Request sense keys – Quantum Audio Travan 40 Tape Drive STT3401A User Manual

Page 84

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Chapter 5

ATAPI Interface

Page 76

Seagate Travan 40 Product Manual

Code

Travan 7

Compatibility

Cartridge Type

00h

N/A

No cartridge, cleaning cartridge, or type unknown

85h

Read / Write

Travan 5, NS20

95h

N/A

Travan 7

Filemark Count: This is the number of Filemarks encountered since the tape was
last at BOM. This counter is not reset by a REQUEST SENSE command, but is reset
when tape is positioned back to BOM.

Physical Block Number: The number of the next physical block to be read/written
by the Host.

Tape Module Error Code (TMC): Vendor unique error codes provided for firmware
and drive-related diagnostic purposes.

Last 10 Commands: This field shows the last 10 CDBs received by the drive from
the host.

Request Sense Keys

Sense Key
(hex value)


Type


Meaning

0

No Sense

Indicates that there is no specific Sense Key information to
be reported. This would be the case for a successful
command or a command that received Check Condition or
command Terminated status because one of the Filemark,
EOM, or ILI bits is set to 1.

1

Recovered
Data

Indicates that the last command completed successfully
with some recovery action performed by the target. Details
may be determined by examining the additional sense bytes
and the information bytes. When multiple recovered errors
occur during one command, the choice of which error to
report (first, last, most severe, etc.) is device specific.

2

Not Ready

The tape drive cannot be accessed. Operator intervention
may be required.

3

Media Error

An unrecoverable error occurred that was caused by either
a flow in the media, or an error in the recorded data.

4

Hardware
Error

The drive detected an unrecoverable hardware failure
during the performance of a command or internal
diagnostics.

5

Illegal
Request

There was an illegal parameter in the command Description
block or associated additional parameters or an
inappropriate sequence of commands was issued.

6

Unit
Attention

The tape cartridge may have been changed or the drive
Reset since the last command was issued. This error is
reported by the first command following this condition and
the function of this condition is not performed. The Unit
Attention is reported to all Initiators that subsequently issue
commands to the drive.

7

Data Protect

A write or erase operation was attempted on a device with
the cartridge in the Safe state.

8

Blank Check

The drive encountered the End-of-Recorded Media. This is
not the same as the physical EOM.

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