Request Sense
Julyl 2017 Command Set 225
Hardware Error Sense Key
The library generates a Hardware Error sense key if a hardware or firmware error is
detected during command execution. The following pages describe the conditions
that generate hardware errors.
Hardware Error, General
The library generates a general hardware error when it detects an internal electronics
error during a command. This includes the electronics, vision system, and robotics of
the library.
Hardware Error, Empty Drive Bay or Tape Drive Error
The library returns this error in either of the following situations:
• An operation to the drive fails. In this case, the problem could be the tape drive or
the interface between the library and tape drive.
• The tape drive was removed from the library after initialization.
• The Drive Element Address Mode Configuration is set to Address All Drive Slots,
and the command returning this error is including an empty drive bay.
Hardware Error, Mailslot
The library generates a hardware error when the mailslot fails.
Hardware Error, Embedded Software
The library generates a hardware error when an unexpected condition is detected by
the embedded software that controls the SCSI interface. This error is used for
arbitrary limitations of the embedded software.
Hardware Error, Media Load/Eject Failed
The library generates a hardware error when a load or eject fails to complete.
TABLE 4-124 Hardware Error Sense Keys
Description Sense Key ASC ASCQ
Hardware Error, General 4h 40h 01h
Hardware Error, Empty Drive Bay or Tape Drive Error 4h 40h 02h
Hardware Error, Mailslot 4h 40h 03h
Hardware Error, Imbedded Software 4h 44h 00h
Hardware Error/Media Load/Eject Failed 4h 53h 00h
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