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3. Creating an HDLM Environment
273
• rr for the Round Robin algorithm
•
exrr for the Extended Round Robin algorithm
•
lio for the Least I/Os algorithm
•
exlio for the Extended Least I/Os algorithm
•
lbk for the Least Blocks. algorithm
•
exlbk for the Extended Least Blocks algorithm
The type of algorithm specified by the
-lbtype parameter remains stored in the
system, even if, you disable the load balancing function by specifying
-lb off. If you
decide to re-enable load balancing at a later time, and you do not specify an algorithm,
load balancing will still be executed by using the algorithm that was previously
specified.
(2) Setting Up Path Health Checking
You can choose whether you want to use path health checking.
The following is an example of using a command to enable path health checking.
# /opt/DynamicLinkManager/bin/dlnkmgr set -pchk on -intvl 10
To enable path health checking, specify on. Specify off otherwise. When you specify
on, you can use the -intvl parameter to specify the checking interval. The value that
was specified previously will be applied if the checking interval is not specified. For
example, specify the path health check as
off after specifying the checking interval as
15 minutes and executing. Then, when executing after specifying the path health check
as
on without specifying the checking interval, the 15 minutes that were specified
previously will be applied again.
(3) Setting Up the Automatic Failback Function
When intermittent error monitoring is enabled and the number of error occurrences is
2 or more, the following condition must be satisfied.
error-monitoring-interval >= checking-interval-for-automatic-failbacks x
number-of-times-an-error-is-to-occur-during-intermittent-error-monitoring
If this condition is not satisfied, an error will occur and the warning message
KAPL01080-W will be output.
If this happens, change any of the following settings: the checking interval for
automatic failbacks, the intermittent error-monitoring interval, or the number of times
that the error needs to occur.
- 3000-3-F04-60(E) 1
- Summary of Amendments 3
- Intended Readers 5
- Organization of This Manual 5
- Related Publications 6
- Conventions: Abbreviations 7
- Conventions: Diagrams 13
- MakeDatabase 14
- StoreDatabase temp DB32 14
- Contents 17
- 4. HDLM Operation 329 20
- 5. Troubleshooting 387 21
- 6. Command Reference 397 21
- 7. Utility Reference 463 22
- 8. Messages 523 23
- Appendixes 691 23
- Index 715 24
- 1. Overview of HDLM 25
- 1.1 What is HDLM? 26
- • Lightning 9900V series 27
- • Thunder 9500V series 27
- • Virtual Storage Platform 27
- 1.2 HDLM Features 28
- 2. HDLM Functions 29
- 2.1 Devices Managed by HDLM 30
- 2.2 System Configuration 31
- Components Description 33
- 2.3 LU Configuration 36
- Table 2-3: LU Components 37
