HP 3PAR Betriebsanweisung Seite 649
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• If one or more chunklet statistics collection processes are running, the tunepd command exits
to prevent possible tunepd –chstat on processes running simultaneously.
• Use the –chstat force option only when you have verified that no other tunepd processes
are running.
EXAMPLES
In the following example, PDs with average service times exceeding 50 milliseconds are identified
and their chunklets automatically relocated to rebalance the PDs’ load.
cli% tunepd –vvlayout –chstat –movech auto avgsvct 50
Collecting I/O statistic for physical disks (PDs) ...
PdId Pos APort BPort Iops Kbps Svct(ms) IOSz(KB)
---- ------ -------- -------- -------- -------- ---------- ------------
29 1:3:3 0:4:1 1:5:1* 231.9 8668.8 87.0 37.4
The following physical disks were identified as candidates
for load balancing: 29
Layout of related virtual volumes (on candidate physical disks).
VvId VvName LdId LdName Avail RAID PdId
------ ------------- ------ ----------------- ------- ------- ----
0 admin 5 admin.usr.2 cage 1
0,2,4,6,8,10,12,14,17,19
23,25,27,29
1 vv0 8 vv0.usr.2 cage 1
0,2,4,6,8,10,12,14,17,19
23,25,27,29
2 vv1 11 vv1.usr.1 mag 5 2,6,19,29
Enable statistic collection for chunklets on PD 29
Collecting statistic for chunklets of candidate PDs...
Disable statistic collection for chunklets on PD 29
Statistic of chunklets of candidate PDs:
PdId PdCh LdId LdName LdCh Iops Kbps Svct(ms) IOSz(KB)
----- ------ ------ ---------------- ------ -------- -------- -----------
------------
29 20 8 vv0.usr.2 29 22.8 842.7 109.9 37.0
29 19 8 vv0.usr.2 17 22.0 842.7 113.7 38.2
29 18 8 vv0.usr.2 5 7.8 282.3 117.0 36.3
29 26 11 vv1.usr.1 23 42.0 1561.6 77.0 37.2
29 25 11 vv1.usr.1 19 37.8 1401.4 70.2 37.1
29 24 11 vv1.usr.1 15 39.5 1454.1 73.3 36.8
29 23 11 vv1.usr.1 11 35.3 1333.6 73.1 37.7
29 22 11 vv1.usr.1 7 26.5 1018.1 76.8 38.4
Statistic of Logical disks of candidate PDs:
PdId LdId LdName Iops Kbps Svct(ms) IOSz(KB)
------ ----- ---------------- -------- --------- ---------- ------------
29 8 vv0.usr.2 52.6 1967.8 112.5 37.4
29 11 vv1.usr.1 181.1 6768.8 74.0 37.4
Statistic of candidate physical disks:
PdId Pos APort BPort Iops Kbps Svct(ms) IOSz(KB)
----- ------- ------- -------- -------- -------- ---------- ------------
29 1:3:3 0:4:1 1:5:1* 233.7 8736.6 82.7 37.4
tunepd 649
- HP 3PAR OS 3.1.2 1
- Contents 3
- 4 Contents 4
- Contents 5 5
- 6 Contents 6
- Contents 7 7
- 8 Contents 8
- Contents 9 9
- 10 Contents 10
- Syntax and Conventions 11
- Syntax Rules 11
- Glob-Style Pattern 12
- Numbering Formats 13
- Object Sets 13
- Regular Expressions Patterns 13
- Provisioning 14
- VV Name Patterns 15
- COMMAND NAME 16
- Exit Status 17
- 2 Commands Quick Reference 18
- Domain Management Commands 19
- Alert Severity Levels 20
- Help and Utility Commands 21
- Task Management Commands 21
- LDAP Management Commands 22
- Licensing Management Commands 22
- Node Date Information 23
- Controller Node Properties 23
- Controller Node EEPROM Log 23
- Port Information 24
- Battery Management 25
- System Manager 25
- Node Rescue 25
- Chunklet Statistics 25
- System Tuner 27
- Dynamic Optimization 27
- Virtual Volume Statistics 27
- Preserved Data Commands 28
- Replication Commands 28
- Service Commands 30
- General System Maintenance 31
- QoS Commands 31
- SNMP Agent Commands 32
- System Reporter Commands 33
- CIM Server Commands 34
- Sparing Commands 34
- SSH Access Commands 35
- Task Schedule Commands 35
- User Management Commands 36
- Volume Management Commands 37
- Logical Disk Management 38
- Space and Storage Management 38
- Template Management 39
- Virtual Volume Management 39
- 3 Add Command 42
- 4 Admit Commands 44
- 20 disks admitted 46
- 46 Admit Commands 46
- “showpd” (page 420) 47
- 48 Admit Commands 48
- 50 Admit Commands 50
- 2 VVs admitted 54
- 54 Admit Commands 54
- 5 Cancel Command 55
- 6 Change Command 56
- 7 Check Commands 57
- 60 Check Commands 60
- 62 Check Commands 62
- 66 Check Commands 66
- # checkrclink stopclient 69
- # checkrclink stopserver 69
- 8 CLI Command 72
- ENVIRONMENT VARIABLES 74
- 9 Compact Commands 75
- 10 Control Commands 79
- 86 Control Commands 86
- 90 Control Commands 90
- 94 Control Commands 94
- 11 Create Commands 95
- 96 Create Commands 96
- 100 Create Commands 100
- 102 Create Commands 102
- SPECIFIERS 103
- RESTRICTIONS 103
- EXAMPLES 103
- • GB = 1024 MB 104
- • TB = 1024 GB 104
- For this command: 104
- • MB = 1048576 bytes 104
- 106 Create Commands 106
