Index_C

C

caa_balance command, 679

-all option, 702

-s option, 702

use of, 702

caa_dbConvert command, 677

caa_profile command, 679, 681, 687

-a option, 735

-B option, 688

-create option, 688

-delete option, 691

file creation, 729

-h option, 722, 735

-l option, 722

-o ap option, 735

-o as option, 735

-o cfs option, 735

-o mp option, 735

options, 688

-p option, 722, 735

-print option, 691, 735

reference page, 692

-r option, 722

-update option, 689

-validate option, 688

caa.reg database, 693

caa_register command, 679, 692

caa_relocate command, 679, 699

-c option, 700

-f option, 719

-s option, 700

caa_report command, 679

-a option, 707

-b time option, 707

-e time option, 707

-o option, 707

caa_start command, 679

-all option, 695

-c option, 694

-f option, 719

reference page, 698

-t option, 696-97

-v option, 696-97

caa_stat command, 278-79, 675, 679

-a option, 693

-c “hostname” option, 710

-f option, 708

-g option, 693

list output, 708

-l option, 708

-p option, 675, 710

resource name with, 709

-t option, 629, 708

-v option, 629, 677

caa_stop command, 679, 698

-f option, 698, 699

UNKNOWN state and, 698

caa_unregister command, 679, 694

Cache coherency

defined, 341

tokens and, 341-45

Callback

dispatch points, 503-4

routines, 504

cat(1) command, 669, 675, 691

cdslinvchk(8) command, 159-60, 313

clu_check_config(8)

execution of, 313

defined, 159

Central Processing Unit. See CPU

CFS clients, 351

sequential file access on, 355

tokens, 568

vnodes, 352-53

See also Cluster File System (CFS)

cfs command, 330

downloading, 330

output, 335

-s switch, 350

for viewing CFS layout, 623

cfsmgr(8) command, 278

-a server switch, 330, 348

-a statistics switch, 350

-e switch, 810

-F raw switch, 330

-h switch, 334, 351

output, 590

-r switch, 349

-u switch, 810

for viewing server cluster member, 329-30

CFS server

action script, 733-34

AdvFS file system service, 732

application resource, 732-35

application resource creation, 735

discerning, 590

load-balancing, 348-51, 623-26

location, checking, 734

member in, 329-30

memory, 354

relocation, 731-37

relocation failure, 734-35

relocation script, 350

svrcfstok_max_percent, 353-54

tokens, 569

See also Cluster File System (CFS)

cfsstat(8) command, 345

clitok_log option, 345

ics options, 552

-S option, 553, 569

svrtok_log command, 345

tokens option, 345

tokstats option, 345

changer resources, attributes, 686

Channels (EVM)

