Red Hat Enterprise Linux 6 DM Multipath

 

Red_Hat_Enterprise_Linux-6-DM_Multipath-en-US.pdf

 

 

Red Hat Enterprise Linux 6
DM Multipath

 

 

Preface
1. Audience
2. Related Documentation
3. We Need Feedback!
4. Document Conventions
4.1. T ypographic Conventions
4.2. Pull-quote Conventions
4.3. Notes and Warnings
Chapter 1. Device Mapper Multipathing
1.1. New and Changed Features
1.1.1. New and Changed Features for Red Hat Enterprise Linux 6.0
1.1.2. New and Changed Features for Red Hat Enterprise Linux 6.1
1.1.3. New and Changed Features for Red Hat Enterprise Linux 6.2
1.1.4. New and Changed Features for Red Hat Enterprise Linux 6.3
1.1.5. New and Changed Features for Red Hat Enterprise Linux 6.4
1.1.6. New and Changed Features for Red Hat Enterprise Linux 6.5
1.2. Overview of DM-Multipath
1.3. Storage Array Support
1.4. DM-Multipath Components
1.5. DM-Multipath Setup Overview
Chapter 2. Multipath Devices
2.1. Multipath Device Identifiers
2.2. Consistent Multipath Device Names in a Cluster
2.3. Multipath Device Attributes
2.4. Multipath Devices in Logical Volumes
Chapter 3. Setting Up DM-Multipath
3.1. Setting Up DM-Multipath
3.2. Ignoring Local Disks when Generating Multipath Devices
3.3. Configuring Storage Devices
3.4. Setting Up Multipathing in the initramfs File System
Chapter 4 . The DM-Multipath Configuration File
4.1. Configuration File Overview
4.2. Configuration File Blacklist
4.2.1. Blacklisting by WWID
4.2.2. Blacklisting By Device Name
4.2.3. Blacklisting By Device T ype
4.2.4. Blacklist Exceptions
4.3. Configuration File Defaults
4.4. Multipaths Device Configuration Attributes
4.5. Configuration File Devices
Chapter 5. DM-Multipath Administration and Troubleshooting
5.1. Resizing an Online Multipath Device
5.2. Moving root File Systems from a Single Path Device to a Multipath Device
5.3. Moving swap File Systems from a Single Path Device to a Multipath Device
5.4. T he Multipath Daemon
5.5. Issues with Large Number of LUNs
5.6. Issues with queue_if_no_path feature
5.7. Multipath Command Output
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Table of Contents
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