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Changing a Virtual I/O Server's Method of Recognizing Virtual SCSI Disks
...................
B-6
Acronyms and abbreviations
Glossary
Index
xi
Hitachi Dynamic Link Manager User Guide for AIX
®
1
2
...
6
7
8
9
10
11
12
13
14
15
16
...
493
494
Dynamic Link Manager Software
1
Contents
3
Acronyms and abbreviations
11
Glossary
11
Intended audience
14
Product version
14
Release notes
14
Document revision level
14
Document organization
15
Related documents
15
Document conventions
16
Getting help
17
Comments
17
Data Systems Corporation
18
Thank you!
18
Overview of HDLM
19
What is HDLM?
20
HDLM Features
20
HDLM Functions
23
Cluster support
24
Devices Managed by HDLM
25
System Configuration
25
Components Description
26
LU Configuration
27
Program Configuration
28
Program name Functions
29
Load Balancing Algorithms
34
Automatic path switching
36
Figure 2-8 Path switching
37
Automatic failbacks
40
Manual path switching
41
Path status transition
42
Status transitions of a path
43
Checking intermittent errors
46
Monitoring
49
Function
52
Error management
53
Types of Collected Logs
54
Table 2-8 Error levels
55
Collecting Audit Log Data
57
Category Explanation
58
Audit Log Data Formats
63
Explanation
64
HDLM System Requirements
69
OS Kernel
70
# lslpp -L xlC.aix50.rte
70
Storage Systems
71
OS Related Programs
72
Configurations
73
Memory Requirements
76
Disk Capacity Requirements
76
Item Supported number
77
Types of HDLM Installation
78
Notes on Installing HDLM
79
Notes on a License Key
81
Notes on Trace Files
81
Notes on Storage Systems
82
Notes on the Cluster
82
Installing HDLM
83
Environments
85
Set Up the Hardware
89
Switch the Kernel Mode
90
Set Up Cluster Software
91
# lsdev -Cc disk
92
# umount /cdrom
98
# rm -r /cdrom
98
# shutdown -Fr
98
Stop Applications
102
File Description
103
Creating an HDLM Environment
103
Disk Environment)
126
Environment)
126
. Insert the DVD-ROM
131
. Unmount the DVD-ROM
133
. Mount the DVD-ROM
135
Setting up HDLM
139
Checking the Current Settings
140
Setting Up the HDLM Functions
140
Setting Up Load Balancing
141
Setting the Trace Level
145
Setting the Trace File Size
146
Value (severity) Explanation
147
Value Explanation
147
Checking the Updated Settings
148
Setting up Integrated Traces
149
Settings
150
Interval
153
About the Reservation Policy
156
Settings for Using PowerHA
157
Settings for Using GPFS
159
Settings for Using VCS
162
Removing HDLM
163
HDLM Operation
173
Notes on Using HDLM
174
Storage System
175
Notes on Shutting Down a Host
175
Notes on Errors in a Host
175
Viewed From the Same Server
176
Environment
176
Notes on Replicating a System
177
Notes on Using Commands
177
Viewing Path Information
177
Changing the Status of Paths
178
Viewing LU Information
180
Path IDs, and LDEVs
180
Viewing License Information
183
Updating the License
184
Starting the HDLM Manager
186
Stopping the HDLM Manager
186
HDLM Resident Processes
187
Changing hdisk attributes
189
Changing a Path
193
. Delete the path
194
Replacing an HBA
195
# cfgmgr -l fcsn
198
Available hdisk10 fscsi1
199
Replacing a Fiber Cable
200
Troubleshooting
205
What To Do for a Path Error
207
Examining the Messages
210
Obtaining Program Information
210
What To Do for Other Errors
211
Command Reference
213
Command format
214
Parameters
215
Parameter
216
Reference
223
Value Description
232
Table 6-4 Trace Level Values
233
Table 6-6 License Key Types
240
To Display Path Information
245
To display path information
245
[[slpr] [vg]
246
Examples
252
Displayed path information
259
-: Not displayed
263
number (the xx part
264
To Display LU Information
266
To display LU information
266
Example 2
269
Displayed LU information
271
Item Description
278
Utility Reference
285
Overview of the Utilities
287
Time of the Utilities
289
Output directory
293
Files Explanation
293
Supplemental Information:
297
Information
300
Environment ODM
305
[ODM_SETTINGS] section
320
Log file
326
Messages
329
Format Meaning
331
Terms Meaning
331
KAPL01001 to KAPL02000
332
Message Text Explanation
333
KAPL03001 to KAPL04000
363
KAPL04001 to KAPL05000
365
KAPL05001 to KAPL06000
375
KAPL06001 to KAPL07000
379
KAPL07001 to KAPL08000
382
KAPL08001 to KAPL09000
383
KAPL09001 to KAPL10000
387
KAPL10001 to KAPL11000
413
. Check whether you
416
. Check whether the
416
. Check that the disk
416
KAPL11001 to KAPL12000
439
KAPL13001 to KAPL14000
443
KAPL15001 to KAPL16000
456
Component
460
Message ID Explanation
461
Versions of HDLM
465
Add-in HDLM Driver Module
468
Commands of the utilities for
469
Corresponding AIX commands
469
0: Ignoring the reservation
471
2: Persistent reservation
471
PR_exclusive
471
Virtual SCSI Disks
472
Acronyms-2
474
Acronyms-3
475
Acronyms-4
476
Acronyms-5
477
Acronyms-6
478
Glossary-2
480
Glossary-3
481
Glossary-4
482
Glossary-5
483
Glossary-6
484
Glossary-7
485
Glossary-8
486
MK-92DLM111-27
494
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