active, 202

configuration, viewing, 220

defined, 202

definition of, 202

directory, 202-3

getting events from, 220

passive, 202

Channels (ICS), 548-49

services, 548

services per, 549

Character I/O, 405, 415-18

checklist clipboard, 133, 134

cleanPR command, 654-57

clean option, 657, 807-8

for clearing persistent reservations, 657

show option, 654

Clean Stage, 779

clu_add_member command, 97, 283-93, 370, 514

boot disk, 285-86

cluster interconnect type, 287-89

cluster IP address, 287

cluster IP name, 286

defined, 283

executing, 283

hostname, 284

inputs summary, 290-91

member ID and expected vote, 284–85

quorum disks and, 304

TruCluster Server License PAK, 289-90

clu_alias.config(4) reference page, 448

cluamgr(8) command, 276, 447

alias resource using, 738-39

-a option, 445, 738

changes made with, 447

-f option, 473, 478

-r resvok option, 460

-r start option, 446, 449, 457

-r stop option, 448

-r vmac option, 440

-s all option, 629

-s option, 444-45

for temporary alias management, 450

for troubleshooting situations, 450

clua_services file, 472-83

changing entries in, 473

defined, 472

in_multi attribute, 477-78

in_noalias attribute, 478-80

in_nolocal attribute, 480

in_single attribute, 474-76

out_alias attribute, 480-83

sample, 473

static attribute, 483

clubase subsystem, 494, 515-17

attributes, 495

cluster_adjust_expected_votes attribute, 538, 539

defined, 494

clu_bdmgr(8) command, 530

-c option, 530

-d option, 530, 531

reference page, 531

clu_bdmgr.conf file, 531

clu_check_config(8) command, 272–74, 299-301, 629

cdslinkvchk execution, 313

defined, 272, 629

output, 272-74, 300-301

clu_create(8) command, 97, 249, 257–69, 645

cluster alias IP address, 258

cluster alias name, 258

cluster configuration, 266-69

cluster interconnect IP address, 262

cluster interconnect IP name, 261–62

cluster interconnect type, 262-64

configuration summary (LAN-based

interconnect), 265-66

configuration summary (Memory

Channel), 265

creation completion, 269

functions, 256

input summary, 265-66

logs, checking, 271

member boot disk, 261

member ID, 260

overview, 257

quorum disk, 259-60

SRM console variables, 269

clu_delete_member command, 302-6, 514

with command line argument, 303

completed, 306

defined, 302

execution of, 305-6

-f switch, 302

functions, 302-3

interactive, 303, 305

messaging, 306

quorum disks and, 304

running, 303-4

warning, 302

clu_get_info command, 274-75, 368–69

-full option, 303, 492, 629

for getting incarn, 492

-m 1 option, 519

-raw option, 492

clu_migrate_configure command, 794

clu_migrate_save command, 792-94

clu_netsetup(8) command, 296

clu_ps command, 577, 579

-h option, 579

-p option, 579

script, 578-79

clu_quorum(8) command, 275, 303, 368

-d add option, 525

-d adjust option, 528

defined, 514

-d remove option, 528

-e option, 520-22

-f option, 519-20, 522, 529

-m option, 518

output, 514-15

"Running Value" information, 515

sysconfigtab.cluster file

management, 585

-v option, 518

for vote adjustment, 517

when member is unavailable, 529–30

without command options, 514

clu_quorum.log file, 517

Cluster administration tasks

cluster-wide cron, 627-28

command summary, 632-34

configuration variables, 626-27

Essential Services Monitor daemon

(esmd), 628-29

GUIs, 617-20

important files/information, 629-31

load-balancing CFS servers, 623-26

swap move, 621-22

/tmp file system move, 620-21

Cluster Alias (CLUA), 23, 32, 433-84

CAA vs., 483

checking, 276

common subnet alias, 50

complexity, 434

components, 484

decision-making process, 471

defined, 32

IP ports and, 460-83

NIFF and, 324

relationships, 32

virtual subnet alias, 51

Cluster aliases

additional, 447

attributes, 452-53

connection decision tree, 469

creating, with virtual subnet, 459-60

dynamic routing of, 449

eliminating, 448-49

IP address, 433-34

IP interface alias vs., 435

IP to MAC, 435

making, 446-47

making, permanent, 447-48

NFS and, 483-84

proxy ARP master for, 439, 443

routing, 441-52, 598

status and statistics, 444-46

subsystem attributes, 454

temporary, managing, 450

volunteering to service, 443

Cluster alias resources, 737-40

with cluamgr, 738-39

with ifconfig, 739-40

survival, 739

See also Resource(s)

Cluster Application Availability (CAA)

