Index_D

D

dccd.dat file, 173

dcdd.dat file, 173

dd command, 415, 419

ddr.db, 174

dec_cdb, 174

dec_devsw_db, 174

dec_hwc_ldb, 174-75

dec_hw_db, 174

DECsafe ASE, 4

dec_scsi_db, 175

dec_unid_db, 175-76

Deleting cluster members, 302-6

with clu_delete_member

command, 302-6

completion, 306

one at a time, 282

steps for, 303-4

See also Cluster members

Dependent resources, 730-31

devAPP application resource, 742-43

/dev directory, reinitializing, 193-94

Device Request Dispatcher (DRD), 30, 403–32

access member name, changing, 410-12

checking, 276-77

concepts, 403-10

configuring, 410-15

defined, 30, 403

events, 432

by example, 415-32

handling requests, 30

information on, 277

I/Os returned to, 409

looking for devices, 404

path failure response, 426-32

relationships, 30

rerouting of I/O, 55

statistics, 419

statistics, querying, 422

Devices

checking paths to, 421

cluster-wide naming, 403-4

DAIO, 349, 406-8

DRD looking for, 404

I/O subsystem relationship, 361

served, 408, 413-14, 422-26

statistics, resetting, 414

viewing, 314

/devices directory, reinitializing, 193-94

Device Special File Manager. See dsfmgr

command

Device special files

block, 418

checking, for inconsistencies, 194

creating, for new device, 189

databases, error-free verification, 192

errors, repairing, 192-93

EVM, 196

exchanging, 191

information, viewing, 189

location of, 168

naming conventions, 168

renaming, 189

tape, creating from installation CD, 194

df(1) command, 333

dfsc.dat file, 176-77

dfsl.dat file, 176-77

diff(1) command, 316, 502

DIOMAP tokens, 341

Direct Access Cached Reads, 346-47, 355

enabling, 347

illustrated, 347

non physical connection, 347

Direct-Access I/O (DAIO) devices, 349, 406-8

illustrated, 407

on private bus, 407

on private-bus examples, 420-22

on semi-shared bus, 411

on shared bus examples, 415-20

Direct I/O, 328, 345-46

Concurrent, 328, 346

enabling, 345

illustrated, 345

information on, 346

I/O flows with, 345

Disaster Tolerant (DT) clusters, 8

diskconfig(8) command, 62, 63

Disk Configuration application, 61-62

Disk groups, 366

connectivity, 367

deporting, from LSM, 376, 378

identifier (DGID), 377

importing, 374-81

importing, from cluster to cluster, 380-81

importing, from cluster to

standalone system, 379-80

importing, from standalone system

to cluster, 376-79

removing disks from, 396-97

volumes, initializing, 380

volumes, starting, 380

disklabel(8) command

checking disk label with, 369

partitioning with, 60-61

Disk labels

checking, 369

editing, 397, 400-401

replacing, 397

saving, 387, 397, 631

Disk partitions

encapsulating, 394

layout, 122

selections, verifying, 126

standalone layout, 126

unencapsulating, 398

Disk(s)

adding, to LSM, 387

for cluster, 246-49

cluster-common, 387

disklabel, editing, 249

Emergency Repair (ER), 645

encapsulating, 381-82, 394

"hot spare," 640

minimum configuration, 52

physical, 362

removing, from disk group, 396-97

requirement, 246-49

swap, 400

system, 78-80, 122

unencapsulating, 398

Distributed Lock Manager (DLM), 26, 27–28, 89, 555-60

cluster subsystem communication, 560

as cluster-wide mechanism, 28

for cluster-wide synchronization, 558

in component hierarchy, 559

create a lock, 557

defined, 28, 555

relationships, 28

for resource synchronization, 489

use of, 556

dn_setup command, 193-94

defined, 193

-init option, 193

-install_tape option, 194

LSM and, 402

-sanity_check option, 194

Domain Name Service (DNS) server

specification, 135, 139

DRD clients, 405

drdmgr(8) command, 276-77

-a switch, 413, 414

for checking paths to devices, 421

-h switch, 415, 416

output, 421

DRD server, 405

dsfmgr command, 173, 188-93, 318-20

database files, 188-89

defined, 188

-e option, 191, 192

-K option, 181, 189

-m option, 189, 190

-O option, 320

-o option, 320

options, 319

reference, 193

-R option, 191

-s option, 189, 319, 587

using, 318-20

-vF option, 192

-V option, 192

-Z option, 190

dumpsys(8) command, 799

dupatch program, 254, 255

in Non-Rolling Patch Upgrade, 783–84

rolling cluster members after, 777

dxkerneltuner(8) command, 354

Dynamic Device Recognition (DDR)

database, 174

Dynamic Host Configuration Protocol

(DHCP), 602-3

clients, 602, 603

database, 603

defined, 602

server, 602, 603

Dynamic routing

of cluster aliases, 449

daemons, 449-50