IBM TS2340 User Guide - Page 41
AIX Tape and Medium Changer Device Driver, Purpose
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Chapter 3. AIX Tape and Medium Changer Device Driver Purpose 23 Data Flow 24 Product Requirements 24 Hardware Requirements 24 Software Requirements 26 Installation and Configuration Instructions . . . . 26 Installation Procedure 27 Configuring Tape and Medium Changer Devices 27 Deconfiguring Tape Devices 28 Deconfiguring Medium Changer Devices . . . 28 Uninstalling 28 Tape Drive, Media, and Device Driver Parameters 28 Configuration Parameters 29 Media Parameters 33 Automatic Cartridge Facility Mode . . . . . 34 Special Files 34 Special Files for Tape Devices 34 Special Files for Medium Changer Devices . . . 35 Persistent Naming Support 36 Changing the Logical Name After Initial Boot . . 36 Control Path Failover Support for Tape Libraries . . 37 Configuring and Unconfiguring Path Failover Support 37 Primary and Alternate Paths 38 Querying Primary and Alternate Path Configurations 38 Configuring and Unconfiguring Primary and Alternate Devices 39 Data Path Failover and Load Balancing Support for Tape Drives 39 Installing Data Path Failover License Key . . . 39 Configuring and Unconfiguring Path Failover Support 40 Primary and Alternate Paths 40 Querying Primary and Alternate Path Configuration 41 Configuring and Unconfiguring Primary and Alternate Devices 41 System-Managed Encryption 41 Device Driver Configuration 41 Querying Tape Drive Configuration . . . . . 42 Testing Data Encryption Configuration and Connectivity 42 Error Logging 42 Field Support Information 42 Problem Determination 43 Using the Dump Support 43 Device and Volume Information Logging . . . 43 Log File 44 Tape Log Utility 44 Reservation Conflict Logging 44 Error Logging 45 Error Log Templates 45 Automatic Dump Facility 47 Trace Facility 47 Atape System Trace (ATRC) Utility . . . . . 48 Component Tracing 48 Atape Component Trace (ACTRC) Utility . . . 48 Tape Drive Service Aids 48 Details of Tape Service Aids 49 Performance Considerations 51 Data Path 51 Common AIX Utilities 52 AIX iostat Utility for Tape Performance . . . . 52 Before Calling Support 52 This chapter describes the IBM AIX Enhanced Tape and Medium Changer Device Driver (Atape) for IBM tape devices. For tape diagnostic and utility functions refer to Chapter 10, "IBM Tape Diagnostic Tool (ITDT)," on page 259 or "AIX System - Tape Utility Program (tapeutil)" on page 362. Purpose The IBM AIX Enhanced Tape and Medium Changer Device Driver is designed specifically to take advantage of the features provided by the IBM tape drives and medium changer devices. The goal is to give applications access to the functions required for basic tape operations (such as backup and restore) and medium changer operations (such as mount and demount the cartridges), as well as to the advanced functions needed by full tape management systems. Whenever possible, the driver is designed to take advantage of the device features transparent to the application. Please note that some independent software vendor (ISV) applications have certain device driver requirements. Before installing the device drivers, please refer to the ISV web site or their support to find out what device drivers should be used for the ISV. © Copyright IBM Corp. 2007, 2009 23