subsystem, 23, 27, 669-726

action scripts, 710-18

architecture, 672-73

candidates, 669

checking, 278-79

for checking application status, 671

CLUA vs., 483

CNX and, 488

commands, 679-80

daemon won't start, 809-10

defined, 27, 669, 672

directory/file layout illustration, 678

directory layout, 677-79

events, 725-26

by example, 727-50

informational popup, 749

main window, 745

managing, 680

multi-instance applications and, 670-72

NIFF and, 324-25

Options window, 748

predefined event filters, 726

profile preliminary options, 688

profile validation, 690

reason codes, 715

relationship, 27

for relocating applications, 51

Resource Manager (caad), 673

resource monitors, 673-74

resource registration popup, 749

resource registry database, 674-77

resources, 680-710

resources, testing, 792

setup resources, 747

setup window, 746

single-instance applications and, 670

start resources informational popup, 749

with sysman, 745-50

uses, 672

Cluster-aware applications, 27-28

Cluster-common disk(s), 387

adding, to LSM, 388

adding, to root disk group, 388

Cluster-common files, 145, 310

differentiating, 146-48

location, 145

rc.config.common, 146, 151, 606, 607

Cluster-common file system

migrating, 386-91

rules and restrictions, 367

Cluster configuration planning, 57-110

checklist, 107-9

CI hardware, 88-101

console level preparation, 102-6

disk devices, 57-85

failure, 57

firmware, 85-88

future expansion, 76

hardware RAID, 72-81

hardware storage, 65-72

licensing requirements, 106

network, 106-7

swap areas, 63-64

Tru64 UNIX system disk, 58-63

Cluster design, 35-55

applications and, 37-43

availability and, 43-44

CLUA common-subnet alias and, 50

computing resources, 41

default options, 35-36

example, 36-37

Fibre Channel based storage, 36

hardware RAID/LSM decision, 53–54

homogeneity of members, 36

independent paths and, 55

introduction to, 35-37

network interfaces and, 49

parallel applications and, 39-40

quorum disk and, 45-46

redundant Memory Channel, 36

redundant NICs, 36

scalability and, 44-45

size, 36

storage configuration, 52-53

tradeoffs, 35

Cluster File System (CFS), 23, 29, 327-57

block I/O and, 418

boot error (mounting boot partition), 810

boot error (mounting cluster_root), 810

capacity issues, 351

checking, 278

common code and, 581

defined, 29, 327

events, 357

file system support, 331-32

I/O requests to DRD, 431

load balancing, 348-51

memory usage, 352-54

performance optimizations, 348-57

POSIX compliance, 555

read-ahead thread, 355-57

relationships, 29

write-behind thread, 355-57

See also CFS clients; CFS server

Cluster formation, 507-10

details, 507-10

process, 507

transaction, 510

without enough votes, 540-41

See also Connection Manager

(CNX)

Cluster interconnect (CI), 25, 46-49

as cluster design decision, 46-48

cluster IP name/address

determination, 100

comparison, 48, 101

dual-redundant, 48-49

functions, 89

hardware, configuring/verifying, 88-101

IP address, 262

IP name, 261-62

LAN-based, 46, 47, 98-100

Memory Channel, 46, 47, 90-97

as migration issue, 786

role of, 46-47

types, 46

types, entering, 262-64, 287-89

virtual address, 600

Cluster Logical Storage Manager (CLSM), 359-402

defined, 359

disk group connectivity, 367

events, 402

location, 359

notes, rules, and restrictions, 365-67

See also Logical Storage Manager

(LSM)

Cluster members

adding, 44-45, 283-93151

adding, one at a time, 282

add preparation, 282

boot device, identifying, 294

boot disk, 81, 261

booting, 293-96

boot_partition, 282, 285-86

in CFS server, 329-30

communication between, 24

configuring, 296-98

deleting, 282, 302-6

file system use determination, 350–51

homogeneity of, 36

IDs, 146, 260

interconnect address, changing, 668

IP address, changing, 668

lead, determining, 756-57

lead, reboot, 770

locking, 89

memberid, 284

multiple network interfaces, 32

name, changing, 668

new, boot disk, 282

old, adding to cluster, 794-95

planning, 282

potential, in cluster formation, 508

qdisk thread, 525

rebooting, 400

resource run determination on, 710

retrieving events from, 321

rolling, 773-78

rolling, after dupatch program, 777

rolling, after installupdate program, 774-77

scalability, 45

shared storage view,

troubleshooting, 806-8

single, multiple applications on, 42–43

specific files, 145

systems, homogeneity, 43

UNIX kernel building for, 296

verifying, 299-301

as VLM systems, 64

votes, adjusting, 518-20

See also Clusters

Cluster Mount Services (CMS), 567

defined, 567

output, 567

Cluster partition, 498-500

defined, 498

illustrated, 500

panic strings, 499

sizes, 248

cluster_root

backup, 637

checking, 590

copying updated cluster database

files to, 644

device name determination, 638

disk partitioning, 638

domain creation, 641

expanding, 589

major/minor numbers, 640, 645

mounting, 639, 641

mounting, CFS boot error, 810

repairing, 592

restoring, 637-45

restoring, to existing disk, 637-40

restoring, to new disk, 640-45

verify utility and, 592

Clusters

alias IP address, 258

alias name, 258

backing up, 757

BIND in, 602

checking, with hwmgr(8)

