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Show Table of Contents
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  1. Administration Guide
  2. I. Preface
    1. 1. Preface
      1. 1.1. About Red Hat Gluster Storage
      2. 1.2. About glusterFS
      3. 1.3. About On-premises Installation
  3. II. Overview
    1. 2. Architecture and Concepts
      1. 2.1. Architecture
      2. 2.2. On-premises Architecture
      3. 2.3. Storage Concepts
  4. III. Configure and Verify
    1. 3. Considerations for Red Hat Gluster Storage
      1. 3.1. Verifying Port Access
      2. 3.2. Feature Compatability Support
    2. 4. Adding Servers to the Trusted Storage Pool
      1. 4.1. Adding Servers to the Trusted Storage Pool
      2. 4.2. Removing Servers from the Trusted Storage Pool
    3. 5. Setting Up Storage Volumes
      1. 5.1. Setting up Gluster Storage Volumes using gdeploy
        1. 5.1.1. Getting Started
        2. 5.1.2. Setting up a Trusted Storage Pool
        3. 5.1.3. Setting up the Backend
        4. 5.1.4. Creating Volumes
        5. 5.1.5. Mounting Clients
        6. 5.1.6. Configuring a Volume
        7. 5.1.7. Configuration File
        8. 5.1.8. Deploying NFS Ganesha using gdeploy
        9. 5.1.9. Deploying Samba / CTDB using gdeploy
        10. 5.1.10. Enabling SSL on a Volume
        11. 5.1.11. Limiting Gluster Resources
        12. 5.1.12. Gdeploy log files
      2. 5.2. Managing Volumes using Heketi
        1. 5.2.1. Prerequisites
        2. 5.2.2. Installing Heketi
        3. 5.2.3. Starting the Heketi Server
        4. 5.2.4. Setting up the Topology
        5. 5.2.5. Creating a Volume
        6. 5.2.6. Expanding a Volume
        7. 5.2.7. Deleting a Volume
      3. 5.3. About Encrypted Disk
      4. 5.4. Formatting and Mounting Bricks
        1. 5.4.1. Creating Bricks Manually
        2. 5.4.2. Using Subdirectory as the Brick for Volume
        3. 5.4.3. Reusing a Brick from a Deleted Volume
        4. 5.4.4. Cleaning An Unusable Brick
      5. 5.5. Creating Distributed Volumes
      6. 5.6. Creating Replicated Volumes
        1. 5.6.1. Creating Two-way Replicated Volumes
        2. 5.6.2. Creating Three-way Replicated Volumes
        3. 5.6.3. Creating Sharded Replicated Volumes
      7. 5.7. Creating Distributed Replicated Volumes
        1. 5.7.1. Creating Two-way Distributed Replicated Volumes
        2. 5.7.2. Creating Three-way Distributed Replicated Volumes
      8. 5.8. Creating Arbitrated Replicated Volumes
        1. 5.8.1. Arbitrated volume requirements
        2. 5.8.2. Arbitration logic
        3. 5.8.3. Creating an arbitrated replicated volume
        4. 5.8.4. Creating multiple arbitrated replicated volumes across fewer total nodes
        5. 5.8.5. Converting to an arbitrated volume
        6. 5.8.6. Tuning recommendations for arbitrated volumes
      9. 5.9. Creating Dispersed Volumes
      10. 5.10. Creating Distributed Dispersed Volumes
      11. 5.11. Starting Volumes
    4. 6. Creating Access to Volumes
      1. 6.1. Native Client
        1. 6.1.1. Installing Native Client
        2. 6.1.2. Upgrading Native Client
        3. 6.1.3. Mounting Red Hat Gluster Storage Volumes
      2. 6.2. NFS
        1. 6.2.1. Support Matrix
        2. 6.2.2. Gluster NFS
        3. 6.2.3. NFS Ganesha
      3. 6.3. SMB
        1. 6.3.1. Setting up CTDB for Samba
        2. 6.3.2. Sharing Volumes over SMB
        3. 6.3.3. Mounting Volumes using SMB
        4. 6.3.4. Starting and Verifying your Configuration
        5. 6.3.5. Disabling SMB Shares
        6. 6.3.6. Accessing Snapshots in Windows
        7. 6.3.7. Tuning Performance
      4. 6.4. POSIX Access Control Lists
        1. 6.4.1. Setting ACLs with setfacl
        2. 6.4.2. Checking current ACLs with getfacl
        3. 6.4.3. Mounting volumes with ACLs enabled
        4. 6.4.4. Checking ACL enablement on a mounted volume
      5. 6.5. Managing Object Store
        1. 6.5.1. Architecture Overview
        2. 6.5.2. Components of Object Store
        3. 6.5.3. Advantages of using Object Store
        4. 6.5.4. Limitations