- 2.4 Program Configuration 38
- /dev/sddlm[aa-pap][1-15] 41
- 2.8.2 Manual Path Switching 52
- 2.8.3 Path Status Transition 53
- Failback Is Used) 56
- Online status 57
- Offline(E) 58
- Offline(C) 61
- 2.11 Error Management 63
- (installgetras) 67
- Audit Log 69
- 2.12.4 Audit Log Data Formats 75
- -mm-ddThh:mm:ss.s time-zone 76
- BasicLog 76
- Explanation 77
- 2.14 Cluster Support 80
- 3.1 HDLM System Requirements 82
- If an FC-SAN is used: 95
- If an IP-SAN is used: 95
- Enterprise Linux 5 131
- HDLM Version and 133
- HDLM Version and Service 134
- DLMgetras) 139
- /tmp 570 KB 148
- 3.3 HDLM Installation Types 155
- /var/tmp/ 156
- 3.5.2 Notes on Linux 158
- 3.6 Installing HDLM 163
- # vgdisplay -v 165
- Vo l u m e ) 166
- consists of /dev/sde 166
- /media/cdrom 169
- /media/cdrecorder 169
- # mdadm -S --scan 175
- VOL01234 178
- # volname /dev/cdrom 178
- /media/cdrom: 184
- /dev/vg01/lvol1 and the 189
- /mnt/lvol1: 189
- Environment 199
- : 201
- Device Is Used as a Boot Disk 212
- /etc/grub.conf 213
- /boot/grub/menu.lst 213
- /etc/lilo.conf 213
- /etc/elilo.conf 213
- Device as a Boot Disk 221
- # vgscan 232
- /etc/lvm/lvm.conf file 236
- Edit the shaded portion 238
- HDLM Device 250
- 3.8 Settings for LUKS 253
- 3.8.1 Notes on Using LUKS 253
- 3.9 Settings for md Devices 256
- 3.9.2 Creating an md Device 257
- /dev/md0: 261
- 3.10 Settings for LVM2 270
- 3.10.1 Notes on Using LVM2 270
- and /dev/ 275
- as physical volumes: 275
- 8. Execute the VG scan 280
- 3.11 Settings for Xen 282
- 3.12 Settings for KVM 284
- 3.13 Settings for Heartbeat 286
- 3.14 Settings for Oracle RAC 287
- DISKTIMEOUT 288
- 3.15 Settings for the RHCM 290
- 3.15.1 Notes on Using RHCM 290
- Enterprise Linux 6 291
- 3.16 Settings for VCS 292
- 3.18 Setting Up HDLM 295
- -lbtype option: 296
- /var/opt/ 305
- LINUX Enterprise Server 306
- Software Is Not Used) 308
- 3.21.1 Mounting a File System 308
- 3.21.2 Creating a File System 308
- /etc/fstab file. In this 310
- Already Set 311
- HDLM device 313
- /etc/fstab file 315
- 3.23.11 Uninstalling HDLM 335
- (HNTRLib2) 350
- 4. HDLM Operation 353
- 4.1 Notes on Using HDLM 354
- 4.1.1 Notes Common to OSs 354
- Oracle Enterprise Linux 4 356
- 4.3.1 Notes on Using Commands 365
- 4.3.4 Viewing LU Information 367
- SCSI Device, and LDEV 368
- 4.3.9 Updating the License 372
- 4.5 HDLM Resident Processes 379
- 4.6.1 Replacing HBAs 380
- 4.6.2 Replacing a Fiber Cable 388
- -), execute 395
- Table 4-4: Add SCSI Devices 405
- 5. Troubleshooting 411
- HDLM Error Information 412
- 5.3.1 Examining the Messages 416
- 5.3.2 Obtain Path Information 416
- 5.4.1 Examining the Messages 418
- 6. Command Reference 421
- ") 423
- 6.2.1 Format 424
- 6.2.2 Parameters 424
- 6.3.1 Format 426
- 6.3.2 Parameter 426
- Example 3 427
- operation 427
- 6.4.1 Format 428
- 6.4.2 Parameters 428
- 6.5.1 Format 433
