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Troubleshooting & Diagnostics
Diagnostic Information
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Troubleshooting
Table 19 Returned Sense Data Fields:
Valid: 1 indicates that the information bytes contain valid information as defined in the SCSI specification.
Error Code: 70h indicates that the error is current, that is, it is associate
CONDITION status has been reported. 71h indicates that the error is . A deferred error occurs when there is
in a
CONDITION status was reported is therefore unlikely to be the cause of the deferred error. It simply gives the drive
ECK CONDITION status for an error that already exists.
Segment Number:
(Default value is 1)The Mark bit is set to 1 when the logical position is at a filemark or setmark. See the
Sense Code and Qualifier fields will indicate which sort of mark it is.
MODE SELECT Device Configuration Parameters page is set.
EOM: lue is 1) The EOM bit indicates the tape is a BOP or EOP/M. Three different Sense keys may be
• -
region preceding EOP with an additional sense code of
encounters BOP, or after commands such as LOAD and REWIND. EOP/M is reported when a WRITE or
partition
(
and VERIFY can cause this bit to be set.
Sense Key:
The Information Bytes field is on
following the failure of either a READ, WRITE, WRITE FILEMARKS, or SPACE command. The field can take a
nd that failed for the
0Eh specifies the number of additional sense bytes to follow and is always set to 0Eh.
Command Specific Information Bytes: ntity is
These two bytes provide additional information about the cause of the
position when the REQUEST SENSE is unsolicited. See “Additional
This will be set to a value to indicate a specific part that has failed. It may be one of the following
oller PCA failure
2: Drive mechanism failure
3: Change mechanism or external power supply