Special files .............. 65
Persistent Naming Support ......... 67
Control Path failover support for tape libraries .. 67
Configuring and unconfiguring path failover
support............... 67
Primary and alternative paths ....... 68
Querying primary and alternative path
configurations ............ 69
Disabling and enabling primary and alternative
paths ............... 69
Data Path failover and load balancing support for
tape drives .............. 69
Configuring and unconfiguring path failover
support............... 70
Primary and alternative paths ....... 71
Querying primary and alternative path
configuration ............. 71
Disabling and enabling primary and alternative
paths ............... 72
Problem determination .......... 72
Error logging ............. 72
Sense data logging ........... 72
Support_info script ........... 72
Tracing facility ............ 73
Problems and solutions ......... 74
Chapter 5. Linux Tape and Medium
Changer device driver ........ 77
Product requirements ........... 77
Installation and Configuration instructions .... 77
Conventions used ........... 78
Configuration limitations ......... 78
Components created during installation .... 78
Installation procedure .......... 79
Updating procedure .......... 79
Querying the installed package ....... 80
Configuring Tape and Medium Changer devices
on Intel-compatible systems ........ 80
Configuring Tape and Medium Changer devices
on IBM System p models ......... 81
Configuring Tape and Medium Changer devices
on IBM System z models ......... 81
Uninstallation procedure ......... 83
Tape drive, media, and device driver parameters .. 83
Configuration parameters......... 83
Nonchangeable parameters ........ 84
Changeable parameters ......... 85
Special files .............. 89
Special files for the tape device ....... 89
Special files for the Medium Changer device .. 89
Persistent Naming Support ........ 90
Control Path failover support for tape libraries .. 92
Configuring and unconfiguring path failover
support............... 92
Enabling path failover for the sg interface ... 93
Primary and alternative paths ....... 93
Querying primary and alternative path
configuration ............. 94
Disabling and enabling primary and alternative
paths ............... 94
Data Path failover and load balancing support for
tape drives .............. 94
Enabling path failover for st and sg interface .. 95
Primary and alternative paths ....... 96
Querying primary and alternative path
configuration ............. 97
Disabling and enabling primary and alternative
paths ............... 97
Tape Reserve Type ........... 97
Open source device driver - lin_tape ...... 97
Comparing IBMtape and lin_tape ...... 97
Installation ............. 98
Driver parameters and special device files ... 98
Taking devices offline and completing
maintenance ............. 98
Path failover support .......... 99
lin_taped daemon ........... 99
System-managed encryption ......... 99
Configuring device drivers ........ 99
Querying tape drive configuration ..... 100
Problem determination .......... 101
Tracing driver modules ......... 101
Configuring and running the lin_taped daemon 101
Reservation conflict logging ....... 106
Chapter 6. Solaris Tape and Medium
Changer Device Driver ....... 107
Product requirements........... 107
Installation and configuration instructions .... 108
Preventing conflicts with other device drivers 108
Preinstallation considerations ....... 109
Installing and updating IBMtape ...... 109
Configuring IBM tape devices with Fibre
Channel and SAS HBAs ......... 115
Configuring limitations ......... 120
Solaris Zones support ......... 120
Configuration parameters ........ 123
Dynamic Runtime Attributes ....... 127
Removing IBMtape .......... 128
Adding or removing devices ....... 128
Unconfiguring tape devices........ 129
Tapelist Utility Program ......... 129
Special files .............. 131
Device behaviors ........... 132
File naming conventions......... 132
Persistent Naming Support ......... 133
Control Path failover support for libraries .... 135
Configuring and deconfiguring Path Failover
support .............. 135
Primary and alternative paths ....... 135
Querying primary and alternative path
configuration ............ 136
Disabling and enabling primary and alternative
paths ............... 136
Data Path failover and load balancing support for
tape drives .............. 136
Configuring and deconfiguring Path Failover
support .............. 136
Primary and alternative paths ....... 138
Querying primary and alternative path
configuration ............ 138
xvi IBM Tape Device Drivers: Installation and User's Guide
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