Status Byte
32 T10000: Interface Reference Manual August 2016
Busy
Busy (08) status occurs when the target:
• Is busy performing another operation
• Cannot accept a command
The normal initiator recovery from a Busy status is to reissue the command.
Check Condition
Check Condition (02) status occurs when any error, unit exception, or abnormal
condition that generates sense data occurs.
Check Condition status occurs when one of the following conditions exist:
• Issuing an invalid command or parameter
• Issuing a motion command to a device that is not ready
• Issuing a write-type command to a file-protected cartridge
• Issuing a forward motion command to a device at the physical end-of-tape
• Issuing a backspace operation to a device at the beginning-of-tape
• Detecting a deferred check condition
• Exceeding the retry operations for an interface error
• Detecting any error condition that prevents successful completion of an operation
Good
Good (00) status indicates that the device successfully completed the command.
Reservation Conflict
Reservation Conflict (18) status is returned whenever a SCSI initiator attempts an
operation that violates another initiator’s Logical Unit Reservation.
Task Set Full
Task Set Full (28) status is returned when the logical unit receives a command and
does not have enough resources to process it.
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