- 6.5.2 Parameters 433
- 6.6.1 Format 438
- 6.6.2 Parameters 438
- 0, and then 447
- 6.7.1 Format 455
- -sys) to specify the program 457
- Items of Path information 469
- -path parameter or the 469
- -path -item parameter 469
- -path -c parameter 469
- -item parameter 473
- All items are displayed all 477
- SLPR slpr 479
- Table 6-17: LU Information 480
- -lu -item parameter 483
- -lu -c -item parameter 483
- 7. Utility Reference 487
- 7.1 Overview of the Utilities 488
- 7.2.1 Format 490
- 7.2.2 Parameters 490
- *.rules files in that 503
- 7.3.1 Format 513
- 7.3.2 Parameters 513
- /dev/sddlmaa 514
- (dlmcfgmgr -r) 515
- 7.4.1 Format 524
- 7.4.2 Parameters 524
- -b boot-directory 526
- 7.5.1 Format 527
- 7.5.2 Parameters 527
- 7.6.1 Format 530
- 7.6.2 Parameters 530
- /etc/modprobe.conf 532
- 7.7.1 Format 534
- 7.8.1 Format 535
- Information 536
- 7.9.1 Format 536
- 7.9.2 Parameters 536
- utility was executed 537
- 7.10.1 Format 538
- 7.10.2 Parameters 538
- 7.11.1 Format 545
- 7.11.2 Parameters 545
- 7.11.3 Log file 545
- 8. Messages 547
- • HDLM alert driver 549
- • HDLM management target 549
- 8.2 KAPL01001 to KAPL02000 550
- KAPL01005-W 551
- KAPL01006-W 551
- KAPL01007-W 551
- KAPL01008-W 551
- KAPL01009-W 552
- KAPL01012-E 552
- KAPL01013-E 552
- KAPL01014-W 553
- KAPL01015-W 553
- KAPL01016-W 553
- KAPL01018-W 553
- KAPL01019-W 554
- KAPL01021-E 554
- KAPL01023-W 555
- KAPL01024-W 555
- KAPL01036-E 555
- KAPL01039-W 555
- KAPL01040-W 556
- KAPL01041-E 556
- KAPL01044-W 556
- KAPL01045-W 556
- KAPL01048-W 557
- KAPL01049-I 557
- KAPL01050-I 557
- KAPL01051-I 558
- KAPL01052-I 558
- KAPL01053-I 558
- KAPL01054-W 559
- KAPL01055-I 559
- KAPL01056-I 559
- KAPL01057-I 560
- KAPL01058-W 560
- KAPL01059-W 560
- KAPL01060-I 561
- KAPL01061-I 561
- KAPL01063-I 561
- KAPL01068-I 562
- KAPL01069-W 562
- KAPL01070-E 562
- KAPL01071-I 562
- KAPL01079-W 564
- KAPL01080-W 564
- KAPL01081-E 564
- KAPL01082-E 564
- KAPL01083-I 565
- KAPL01084-W 565
- KAPL01088-W 565
- KAPL01089-E 566
- KAPL01095-E 566
- KAPL01096-E 566
- KAPL01097-W 566
- KAPL01100-I 567
- KAPL01107-I 567
- KAPL01111-E 567
- KAPL01112-E 567
- KAPL01113-E 568
- KAPL01114-W 568
- KAPL01115-W 568
- KAPL01116-W 569
- KAPL01117-W 569
- KAPL01118-W 569
- KAPL01119-W 569
- KAPL01120-W 570
- KAPL01122-W 570
- KAPL01123-W 570
- KAPL01124-W 570
- KAPL01125-E 571
- KAPL01126-E 571
- KAPL01127-E 571
- KAPL01128-W 571
- 8.3 KAPL03001 to KAPL04000 572
- KAPL03007-E 573
- KAPL03008-E 573
- KAPL03999-E 573
- 8.4 KAPL04001 to KAPL05000 575
- KAPL04009-E 576
- KAPL04010-E 576
- KAPL04011-E 576
- KAPL04012-E 577
- KAPL04013-E 577
- KAPL04014-E 577
- KAPL04019-E 577
- KAPL04021-I 578
- KAPL04022-W 578
- KAPL04023-E 578
- KAPL04024-C 579
- KAPL04025-C 579
- KAPL04026-I 579
- KAPL04027-I 579
- KAPL04047-W 582
- KAPL04048-W 582
- KAPL04049-W 582
- KAPL04050-E 582