command, 272

chronology, 6

as closely coupled, 21-22

configuration, checking, 270-72

configuring, 266-69, 291-93

coupling, 22

creating, 790-91

defined, 1-2, 23

DHCP in, 602-3

Disaster Tolerant (DT), 8

disks for, 246-49

distributed computing vs., 2

failover cluster, 2

firmware for, 85-88

heterogeneous, 43

homogeneous, 43

hung, 799-800

installation, before, 245-50

interconnect, 24

IP address, 287

IP address, changing, 667-68

IP name, 286

joining, 510-13

LSM, 31

maintenance and recovery, 635-68

name, changing, 666-67

network planning, 106

NFS in, 603-9

NIS in, 609

preparation checklist, 107-9

single-node, creating, 245-79

SSI application, 2, 3

SSI systems, 2, 3-4

stretch, 8

subsystem components, 34

system administration in, 571-73

two-member, 22

UNIX, 2

upgrade determination, 759

V1.[56], 796-97

VAXCluster, 4

verification, 272-79

See also Cluster members

Cluster's Expected Votes (CEV), 496-97, 513

adjusting, 520-22

defined, 496-97

recalculation, 498

Cluster system block (CSB), 490-92

defined, 490

events stored in, 491

list of, 491

cluster_usr, 639, 642

domain creation, 641

restoring, 639, 642

cluster_var

domain creation, 641

restoring, 639, 642

Cluster-wide device naming, 403-4

Cluster-wide files, 580-87

directories, 581

fstab, 580

group, 580

inittab, 582-83

passwd, 580

rc.config scripts, 583-84

sysconfigtab, 584-87

system startup, 582-87

vmunix, 581-82

Cluster-wide I/O, 405-8

clu_upgrade command

clean option, 779

roll option, 773-74

setup option, 761

switch option, 778

-v check setup option, 760

-v status option, 779-80

cnx partition, 493, 530-37

AdvFS cluster_root devices

segment, 535-36

CLSM cluster_root devices

segment, 536-37

configuration, 531

configuration information storage, 531

contents, 532-37

information, retrieving, 530

information display, 493

managing, 530-37

PIT segment, 535

quorum segment, 533-35

restoring, 531

sections, 532

cnx subsystem, 516

CNX transactions, 488

cluster formation, 510

coordinator, 508

member join, 512

three-phase, 513

See also Connection Manager

(CNX)

collect(8) command, 800-801

Command directories, 581

Computing resources, 41

Concurrent Direct I/O, 328

defined, 346

illustrated, 346

See also Direct I/O

conf.c file, 502

Configuration

clusters, checking, 270-72

cnx partition, 531

disk, minimum, 52

EVM, viewing, 220

hardware RAID, 72-81

hardware storage, 65-72

LAG group, 241-43

NetRAIN, 236, 238-39

NIP, 612

planning, 57-110

Quick Setup, 133-43

quorum disk, 45

runtime execution flow, 150

software subsets, 128, 254

standard hub mode, 93

storage, 52-53

Tru64 UNIX, 130-43

variables, 626-27

virtual hub mode, 91, 92

Connection Manager (CNX), 26, 485-541

architecture, 486-94

boot sequence, 500-504

CAA daemon and, 488

callout events, 488

cluster formation, 507-10

cluster subsystem communication, 487

communication, 487-89

communication methods, 487

components, 486

configuring, 504-13

CSB and, 490-92

data integrity responsibility, 249

defined, 486

events, 488

function of, 26

ICS communication, 486

node announcement, 506-7

pinger thread, 506, 510

problems, troubleshooting, 806

quorum and voting strategies, 513

quorum disk configuration, 45-46

quorum management, 514-37

rebuild and callouts, 489

relationships, 26

subsystem check, 274-75

tasks, 486

threads, 490, 491

transaction oriented, 488

See also CNX transactions

Connectivity matrix, 509-10

defined, 509

illustrated, 509

preparing, 511

Console

preparation, 102-6

SRM variables, initializing, 282

SRM variables, updating, 269

storage devices Seen at, 81-85

Console variable, 105-6

Console variables, 104-6

auto_action, 105

bootdef_dev, 105

boot_osflags, 104-5

boot_reset, 105

console, 105-6

os_type, 105

processor-specific, 104

Context-Dependent Symbolic Links

(CDSLs), 145, 146, 158-63, 310–13, 582

additional, since cluster creation, 311

broken, repairing, 313

cdslinvchk(8) command and, 159-60

creation, 267

defined, 147

exporting file systems containing, 605-6

maintaining, 159-62

mkcdsl(8) command and, 158-59

mv(1) command and, 162, 312-13

public service announcement, 158

removing, 160, 313

resolved, 147

root (/) directory, 156

shells and, 162-63

/usr directory, 157

/var directory, 157

cp(1) command, 162, 312, 652

CPU

defined, 17

multiple, systems, 19-20

single, computer, 17-19

crashdc(8) command, 581

Crash files, 800

cron(8) daemon, 627-28

Crontab file, 627, 706

C shell, 162

csh shell, 162, 163

csid, 492

Customer Specific Patches (CSPs)

defined, 651

installing, 651-52

cut(1) command, 171