Jump To Close Expand all Collapse all Table of contents DM Multipath Preface Expand section "Preface" Collapse section "Preface" 1. About This Guide 2. Audience 3. Related Documentation 4. We Need Feedback! 1. Device Mapper Multipathing Expand section "1. Device Mapper Multipathing" Collapse section "1. Device Mapper Multipathing" 1.1. New and Changed Features Expand section "1.1. New and Changed Features" Collapse section "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 1.1.7. New and Changed Features for Red Hat Enterprise Linux 6.6 1.1.8. New and Changed Features for Red Hat Enterprise Linux 6.7 1.1.9. New and Changed Features for Red Hat Enterprise Linux 6.8 1.1.10. New and Changed Features for Red Hat Enterprise Linux 6.9 1.2. Overview of DM-Multipath 1.3. Storage Array Support 1.4. DM-Multipath Components 1.5. DM-Multipath Setup Overview 2. Multipath Devices Expand section "2. Multipath Devices" Collapse section "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 3. Setting Up DM-Multipath Expand section "3. Setting Up DM-Multipath" Collapse section "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 4. The DM-Multipath Configuration File Expand section "4. The DM-Multipath Configuration File" Collapse section "4. The DM-Multipath Configuration File" 4.1. Configuration File Overview 4.2. Configuration File Blacklist Expand section "4.2. Configuration File Blacklist" Collapse section "4.2. Configuration File Blacklist" 4.2.1. Blacklisting by WWID 4.2.2. Blacklisting By Device Name 4.2.3. Blacklisting By Device Type 4.2.4. Blacklist Exceptions 4.3. Configuration File Defaults 4.4. Multipaths Device Configuration Attributes 4.5. Configuration File Devices 5. DM-Multipath Administration and Troubleshooting Expand section "5. DM-Multipath Administration and Troubleshooting" Collapse section "5. DM-Multipath Administration and Troubleshooting" 5.1. Automatic Configuration File Generation with Multipath Helper 5.2. Resizing an Online Multipath Device 5.3. Moving root File Systems from a Single Path Device to a Multipath Device 5.4. Moving swap File Systems from a Single Path Device to a Multipath Device 5.5. Issues with Large Number of LUNs 5.6. Issues with queue_if_no_path feature 5.7. Multipath Command Output 5.8. Multipath Queries with multipath Command 5.9. Multipath Command Options 5.10. Determining Device Mapper Entries with the dmsetup Command 5.11. The Multipath Daemon 5.12. The multipathd Interactive Console and the multipathd Command 5.13. Cleaning up Multipath Files on Package Removal A. Revision History Index Legal Notice Settings Close Language: English Español Русский Português 한국어 日本語 Italian Deutsch Français 繁體中文 简体中文 Language: English Español Русский Português 한국어 日本語 Italian Deutsch Français 繁體中文 简体中文 Format: Multi-page Single-page PDF Format: Multi-page Single-page PDF Language and Page Formatting Options Language: English Español Русский Português 한국어 日本語 Italian Deutsch Français 繁體中文 简体中文 Language: English Español Русский Português 한국어 日本語 Italian Deutsch Français 繁體中文 简体中文 Format: Multi-page Single-page PDF Format: Multi-page Single-page PDF Red Hat Training A Red Hat training course is available for Red Hat Enterprise Linux 4.2.3. Blacklisting By Device Type You can specify specific device types in the blacklist section of the configuration file with a device section. The following example blacklists all IBM DS4200 and HP devices. blacklist { device { vendor "IBM" product "3S42" #DS4200 Product 10 } device { vendor "HP" product "*" } } Previous Next