Adaptec SAS/SATA/SCSI RAID Controllers

Solving Problems

In this chapter...

Troubleshooting Checklist.....................................................................................................59

Silencing the Alarm................................................................................................................ 59

Recovering from a Disk Drive Failure...................................................................................59

Resetting the Controller.........................................................................................................61

This chapter provides basic troubleshooting information and solutions for solving controller

problems.

Contents

Main Page Adaptec Customer Support Limited 3-Year Hardware Warranty Regulatory Compliance Statements Contents About This Guide Kit Contents and System Requirements About Your RAID Controller Getting Started Installing the Controller and Disk Drives Creating a Bootable Array Installing the Driver and an Operating System Installing the Driver on an Existing Operating System Managing Your Storage Space Solving Problems Introduction to Serial Attached SCSI Understanding RAID Using the Adaptec RAID Configuration Utility Using the Array Configuration Utility for DOS Page About This Guide What You Need to Know Before You Begin Terminology Used in this Guide How to Find More Information Page Kit Contents System Requirements About Your RAID Controller Standard RAID Controller Features Array-level Features Advanced Data Protection Suite Adding Enhanced Features Using a Feature Key to Unlock Enhanced Features Adding a Battery Backup Module Upgrading the Controller Firmware About the Adaptec 4000 The Adaptec 4000 is a low-profile SAS Zero Channel RAID controller with these features: About the Adaptec 4800SAS The Adaptec 4800SAS is a SAS RAID controller with these features: Note: About the Adaptec 4805SAS The Adaptec 4805SAS is a SAS RAID controller with these features: Note: Bus compatibility PCIe x8 I/O processor clock frequency 500 MHz Standard cache 128 MB DDR2 About the Adaptec 2420SA The Adaptec 2420SA is a SATA II RAID controller with these features: Note: all low-profile systems. About the Adaptec 2820SA The Adaptec 2820SA is a SATA II RAID controller with these features: Note: all low-profile systems. About the Adaptec 2130SLP The Adaptec 2130SLP is a low-profile SCSI controller with these features: About the Adaptec 2230SLP The Adaptec 2230SLP is a low-profile SCSI controller with these features: Getting Started Choosing a RAID Level Selecting Disk Drives Disk Drives for SAS Controllers Disk Drives for SATA Controllers Disk Drives for SCSI Controllers Selecting Cables SAS Cables SATA Cables SCSI Cables Installation Options Basic Installation Steps Installing with an Operating System Installing on an Existing Operating System Page Installing the Controller Connecting Disk Drives to SAS RAID Controllers Connecting Directly to the Controller Connecting to a System Backplane Connecting Disk Drives to SATA RAID Controllers Connecting Disk Drives to SCSI RAID Controllers Connecting External Devices Next Steps Monitoring Disk Drives with Adaptec Storage Manager Creating a Bootable Array Setting the Boot Controller Creating an Array Creating an Array with the ACU Page Creating an Array with Adaptec Storage Manager Making Your Array Bootable Installing the Driver and an Operating System Creating a Driver Disk Installing with Windows Installing with Red Hat Linux Installing with SUSE Linux Installing with NetWare Installing with OpenServer Installing with Solaris Installing with UnixWare Installing with VMWare Installing with FreeBSD Page Installing the Driver on an Existing Operating System Creating a Driver Disk Installing on Windows Installing on Red Hat or SUSE Linux Installing on NetWare Installing on OpenServer Installing on Solaris Installing on UnixWare Installing on VMWare Installing on FreeBSD Page Managing Your Storage Space About Adaptec Storage Manager Installing Adaptec Storage Manager About the Adaptec RAID Controller Configuration Utility About the Adaptec RAID Configuration Utility About the Adaptec Flash Utility Which Utility Should I Use? Page Troubleshooting Checklist Silencing the Alarm Recovering from a Disk Drive Failure Failed Disk Drive Protected by a Hot Spare Failed Disk Drive Not Protected by a Hot Spare Failure in Multiple Arrays Simultaneously Disk Drive Failure in a RAID 0 Array Multiple Failures in the Same Array Resetting the Controller A Introduction to Serial Attached SCSI Terminology Used in This Chapter What is SAS? Appendix A: Introduction to Serial Attached SCSI How Do SAS Devices Communicate? Whats a Phy? Whats a SAS Port? Whats a SAS Address? Whats a SAS Connector? What do SAS Cables Look Like? How are Disk Drives Identified in SAS? What are the SAS Connection Options? Direct-attach Connections Backplane Connections SAS Expander Connections How is SAS Different from Parallel SCSI? B Understanding RAID Understanding Drive Segments Nonredundant Arrays (RAID 0) RAID 1 Arrays RAID 1 Enhanced Arrays RAID 10 Arrays RAID 5 Arrays RAID 5EE Arrays RAID 50 Arrays RAID 6 Arrays RAID 60 Arrays Selecting the Best RAID Level C Using the Adaptec RAID Configuration Utility Introduction to the ARC Utility Running the ARC Utility Navigating the ARC Utility Using the ACU to Create and Manage Arrays Creating a New Array Managing Existing Arrays Initializing Disk Drives Rescanning Disk Drives Secure Erasing Disk Drives Using the -Select Utility to Modify Controller Settings Opening a -Select Utility Applying Changes and Exiting Appendix C: Using the Adaptec RAID Configuration Utility 82 Modifying Your Controllers Configuration Note: you do not change the default setting. General Controller Settings Note: SAS-specific Controller Settings SATA-specific Controller Settings SCSI-specific Controller Settings Formatting and Verifying Disk Drives Viewing the Event Log D Getting Started Working in the ACU Using Menus Running the ACU Using Scripts About Playback Mode About Record Mode Creating the Script File Manually Array Definition Block Keywords Page Page Channel Definition Block KeywordsSCSI only ACU Error Codes Sample Scripts Appendix D: Using the Array Configuration Utility for DOS E Using the Adaptec Flash Utility System Requirements Obtaining the Firmware Creating the Firmware Floppy Disks Running the Menu-based AFU Running the AFU from the Command Line AFU Commands Page Page Updating the Flash Using the AFU Command Line F Safety Information Electrostatic Discharge (ESD) Page Appendix G: Technical Specifications Environmental Specifications Note: DC Power Requirements Current Requirements Index A B C D E F H I K L Q R S T U V W