HP Storage C- Accelerators Linux manual

HP IO Accelerator Version 3.2.3 Linux User Guide

Abstract

This document describes software requirements for all relevant HP IO Accelerators using Linux operating systems. This document is intended for system administrators who plan to install and use HP IO Accelerators with a Linux operating system. It is helpful to have previous experience with HP IO Accelerators and a Linux operating system. This user guide is intended for IO Accelerator software release 3.2.3 or later.

Part Number: 647094-003

February 2013

Edition: 3

Contents

HP IO Accelerator Version 3.2.3 Linux User Guide Page Contents Page Page About this guide Contents summary Introduction Overview Product naming Performance attributes Required operating environment Page Page Software installation Installation overview Installing RPM packages on SUSE, RHEL, and OEL Page Building the IO Accelerator driver from source Upgrading device firmware from VSL 1.x.x or 2.x.x to Upgrading procedure Page Loading the IO Accelerator driver Using the init script Setting the IO Accelerator driver options Upgrading the firmware Enabling PCIe power Using the device as swap Using the Logical Volume Manager Configuring RAID Page Page Understanding Discard (TRIM) support Setting up SNMP for Linux SNMP details for Linux Files and directories SNMP master agent SNMP agentX subagent Running and configuring the SNMP subagent Manually running the SNMP subagent Subagent log file Using the SNMP sample config files Enabling SNMP test mode Page Page Troubleshooting SNMP Supported SNMP MIB fields Page Maintenance Maintenance tools Device LED indicators HP IO Accelerator Management Tool Command-lineutilities Enabling PCIe power override Common maintenance tasks Unloading the IO Accelerator driver Uninstalling the IO Accelerator driver RPM package Disabling auto attach Unmanaged shutdown issues Disabling the driver Utilities Utilities reference fio-attach fio-beacon fio-bugreport fio-detach fio-format fio-pci-check fio-snmp-agentx fio-status Page fio-sure-erase Page fio-update-iodrive Page Page Monitoring IO Accelerator health NAND flash and component failure Health metrics Health monitoring techniques About flashback protection technology Software RAID and health monitoring Performance and tuning Introduction to performance and tuning Disabling DVFS Limiting APCI C-states Setting NUMA affinity Setting the interrupt handler affinity NUMA configuration Introduction to NUMA architecture NUMA node override parameter Advanced configuration example Page Resources Subscription service For more information Regulatory information Safety and regulatory compliance Warranty information Support and other resources Before you contact HP HP contact information Customer Self Repair Réparation par le client (CSR) Riparazione da parte del cliente Reparaciones del propio cliente Reparo feito pelo cliente Page Page Page Acronyms and abbreviations Page Documentation feedback Index