- KAPL04051-E 583
- KAPL04052-E 583
- KAPL04053-W 583
- 8.5 KAPL05001 to KAPL06000 584
- KAPL05014-I 585
- KAPL05018-W 585
- KAPL05019-I 586
- KAPL05020-I 586
- KAPL05021-I 586
- KAPL05023-E 586
- DLMgetras 587
- KAPL05708-E 588
- KAPL05709-I 588
- KAPL05711-I 589
- KAPL05712-I 589
- KAPL05819-I 589
- 8.6 KAPL06001 to KAPL07000 591
- KAPL06010-E 592
- KAPL06013-E 592
- KAPL06014-E 593
- KAPL06100-E 593
- KAPL06101-E 593
- Reinstall an HDLM 594
- 8.7 KAPL07001 to KAPL08000 595
- 8.8 KAPL08001 to KAPL09000 596
- KAPL08023-I 597
- KAPL08026-E 597
- PathID = aa...aa 598
- 8.9 KAPL09001 to KAPL10000 599
- KAPL09013-E 600
- KAPL09019-E 600
- KAPL09020-E 600
- KAPL09021-E 600
- KAPL09023-E 601
- KAPL09024-E 601
- KAPL09026-I 601
- KAPL09028-E 601
- KAPL09035-E 602
- KAPL09036-E 602
- KAPL09037-E 602
- KAPL09038-E 602
- KAPL09039-E 603
- KAPL09040-E 603
- KAPL09043-I 603
- KAPL09044-I 603
- KAPL09045-E 604
- KAPL09046-E 604
- KAPL09047-E 604
- KAPL09049-W 604
- KAPL09050-E 605
- KAPL09051-E 605
- KAPL09076-I 605
- KAPL09077-I 605
- KAPL09097-E 609
- KAPL09098-E 609
- KAPL09113-E 609
- KAPL09114-I 609
- KAPL09115-W 610
- KAPL09116-W 610
- KAPL09121-E 610
- KAPL09135-E 611
- KAPL09142-E 611
- KAPL09143-E 611
- KAPL09146-E 611
- KAPL09147-E 612
- KAPL09160-E 612
- KAPL09163-E 612
- KAPL09177-I 613
- KAPL09191-W 613
- KAPL09199-E 613
- KAPL09210-I 614
- KAPL09211-I 614
- KAPL09212-E 614
- KAPL09213-W 614
- KAPL09215-E 615
- KAPL09216-E 615
- KAPL09217-E 616
- KAPL09218-E 616
- KAPL09219-E 617
- KAPL09220-W 617
- KAPL09221-W 618
- KAPL09227-W 618
- KAPL09228-W 618
- KAPL09229-W 619
- KAPL09230-W 619
- KAPL09231-W 619
- KAPL09232-W 620
- KAPL09233-W 620
- KAPL09234-W 620
- KAPL09238-W 621
- KAPL09239-I 621
- KAPL09240-I 621
- KAPL09244-E 621
- KAPL09501-E 623
- KAPL09505-E 623
- KAPL09509-E 623
- KAPL09510-E 624
- KAPL09511-E 624
- KAPL09601-E 624
- KAPL09602-E 624
- KAPL09603-E 625
- KAPL09604-E 625
- 8.10 KAPL10001 to KAPL11000 626
- KAPL10005-W 627
- KAPL10006-W 627
- KAPL10007-W 627
- KAPL10008-W 627
- KAPL10009-W 628
- KAPL10010-W 628
- KAPL10011-W 628
- KAPL10012-W 629
- KAPL10013-W 629
- KAPL10014-W 630
- KAPL10015-W 630
- KAPL10016-W 630
- KAPL10017-W 631
- KAPL10020-I 631
- KAPL10021-I 631
- KAPL10034-E 633
- KAPL10035-E 633
- KAPL10036-E 633
- KAPL10037-W 634
- KAPL10049-I 634
- KAPL10050-I 634
- KAPL10301-I 634
- KAPL10302-I 635
- KAPL10305-E 635
- KAPL10306-W 635
- KAPL10308-W 635
- KAPL10309-W 636
- KAPL10312-I 636
- KAPL10313-I 636
- KAPL10314-I 636
- KAPL10316-E 637
- KAPL10318-E 637
- KAPL10319-W 637
- KAPL10320-E 638
- KAPL10321-W 638
- KAPL10322-E 639
- KAPL10323-E 639
- KAPL10324-I 639
- KAPL10325-E 640
- KAPL10326-E 640
- KAPL10327-W 640
- KAPL10328-E 641
- KAPL10329-E 641
- KAPL10330-E 641
- KAPL10331-E 642
- KAPL10332-E 642
- KAPL10333-E 642
- KAPL10334-E 643
- KAPL10335-E 643
- KAPL10336-W 644
