index

540

542 Index

541

543Index

542

544 Index

543

545Index

544

546 Index

545

547Index

546

548 Index

547

549Index

548

550 Index

549

551Index

550

552 Index

551

553Index

552

554 Index

553

555Index

554

556 Index

555

557Index

556

558 Index

557

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