Tape - AIX

lsdev  - list devices information that are based upon information in the Customized Devices (Cudv) or Predefined Devices(PdDv) object class.

lspath - show all MPIO-capable chinld devices of the specified parent.

lsdev
-C   lists a device information in the Customized Devices object class.  The -C flag is not required, but is maintained for compatibility reasons.
-c Class
    specifies a device class name.  This flag can be used to restrict output to devices in a specified class.

# lsdev -Cc tape                 列出系统所带的所有磁带设备
# lsdev -Cc adapter              列出系统所带的所有Adapter
# lslpp -l Atape.driver          查看Atape安装的版本和状态
# lscfg -vl rmt0                 查看磁带驱动器rmt0的信息
# rmdev -l rmt0                  将磁带驱动器rmt0置于离线状态(Defined)
# mkdev -l rmt0                  使已定义的磁带机rmt0可用(Available)
# rmdev -ld rmt0                 将磁带驱动器rmt0删除（Delete)（置于离线状态并且清除磁带驱动器在配置数据库中的定义）

# cfgmgr -v                      重新发现系统连接的设备(所有的）
# cfgmgr -l scsi0 -v             重新配置scsi0及其子设备

# tapeutil                       是 Atape 提供的磁带机及带库测试应用程序，它是对磁带库以及驱动器进行直接操作的接口,使用很方便

 General Commands:

 1. Open a Device             5. Inquiry           9. Log Sense Page

 2. Close a Device            6. Test Unit Ready   10. Mode Sense Page

 3. Device Info               7. Reserve Device    11. Release Device

 4. Tape Drive Service Aids   8. Request Sense     Q. Quit Program

 Medium Changer Commands:

 12. Element Information             16. Move Medium

 13. Position To Element             17. Load/Unload Medium

 14. Element Inventory               18. Initialize Element Status

 15. Exchange Medium                 19. Prevent/Allow Medium Removal

 Tape Commands:

 20. Query/Set Parameters             30. Read and Write Tests

 21. Prevent/Allow Medium Removal     31. Unload/Load Tape

 22. Rewind                           32. Erase

 23. Erase Gap                        33. Write Filemarks

 24. Forward Space Filemarks          34. Backward Space Filemarks

 25. Forward Space Records            35. Backward Space Records

 26. Space to End of Data             36. Query/Set Tape Position

 27. Log Sense                        37. Read or Write Files

 28. Display Message                  38. Get Drive Encryption Settings

 29. Synchronize Buffers              39. Report Density Support

 40. Test Encryption Key Path/Setup

Enter Selection:

# /usr/lpp/diagnostics/bin/utape -cd rmt0 –n   磁带机清洁的检查命令,显示结果为磁带机使用的小时数，若大于72小时，则不论磁带机黄灯是否亮都应用清洁带清洗

# tctl -f /dev/rmt0 rewind           重绕磁带设备
用tar对文件进行备份和恢复，检测磁带机：

1、在/tmp下，建test.txt文件
#cd  /tmp
#vi test.txt

2、将test.txt写到磁带上
#tar -cvf  /dev/rmt0  ./test.txt

3、显示磁带上备份的文件
#tar -tvf  /dev/rmt0

4、删除/tmp下的test.txt
#rm test.txt

5、恢复test.txt文件
#tar -xvf  /dev/rmt0  ./test.txt#lsdev -Cc tape
#lsdev -Cc adapter