Documentation
Back to guides list
Prev Next
Back to guides list

Storage Administrator's Command Line Guide

Version 7.5 — Jan 22, 2025
  • 1. Introduction
    • 1.1. About This Guide
    • 1.2. About Storage
  • 2. Setting Up a Storage Cluster
    • 2.1. Setup Overview
    • 2.2. Configuring Cluster Discovery
    • 2.3. Preparing Disks for Storage
    • 2.4. Cache Configuration
    • 2.5. Setting Up the First Metadata Server
    • 2.6. Setting Up Chunk Servers
    • 2.7. Setting Up Clients
  • 3. Configuring Storage Clusters
    • 3.1. Configuring MDS Servers
    • 3.2. Configuring Chunk Servers
    • 3.3. Configuring Clients
    • 3.4. Configuring High Availability
    • 3.5. Managing Cluster Parameters
    • 3.6. Managing Storage Licenses
    • 3.7. Shutting Down and Starting Up Cluster Nodes
  • 4. Exporting Storage Cluster Data
    • 4.1. Accessing Storage Clusters via NFS
    • 4.2. Accessing Storage Clusters via iSCSI
    • 4.3. Accessing Storage Clusters via S3-like Object Storage
  • 5. Monitoring Storage Clusters
    • 5.1. Monitoring General Cluster Parameters
    • 5.2. Monitoring Metadata Servers
    • 5.3. Monitoring Chunk Servers
    • 5.4. Monitoring Clients
    • 5.5. Monitoring Physical Disks
    • 5.6. Monitoring Event Logs
    • 5.7. Monitoring Replication Parameters
  • 6. Managing Cluster Security
    • 6.1. Security Considerations
    • 6.2. Securing Server Communication in the Cluster
    • 6.3. Cluster Discovery Methods
    • 6.4. Storage Ports
    • 6.5. Password-based Authentication
    • 6.6. Installations via PXE Servers
  • 7. Maximizing Cluster Performance
    • 7.1. Checking Data Flushing
    • 7.2. Exploring Possible Disk Drive Configurations
    • 7.3. Carrying Out Performance Benchmarking
    • 7.4. Using 1 GbE and 10 GbE Networks
    • 7.5. Setting Up Network Bonding
    • 7.6. Using SSD Drives
    • 7.7. Improving High-Capacity HDD Performance
    • 7.8. Disabling Inter-Tier Data Allocation
    • 7.9. Managing Fast Path
  • 8. Appendices
    • 8.1. Appendix A - Troubleshooting
    • 8.2. Appendix B - Frequently Asked Questions
  • Storage Administrator's Command Line GuidePDF, 984 KB
Prev Next

8. Appendices¶

In this chapter:

  • 8.1. Appendix A - Troubleshooting
    • 8.1.1. Submitting Problem Reports to Technical Support
    • 8.1.2. Out of Disk Space
      • 8.1.2.1. Symptoms
      • 8.1.2.2. Solutions
    • 8.1.3. Poor Write Performance
    • 8.1.4. Poor Disk I/O Performance
    • 8.1.5. Hardware RAID Controller and Disk Write Caches
    • 8.1.6. SSD Drives Ignore Disk Flushes
    • 8.1.7. Cluster Cannot Create Enough Replicas
    • 8.1.8. Failed Chunk Servers
      • 8.1.8.1. Replacing Disks Used as Chunk Servers
    • 8.1.9. Failed Write Journaling SSDs
    • 8.1.10. Failed MDS Servers
  • 8.2. Appendix B - Frequently Asked Questions
    • 8.2.1. General
    • 8.2.2. Scalability and Performance
    • 8.2.3. Availability
    • 8.2.4. Cluster Operation
    • 8.2.5. Shaman Service
Version 7.5 — Jan 22, 2025
Edit Print Share
Prev Next
GPG Keys Legal