- DESCRIPTION 107
- AUTHORITY 107
- 112 Create Commands 112
- ◦ MB = 1048576 bytes 114
- ◦ GB = 1073741824 bytes 114
- 116 Create Commands 116
- 124 Create Commands 124
- 128 Create Commands 128
- 1:4:1:23410002AC000060 130
- 130 Create Commands 130
- 134 Create Commands 134
- 140 Create Commands 140
- 142 Create Commands 142
- 146 Create Commands 146
- 148 Create Commands 148
- 162 Create Commands 162
- To add a VV to the set: 163
- 12 Dismiss Commands 164
- 166 Dismiss Commands 166
- 168 Dismiss Commands 168
- 13 Free Command 170
- 14 Grow Commands 171
- 172 Grow Commands 172
- 178 Grow Commands 178
- # growvv vv1 2t 179
- 15 Hist Commands 180
- 188 Hist Commands 188
- 192 Hist Commands 192
- ◦ less than or equal to 31 195
- 198 Hist Commands 198
- 200 Hist Commands 200
- 202 Hist Commands 202
- 16 Import Command 204
- 17 Locate Commands 206
- 208 Locate Commands 208
- 18 Move Commands 210
- 212 Move Commands 212
- 214 Move Commands 214
- (quality) of the moves 216
- 218 Move Commands 218
- 222 Move Commands 222
- 19 Promote Commands 225
- 20 Remove Commands 228
- 230 Remove Commands 230
- 234 Remove Commands 234
- 236 Remove Commands 236
- 238 Remove Commands 238
- 240 Remove Commands 240
- # removercopytarget System1 242
- # removercopytarget System2 242
- 242 Remove Commands 242
- 244 Remove Commands 244
- EXIT STATUS 245
- 246 Remove Commands 246
- 248 Remove Commands 248
- 250 Remove Commands 250
- Remove the following tasks? 251
- Remove all tasks? 252
- 252 Remove Commands 252
- User removed 254
- 254 Remove Commands 254
- 260 Remove Commands 260
- 21 Service Commands 261
- SUBCOMMANDS 265
- 268 Service Commands 268
- 22 Set Commands 271
- 272 Set Commands 272
- 278 Set Commands 278
- 280 Set Commands 280
- (see “showcage” (page 361)) 281
- 282 Set Commands 282
- MinimumDefaultNumber of Nodes 287
- 24 GB96 GB5-6 287
- 32 GB128 GB7-8 287
- 288 Set Commands 288
- 290 Set Commands 290
- 294 Set Commands 294
- 308 Set Commands 308
- Old password: 310
- 310 Set Commands 310
- 312 Set Commands 312
- 318 Set Commands 318
- 322 Set Commands 322
- 324 Set Commands 324
- 326 Set Commands 326
- 328 Set Commands 328
- 330 Set Commands 330
- 332 Set Commands 332
- 336 Set Commands 336
- 338 Set Commands 338
- 340 Set Commands 340
- 342 Set Commands 342
- 348 Set Commands 348
- 23 Show Commands 350
- 352 Show Commands 352
- 358 Show Commands 358
- 360 Show Commands 360
- 366 Show Commands 366
- 368 Show Commands 368
- 372 Show Commands 372
- Node Date 373
- Id Name Members 377
- 7 domainset domainset.1 377
- domainset.2 377
- 380 Show Commands 380
- 396 Show Commands 396
- 404 Show Commands 404
- Restrictions 410
- 422 Show Commands 422
- ◦ failed – The PD has failed 424
- 436 Show Commands 436
- ◦ alpa_wait. ALPA waiting 442
- ◦ login_wait. Login waiting 442
- ◦ ready. Link is ready 442
- 450 Show Commands 450
- 452 Show Commands 452
- 458 Show Commands 458
- # showrctransport 464
- 464 Show Commands 464
- 466 Show Commands 466
- 468 Show Commands 468
- 470 Show Commands 470
- [password] 474
- 474 Show Commands 474
- 480 Show Commands 480
- 482 Show Commands 482
- Capacities 485
- 488 Show Commands 488
- Name Type Other Options 494
- 494 Show Commands 494
- 496 Show Commands 496
- Joe all super N 497
- 498 Show Commands 498
- 508 Show Commands 508
- ◦ copy_source. Copy Source 512
- 518 Show Commands 518
- 522 Show Commands 522
- 24 Shutdown Commands 530
- 532 Shutdown Commands 532
- 26 Start Commands 577
- 580 Start Commands 580
- # startrcopy 582
- 582 Start Commands 582
- # startrcopygroup Group1 583
- 584 Start Commands 584
- 586 Start Commands 586
- 27 Stat Commands 588
- 596 Stat Commands 596
- 608 Stat Commands 608
- 618 Stat Commands 618
- 622 Stat Commands 622
- 624 Stat Commands 624
- 626 Stat Commands 626
- 630 Stat Commands 630
- 632 Stat Commands 632
- 28 Stop Commands 633
- # stoprcopy –stopgroups 634
- 634 Stop Commands 634
- # stoprcopygroup Group1 636
- 636 Stop Commands 636
- 29 Sync Command 639
- 640 Sync Command 640
- 30 Tune Commands 642
- 644 Tune Commands 644
- Task 999 started 652
- 652 Tune Commands 652
- 654 Tune Commands 654
- 31 Update Commands 658
- Updating VV avvro 660
- 660 Update Commands 660
- 32 Upgrade Commands 662
- 664 Upgrade Commands 664
- 33 Wait Command 665
- Contacting HP 666
- HP 3PAR documentation 666
- Typographic conventions 669
- HP 3PAR branding information 669
- 35 Documentation feedback 670
- 672 Index 672
- 674 Index 674
- 676 Index 676
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