        5. 6.5.5. Swift API Support Matrix
        6. 6.5.6. Prerequisites
        7. 6.5.7. Configuring the Object Store
        8. 6.5.8. Starting the Services Automatically
        9. 6.5.9. Working with the Object Store
      6. 6.6. Checking Client Operating Versions
    5. 7. Integrating Red Hat Gluster Storage with Windows Active Directory
      1. 7.1. Prerequisites
      2. 7.2. Integration
        1. 7.2.1. Configure Authentication
        2. 7.2.2. Join Active Directory Domain
        3. 7.2.3. Verify/Test Active Directory and Services
  5. IV. Manage
    1. 8. Managing Snapshots
      1. 8.1. Prerequisites
      2. 8.2. Creating Snapshots
      3. 8.3. Cloning a Snapshot
      4. 8.4. Listing of Available Snapshots
      5. 8.5. Getting Information of all the Available Snapshots
      6. 8.6. Getting the Status of Available Snapshots
      7. 8.7. Configuring Snapshot Behavior
      8. 8.8. Activating and Deactivating a Snapshot
      9. 8.9. Deleting Snapshot
        1. 8.9.1. Deleting Multiple Snapshots
      10. 8.10. Restoring Snapshot
      11. 8.11. Accessing Snapshots
      12. 8.12. Scheduling of Snapshots
        1. 8.12.1. Prerequisites
        2. 8.12.2. Snapshot Scheduler Options
      13. 8.13. User Serviceable Snapshots
        1. 8.13.1. Enabling and Disabling User Serviceable Snapshot
        2. 8.13.2. Viewing and Retrieving Snapshots using NFS / FUSE
        3. 8.13.3. Viewing and Retrieving Snapshots using CIFS for Windows Client
      14. 8.14. Troubleshooting
    2. 9. Managing Directory Quotas
      1. 9.1. Enabling and Disabling Quotas
      2. 9.2. Before Setting a Quota on a Directory
      3. 9.3. Limiting Disk Usage
        1. 9.3.1. Setting Disk Usage Limits
        2. 9.3.2. Viewing Current Disk Usage Limits
        3. 9.3.3. Setting Quota Check Frequency (Timeouts)
        4. 9.3.4. Setting Logging Frequency (Alert Time)
        5. 9.3.5. Removing Disk Usage Limits
    3. 10. Managing Geo-replication
      1. 10.1. About Geo-replication
      2. 10.2. Replicated Volumes vs Geo-replication
      3. 10.3. Preparing to Deploy Geo-replication
        1. 10.3.1. Exploring Geo-replication Deployment Scenarios
        2. 10.3.2. Geo-replication Deployment Overview
        3. 10.3.3. Prerequisites
        4. 10.3.4. Setting Up your Environment
        5. 10.3.5. Configuring a Meta-Volume
      4. 10.4. Starting Geo-replication
        1. 10.4.1. Starting a Geo-replication Session
        2. 10.4.2. Verifying a Successful Geo-replication Deployment
        3. 10.4.3. Displaying Geo-replication Status Information
        4. 10.4.4. Configuring a Geo-replication Session
        5. 10.4.5. Stopping a Geo-replication Session
        6. 10.4.6. Deleting a Geo-replication Session
      5. 10.5. Starting Geo-replication on a Newly Added Brick, Node, or Volume
        1. 10.5.1. Starting Geo-replication for a New Brick or New Node
        2. 10.5.2. Starting Geo-replication for a New Brick on an Existing Node
        3. 10.5.3. Starting Geo-replication for a New Volume
      6. 10.6. Scheduling Geo-replication as a Cron Job
      7. 10.7. Disaster Recovery
        1. 10.7.1. Failover: Promoting a Slave to Master
        2. 10.7.2. Failback: Resuming Master and Slave back to their Original State
      8. 10.8. Creating a Snapshot of Geo-replicated Volume
      9. 10.9. Example - Setting up Cascading Geo-replication
      10. 10.10. Recommended Practices
      11. 10.11. Troubleshooting Geo-replication
        1. 10.11.1. Tuning Geo-replication performance with Change Log
        2. 10.11.2. Triggering Explicit Sync on Entries
        3. 10.11.3. Synchronization Is Not Complete
        4. 10.11.4. Issues with File Synchronization
        5. 10.11.5. Geo-replication Status is Often Faulty
        6. 10.11.6. Intermediate Master is in a Faulty State
        7. 10.11.7. Remote gsyncd Not Found
    4. 11. Managing Red Hat Gluster Storage Volumes
      1. 11.1. Configuring Volume Options
      2. 11.2. Setting Multiple Volume Option
      3. 11.3. Supported Volume Options
