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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
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7. Maximizing Cluster Performance¶

This chapter describes recommended configurations for Storage clusters and ways to tune them for maximum performance.

Please also see Appendix A - Troubleshooting for common issues that might affect your cluster performance.

You may also consider updating hardware nodes in the cluster as described in Keeping Your System Up To Date.

In this chapter:

  • 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
    • 7.6.1. Calculating Write Journal Size
    • 7.6.2. Setting Up Chunk Servers with a Journal on SSD
    • 7.6.3. Adding, Destroying, and Configuring CS Journals in Live Storage Clusters
      • 7.6.3.1. Adding CS Journals
      • 7.6.3.2. Destroying CS Journals
      • 7.6.3.3. Moving CS Journals
      • 7.6.3.4. Resizing CS Journals
    • 7.6.4. Disabling Checksumming
    • 7.6.5. Configuring Data Scrubbing
  • 7.7. Improving High-Capacity HDD Performance
    • 7.7.1. Improving Virtual Disk Performance
      • 7.7.1.1. Preventing Partition Misalignment in Legacy Operating Systems
  • 7.8. Disabling Inter-Tier Data Allocation
  • 7.9. Managing Fast Path
    • 7.9.1. Disabling Fast Path in Virtuozzo Hybrid Server 7.5 Update 4 and Earlier Versions
Version 7.5 — Jan 22, 2025
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