Red Hat GFS 5.2.1 - Manuals

Manuals and User Guides for Red Hat GFS 5.2.1 -. We have 1 Red Hat GFS 5.2.1 - manual available for free PDF download: Administrator's Manual

Red Hat GFS 5.2.1 - Administrator's Manual

Red Hat GFS 5.2.1 - Administrator's Manual (192 pages)

Brand: Red Hat | Category: Software | Size: 5.82 MB

Table of Contents

Table of Contents
3
Introduction

9
- Audience
  9
- Document Conventions
  9
- More to Come
  12
  - Send in Your Feedback
    12
- Sign up for Support
  12
- Recommended References
  12
GFS Overview

15
System Requirements

25
- Platform Requirements
  25
- TCP/IP Network
  25
- Fibre Channel Storage Network
  25
- Fibre Channel Storage Devices
  26
- Network Power Switches
  26
- Console Access
  26
- I/O Fencing
  26
Installing System Software

27
- Prerequisite Tasks
  27
  - Clock Synchronization Software
    27
  - Net::telnet Perl Module
    27
- Installation Tasks
  28
  - Stunnel Utility
    28
  - Installing a Linux Kernel
    28
  - Installing a GFS RPM
    29
  - Loading the GFS Kernel Modules
    30
Initial Conﬁguration

33
- Prerequisite Tasks
  33
- Initial Conﬁguration Tasks
  33
Using the Pool Volume Manager

37
- Overview of GFS Pool Volume Manager
  37
- Synopsis of Pool Management Commands
  38
  - Pool_Tool
    38
  - Pool_Assemble
    38
  - Pool_Info
    39
  - Pool_Mp
    40
- Scanning Block Devices
  41
  - Usage
    41
  - Example
    41
- Creating a Conﬁguration File for a New Volume
  41
  - Examples
    43
- Creating a Pool Volume
  43
  - Usage
    44
  - Example
    44
  - Comments
    44
- Activating/Deactivating a Pool Volume
  44
  - Examples
    45
  - Comments
    45
- Displaying Pool Conﬁguration Information
  45
  - Usage
    45
  - Example
    45
- Growing a Pool Volume
  46
  - Usage
    46
  - Example Procedure
    46
- Erasing a Pool Volume
  47
  - Usage
    47
  - Example
    47
  - Comments
    47
- Renaming a Pool Volume
  47
  - Usage
    48
  - Example
    48
- Changing a Pool Volume Minor Number
  48
  - Example
    49
  - Comments
    49
- Displaying Pool Volume Information
  49
  - Usage
    49
  - Examples
    50
- Using Pool Volume Statistics
  50
  - Usage
    50
- Adjusting Pool Volume Multipathing
  51
  - Usage
    51
  - Examples
    51
Creating the Cluster Conﬁguration System Files

53
- Prerequisite Tasks
  53
  - CCS File Creation Tasks
    53
  - Dual Power and Multipath FC Fencing Considerations
    54
  - GNBD Multipath Considerations
    54
  - Adding the License.ccs
    55
  - Fence.ccs
    55
  - Nodes.ccs
    55
  - File
    55
  - File
    56
  - File
    57
  - File
    66
Using the Cluster Conﬁguration System

85
- Creating a CCS Archive
  85
  - Usage
    85
  - Example
    86
  - Comments
    86
- Starting CCS in the Cluster
  86
  - Usage
    86
- Using Other CCS Administrative Options
  87
- Changing CCS Conﬁguration Files
  88
  - Example Procedure
    89
- Alternative Methods to Using a CCA Device
  89
  - CCA File and Server
    89
  - Local CCA Files
    91
- Combining CCS Methods
  92
Using Clustering and Locking Systems

93
- Locking System Overview
  93
- Lock_Gulm
  93
- Lock_Nolock
  95
Managing GFS

97
- Making a File System
  97
  - Usage
    98
  - Examples
    98
  - Complete Options
    98
- Mounting a File System
  99
  - Usage
    100
  - Example
    100
  - Complete Usage
    100
- Unmounting a File System
  101
  - Usage
    101
- GFS Quota Management
  101
  - Setting Quotas
    102
  - Displaying Quota Limits and Usage
    102
  - Synchronizing Quotas
    104
  - Disabling/Enabling Quota Enforcement
    105
  - Disabling/Enabling Quota Accounting
    106
- Growing a File System
  107
  - Usage
    107
  - Comments
    107
  - Examples
    107
  - Complete Usage
    108
  - Adding Journals to a File System
    108
  - Usage
    109
  - Comments
    109
  - Examples
    109
  - Complete Usage
    109
- Direct I/O
  110
  - O_Direct
    110
  - GFS File Attribute
    111
  - GFS Directory Attribute
    111
- Data Journaling
  112
  - Usage
    112
  - Examples
    113
- Conﬁguring Atime
  113
  - Mount with
    113
  - Tune GFS
    113
  - Quantum
    114
  - Atime 9.10. Suspending Activity on a File System
    115
  - Usage
    115
  - Examples
    115
- Displaying Extended GFS Information and Statistics
  116
  - Usage
    116
  - Examples
    116
- Repairing a File System
  116
  - Example
    117
- Context-Dependent Path Names
  117
  - Usage
    117
  - Example
    118
- Shutting down a GFS Cluster
  119
- Restarting a GFS Cluster
  119
Using the Fencing System

121
- How the Fencing System Works
  121
- Fencing Methods
  121
  - APC Masterswitch
    122
  - WTI Network Power Switch
    122
  - Brocade FC Switch
    123
  - Vixel FC Switch
    123
  - HP RILOE Card
    124
  - Gnbd
    124
  - Fence Notify GNBD
    124
  - Manual
    124
Using GNBD

127
- Considerations for Using GNBD Multipath
  127
  - Linux
    127
  - Lock Server Startup
    127
  - CCS File Location
    127
  - Fencing GNBD Server Nodes
    128
- GNBD Driver and Command Usage
  128
  - Exporting a GNBD from a Server
    129
  - Importing a GNBD on a Client
    130
Software License

133
- Overview
  133
Upgrading GFS

137
- Overview of Differences between GFS 5.1.X and GFS 5.2.X
  137
  - Conﬁguration Information
    137
  - GFS License
    138
  - GFS Lockproto
    138
  - GFS Locktable
    138
  - GFS Mount Options
    139
  - Pool
    139
  - Fencing Agents
    139
- Upgrade Procedure
  140
Basic GFS Examples

145
- LOCK_GULM, RLM Embedded
  145
  - Key Characteristics
    145
  - Prerequisites
    146
  - Setup Process
    148
- LOCK_GULM, RLM External
  151
  - B.2.1. Key Characteristics
    151
  - Prerequisites
    153
  - Setup Process
    154
- LOCK_GULM, SLM Embedded
  159
  - Key Characteristics
    159
  - Prerequisites
    160
  - Setup Process
    161
- LOCK_GULM, SLM External
  165
  - Key Characteristics
    165
  - Prerequisites
    166
  - Setup Process
    168
- LOCK_GULM, SLM External, and GNBD
  171
  - Key Characteristics
    171
  - Prerequisites
    173
  - Setup Process
    174
- Lock_Nolock
  179
  - Key Characteristics
    179
  - Prerequisites
    180
  - Setup Process
    181
Index

185
Colophon

191

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