      4. 11.4. Configuring Transport Types for a Volume
      5. 11.5. Expanding Volumes
        1. 11.5.1. Expanding a Tiered Volume
        2. 11.5.2. Expanding a Dispersed or Distributed-dispersed Volume
      6. 11.6. Shrinking Volumes
        1. 11.6.1. Shrinking a Geo-replicated Volume
        2. 11.6.2. Shrinking a Tiered Volume
        3. 11.6.3. Stopping a remove-brick Operation
      7. 11.7. Migrating Volumes
        1. 11.7.1. Replacing a Subvolume on a Distribute or Distribute-replicate Volume
        2. 11.7.2. Replacing an Old Brick with a New Brick on a Replicate or Distribute-replicate Volume
        3. 11.7.3. Replacing an Old Brick with a New Brick on a Distribute Volume
        4. 11.7.4. Replacing an Old Brick with a New Brick on a Dispersed or Distributed-dispersed Volume
        5. 11.7.5. Reconfiguring a Brick in a Volume
      8. 11.8. Replacing Hosts
        1. 11.8.1. Replacing a Host Machine with a Different Hostname
        2. 11.8.2. Replacing a Host Machine with the Same Hostname
      9. 11.9. Rebalancing Volumes
        1. 11.9.1. Rebalance Throttling
        2. 11.9.2. Displaying Rebalance Progress
        3. 11.9.3. Stopping a Rebalance Operation
      10. 11.10. Setting up Shared Storage Volume
      11. 11.11. Stopping Volumes
      12. 11.12. Deleting Volumes
      13. 11.13. Managing Split-brain
        1. 11.13.1. Preventing Split-brain
        2. 11.13.2. Recovering from File Split-brain
        3. 11.13.3. Triggering Self-Healing on Replicated Volumes
      14. 11.14. Recommended Configurations - Dispersed Volume
    5. 12. Managing Red Hat Gluster Storage Logs
      1. 12.1. Log Rotation
      2. 12.2. Red Hat Gluster Storage Component Logs and Location
      3. 12.3. Configuring the Log Format
      4. 12.4. Configuring the Log Level
      5. 12.5. Suppressing Repetitive Log Messages
      6. 12.6. Geo-replication Logs
        1. 12.6.1. Viewing the Geo-replication Master Log Files
        2. 12.6.2. Viewing the Geo-replication Slave Log Files
    6. 13. Managing Red Hat Gluster Storage Volume Life-Cycle Extensions
      1. 13.1. Location of Scripts
      2. 13.2. Prepackaged Scripts
    7. 14. Managing Containerized Red Hat Gluster Storage
      1. 14.1. Prerequisites
      2. 14.2. Starting a Container
      3. 14.3. Creating a Trusted Storage Pool
      4. 14.4. Creating a Volume
      5. 14.5. Mounting a Volume
    8. 15. Detecting BitRot
      1. 15.1. Enabling and Disabling the BitRot daemon
      2. 15.2. Modifying BitRot Detection Behavior
      3. 15.3. Restoring a bad file
    9. 16. Incremental Backup Assistance using Glusterfind
      1. 16.1. Glusterfind Configuration Options
        1. 16.1.1. Adding or Replacing a Brick from an Existing Glusterfind Session
    10. 17. Managing Tiering
      1. 17.1. Tiering Architecture
      2. 17.2. Key Benefits of Tiering
      3. 17.3. Tiering Limitations
      4. 17.4. Attaching a Tier to a Volume
        1. 17.4.1. Attaching a Tier to a Geo-replicated Volume
      5. 17.5. Configuring a Tiering Volume
        1. 17.5.1. Configuring Watermarks
        2. 17.5.2. Configuring Promote and Demote Frequency
        3. 17.5.3. Configuring Read and Write Frequency
        4. 17.5.4. Configuring Target Data Size
        5. 17.5.5. Configuring the File Count per Cycle
      6. 17.6. Displaying Tiering Status Information
      7. 17.7. Detaching a Tier from a Volume
        1. 17.7.1. Detaching a Tier of a Geo-replicated Volume
  6. V. Monitor and Tune
    1. 18. Monitoring Red Hat Gluster Storage
      1. 18.1. Prerequisites
      2. 18.2. Installing Nagios
        1. 18.2.1. Installing Nagios Server
        2. 18.2.2. Configuring Red Hat Gluster Storage Nodes for Nagios
      3. 18.3. Monitoring Red Hat Gluster Storage Trusted Storage Pool
        1. 18.3.1. Configuring Nagios
        2. 18.3.2. Verifying the Configuration
        3. 18.3.3. Using Nagios Server GUI
      4. 18.4. Monitoring Notifications
        1. 18.4.1. Configuring Nagios Server to Send Mail Notifications