- KAPL10337-W 644
- KAPL10338-W 644
- KAPL10339-I 644
- KAPL10340-E 645
- KAPL10341-I 645
- KAPL10343-I 645
- KAPL10344-I 646
- KAPL10345-I 646
- KAPL10346-I 647
- KAPL10347-I 647
- KAPL10348-I 647
- KAPL10349-I 647
- KAPL10350-E 648
- KAPL10351-E 648
- KAPL10352-W 649
- KAPL10353-W 649
- KAPL10354-E 649
- KAPL10355-E 650
- KAPL10356-E 650
- KAPL10357-E 650
- KAPL10358-E 651
- KAPL10359-E 651
- KAPL10360-I 651
- KAPL10361-I 652
- KAPL10362-W 652
- KAPL10363-W 653
- KAPL10364-I 653
- KAPL10365-W 654
- KAPL10366-I 654
- KAPL10641-I 654
- KAPL10642-I 654
- KAPL10643-W 655
- KAPL10644-W 655
- KAPL10645-W 655
- KAPL10646-W 655
- KAPL10648-E 656
- KAPL10649-E 656
- KAPL10650-I 656
- KAPL10651-I 656
- KAPL10652-E 657
- KAPL10653-W 657
- KAPL10665-I 657
- KAPL10920-W 657
- KAPL10922-E 658
- KAPL10923-E 658
- KAPL10934-W 658
- KAPL10935-W 659
- KAPL10936-W 659
- KAPL10937-W 659
- KAPL10938-I 660
- KAPL10939-W 660
- KAPL10940-W 660
- KAPL10941-W 661
- KAPL10942-W 661
- KAPL10943-W 661
- KAPL10944-I 662
- KAPL10948-W 662
- 8.11 KAPL11001 to KAPL12000 664
- KAPL11903-I 665
- KAPL11904-E 665
- KAPL11905-E 666
- KAPL11906-I 666
- XML reception - aa...aa 667
- XML transmission - aa...aa 667
- 8.12 KAPL12001 to KAPL13000 668
- KAPL12305-I 669
- KAPL12325-I 673
- KAPL12326-E 673
- KAPL12327-E 675
- KAPL12328-I 675
- KAPL12329-I 675
- KAPL12330-I 675
- KAPL12331-E 676
- KAPL12332-E 676
- KAPL12333-E 677
- KAPL12334-E 677
- KAPL12335-E 677
- KAPL12559-E 681
- KAPL12560-E 681
- KAPL12561-E 681
- KAPL12562-E 681
- KAPL12563-E 682
- KAPL12564-E 682
- KAPL12565-E 682
- KAPL12566-E 682
- KAPL12567-E 683
- KAPL12568-E 683
- KAPL12801-E 683
- KAPL12802-E 684
- KAPL12851-E 684
- KAPL12852-E 684
- KAPL12901-E 684
- KAPL12902-E 685
- 8.13 KAPL13001 to KAPL14000 686
- KAPL13401-E 687
- KAPL13402-E 687
- KAPL13403-E 687
- KAPL13404-W 687
- KAPL13405-E 688
- KAPL13406-E 688
- KAPL13407-I 688
- KAPL13408-E 688
- KAPL13409-I 689
- KAPL13410-I 689
- KAPL13411-W 689
- KAPL13412-E 689
- KAPL13413-W 690
- KAPL13414-E 690
- KAPL13415-E 690
- KAPL13416-E 690
- KAPL13519-E 695
- KAPL13520-E 695
- KAPL13521-E 695
- KAPL13522-E 695
- KAPL13601-W 696
- KAPL13602-W 696
- KAPL13603-W 696
- KAPL13604-W 696
- KAPL13909-W 699
- KAPL13910-W 699
- KAPL13911-E 699
- KAPL13912-E 699
- /sbin/modprobe: 700
- /bin/mknod: 700
- 8.14 KAPL15001 to KAPL16000 701
- KAPL15404-W 707
- Component 708
- DLMgetras utility, see 709
- Appendixes 715
- A.2 Notes on Linux Commands 716
- A.4 Notes on the mkfs Command 718
- A.6 Notes on the sar Command 719
- Online(E) 729
- /etc/opt/ 729
- DynamicLinkManager 729
- Versions Earlier Than 5.6.3 730
- Versions Earlier Than 5.4 730
- D. Glossary 731
- /dev directory 735
- AutoPATH_ID 736
- Offline(E) status 736
- , 8, 9, 10, 708 740
- , 396, 466 740
- , 152, 713 746
- , 152, 258 746
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