Table Of Contents - Red Hat ENTERPRISE LINUX 5 DM MULTIPATH Configuration And Administration Manual
Advertisement
Preface
1. Audience ........................................................................................................................ v
2. Related Documentation ................................................................................................... v
3. Feedback ....................................................................................................................... vi
4. Document Conventions ................................................................................................... vi
4.1. Typographic Conventions ..................................................................................... vi
4.2. Pull-quote Conventions ....................................................................................... viii
4.3. Notes and Warnings ........................................................................................... viii
1.1. Overview of DM-Multipath ............................................................................................. 1
1.2. Storage Array Support .................................................................................................. 3
1.3. DM-Multipath Components ............................................................................................ 3
1.4. DM-Multipath Setup Overview ....................................................................................... 4
2.1. Multipath Device Identifiers ........................................................................................... 5
2.2. Consistent Multipath Device Names in a Cluster ............................................................ 5
2.3. Multipath Device Attributes ........................................................................................... 6
2.4. Multipath Devices in Logical Volumes ............................................................................ 6
3.1. Setting Up DM-Multipath ............................................................................................... 7
3.2. Ignoring Local Disks when Generating Multipath Devices ................................................ 8
3.3. Adding Devices to the Multipathing Database ............................................................. 10
4.1. Configuration File Overview ........................................................................................ 11
4.2. Configuration File Blacklist .......................................................................................... 12
4.2.1. Blacklisting by WWID ....................................................................................... 12
4.2.2. Blacklisting By Device Name ............................................................................ 12
4.2.3. Blacklisting By Device Type ............................................................................. 13
4.2.4. Blacklist Exceptions ......................................................................................... 13
4.3. Configuration File Defaults .......................................................................................... 14
4.4. Multipaths Device Configuration Attributes ................................................................... 17
4.5. Configuration File Devices .......................................................................................... 18
5.1. Resizing an Online Multipath Device ........................................................................... 23
5.2. The Multipath Daemon ............................................................................................... 24
5.3. Issues with Large Number of LUNs ............................................................................. 24
5.4. Issues with queue_if_no_path feature .......................................................................... 24
5.5. Multipath Command Output ........................................................................................ 25
5.6. Multipath Queries with multipath Command ................................................................. 25
5.7. Multipath Command Options ....................................................................................... 26
5.8. Determining Device Mapper Entries with the dmsetup Command ................................... 26
5.9. Troubleshooting with the multipathd Interactive Console ................................................ 27
v
1
5
7
11
23
29
31
iii
Advertisement
Troubleshooting
Related Manuals for Red Hat ENTERPRISE LINUX 5 DM MULTIPATH
-
Software Red Hat CLUSTER SUITE FOR ENTERPRISE LINUX 5.0 Overview
(78 pages)
-
Software Red Hat CLUSTER FOR ENTERPRISE LINUX 5.0 Configuration Manual
(114 pages)
-
Software Red Hat CLUSTER SUITE FOR ENTERPRISE LINUX 5.1 Configuration Manual
(114 pages)
-
Software Red Hat CLUSTER SUITE FOR ENTERPRISE LINUX 5.1 Overview
(78 pages)
-
Software Red Hat ENTERPRISE LINUX 5.1 DM MULTIPATH Configuration And Administration Manual
(38 pages)
-
Software Red Hat ENTERPRISE LINUX 5.1 - LVM ADMINISTRATION Manual
(108 pages)
-
Software Red Hat ENTERPRISE LINUX 5.1 - LINUX ORACLE Tuning Manual
Oracle 9i and 10g tuning guide (160 pages)
-
Software Red Hat ENTERPRISE LINUX 5.4 - RELEASE NOTES Release Note
(20 pages)
-
Software Red Hat ENTERPRISE LINUX 5.4 - SYSTEMTAP BEGINNERS GUIDE Manual
(80 pages)
-
Software Red Hat ENTERPRISE LINUX 5.4 - SYSTEMTAP LANGUAGE Reference Manual
Systemtap language reference (76 pages)
-
Software Red Hat ENTERPRISE LINUX 5.4 - SYSTEMTAP TAPSET Reference Manual
Systemtap tapset reference (86 pages)
-
Software Red Hat ENTERPRISE LINUX 5.4 - TECHNICAL NOTES Manual
(466 pages)
-
Software Red Hat ENTERPRISE LINUX 5.3 - RELEASE MANIFEST Manual
(162 pages)
-
Software Red Hat ENTERPRISE LINUX 5.3 - RELEASE NOTES Release Note
(240 pages)
-
Software Red Hat ENTERPRISE LINUX 5.5 - RELEASE NOTES 2010 Release Note
(14 pages)
-
Software Red Hat ENTERPRISE LINUX 5.5 - ONLINE STORAGE GUIDE Manual
(34 pages)
Related Content for Red Hat ENTERPRISE LINUX 5 DM MULTIPATH
- NETWORK SATELLITE 5.1.0 Getting The Contents Of A File
- NETWORK 4.1.0 Getting The Contents Of A File
- NETWORK 4.0.5 Getting The Contents Of A File
- NETWORK 4.0 Getting The Contents Of A File
- NETWORK 3.7 Getting The Contents Of A File
- NETWORK 3.6 Getting The Contents Of A File
- NETWORK 3.5 - PROVISIONING Getting The Contents Of A File
- NETWORK 3.4 - PROVISIONING Getting The Contents Of A File
- NETWORK 3.3 - PROVISIONING Getting The Contents Of A File
- NETWORK 3.2 - PROVISIONING Getting The Contents Of A File
- NETWORK 3.1 - PROVISIONING Getting The Contents Of A File
- LVM ADMINISTRATOR FOR RHEL 4.5 Metadata Contents
- LVM ADMINISTRATOR 5.0 Metadata Contents
- LINUX ES 2.1 System Requirements Table
- LINUX 7.1 - PSERIES System Requirements Table
- LINUX 7.2 - S-390 Installation Cross-Reference Table