        2. 18.4.2. Configuring Simple Network Management Protocol (SNMP) Notification
      5. 18.5. Nagios Advanced Configuration
        1. 18.5.1. Creating Nagios User
        2. 18.5.2. Changing Nagios Password
        3. 18.5.3. Configuring SSL
        4. 18.5.4. Integrating LDAP Authentication with Nagios
      6. 18.6. Configuring Nagios Manually
      7. 18.7. Troubleshooting Nagios
        1. 18.7.1. Troubleshooting NSCA and NRPE Configuration Issues
    2. 19. Monitoring Red Hat Gluster Storage Gluster Workload
      1. 19.1. Running the Volume Profile Command
        1. 19.1.1. Start Profiling
        2. 19.1.2. Displaying the I/O Information
        3. 19.1.3. Stop Profiling
      2. 19.2. Running the Volume Top Command
        1. 19.2.1. Viewing Open File Descriptor Count and Maximum File Descriptor Count
        2. 19.2.2. Viewing Highest File Read Calls
        3. 19.2.3. Viewing Highest File Write Calls
        4. 19.2.4. Viewing Highest Open Calls on a Directory
        5. 19.2.5. Viewing Highest Read Calls on a Directory
        6. 19.2.6. Viewing Read Performance
        7. 19.2.7. Viewing Write Performance
      3. 19.3. gstatus Command
        1. 19.3.1. gstatus Command
        2. 19.3.2. Executing the gstatus command
      4. 19.4. Listing Volumes
      5. 19.5. Displaying Volume Information
      6. 19.6. Obtaining Node Information
      7. 19.7. Retrieving Current Volume Option Settings
        1. 19.7.1. Retrieving Value of a Specific Volume Option
        2. 19.7.2. Retrieving all Options of a Volume
        3. 19.7.3. Retrieving all Global Options
      8. 19.8. Viewing complete volume state with statedump
        1. 19.8.1. Gathering information from the server
        2. 19.8.2. Gathering information from the client
        3. 19.8.3. Controlling statedump output location
      9. 19.9. Displaying Volume Status
      10. 19.10. Troubleshooting issues in the Red Hat Gluster Storage Trusted Storage Pool
        1. 19.10.1. Troubleshooting a network issue in the Red Hat Gluster Storage Trusted Storage Pool
    3. 20. Managing Resource Usage
    4. 21. Tuning for Performance
      1. 21.1. Disk Configuration
        1. 21.1.1. Hardware RAID
        2. 21.1.2. JBOD
      2. 21.2. Brick Configuration
        1. 21.2.1. Many Bricks per Node
      3. 21.3. Network
      4. 21.4. Memory
        1. 21.4.1. Virtual Memory Parameters
      5. 21.5. Small File Performance Enhancements
        1. 21.5.1. Enabling Lookup Optimization
      6. 21.6. Replication
      7. 21.7. Directory Operations
        1. 21.7.1. Enabling Metadata Caching
    5. 22. Nagios Configuration Files
  7. VI. Security
    1. 23. Configuring Network Encryption in Red Hat Gluster Storage
      1. 23.1. Prerequisites
      2. 23.2. Configuring Network Encryption for a New Trusted Storage Pool
        1. 23.2.1. Enabling Management Encryption
        2. 23.2.2. Enabling I/O encryption for a Volume
      3. 23.3. Configuring Network Encryption for an existing Trusted Storage Pool
        1. 23.3.1. Enabling I/O encryption for a Volume
        2. 23.3.2. Enabling Management Encryption
      4. 23.4. Expanding Volumes
        1. 23.4.1. Certificate Signed with a Common Certificate Authority
        2. 23.4.2. Self-signed Certificates
      5. 23.5. Authorizing a New Client
        1. 23.5.1. Certificate Signed with a Common Certificate Authority
        2. 23.5.2. Self-signed Certificates
  8. VII. Troubleshoot
    1. 24. Resolving Common Issues
      1. 24.1. Identifying locked file and clear locks
      2. 24.2. Retrieving File Path from the Gluster Volume
        1. 24.2.1. Retrieving Known File Name
        2. 24.2.2. Retrieving Unknown File Name
        3. 24.2.3. Retrieving File Path using gfid String
      3. 24.3. Resolving glusterd Crash
  9. VIII. Appendices
    1. 25. Starting and Stopping the glusterd service
    2. 26. Manually Recovering File Split-brain
  10. A. Revision History
  11. Legal Notice

Part II. Overview

  • 1.3. About On-premises Installation
  • 2. Architecture and Concepts
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