IBM TS2340 User Guide - Page 64
Detail Data, HOST IO BUS ERROR - Host I/O bus error during data transfer.
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AIX Device Driver (Atape) v TAPE_DRIVE_CLEANING Tape drive needs cleaning v RESERVE_CONFLICT Reservation conflict Detail Data Detail data is logged with the associated error that identifies the cause of the error. Detail data for the SIM_MIM_RECORD_3590 or TAPE_SIM_MIM_RECORD entries contain the raw data from Log Sense Page X'31'. Refer to the hardware reference manual for the format of this entry. All other error log entries use the following format for detail data: Detail Data SENSE DATA aabb xxxx ccdd eeee eeee eeee eeee eeee ffgg hhxx ssss ssss ssss ssss ssss ssss ssss ssss ssss ssss .... Where: aa Length of the command descriptor block (CDB) bb SCSI target address xx Unused or reserved cc Start of CDB, cc is the operation code (byte 0) dd Logical unit (byte 1) in the CDB ee Bytes 2 through 12 in the CDB ff Status validity field. If this field is 01, then a SCSI error was reported, and byte gg indicates the type of error. If this field is 02, then an adapter error was reported, and byte hh indicates the type of error. gg This byte indicates the type of SCSI error that occurred: v 02 CHECK CONDITION - Device reported a check condition. v 08 BUSY STATUS - Target is busy. v 18 RESERVATION CONFLICT - Target is reserved to another initiator. v 22 COMMAND TERMINATED - Device terminated the command. v 28 QUEUE FULL - Device command queue is full. hh This byte indicates the type of adapter error that occurred. For parallel SCSI adapters, this is the general_card status code as defined in /usr/include/sys/scsi.h: v 01 HOST IO BUS ERROR - Host I/O bus error during data transfer. v 02 SCSI BUS FAULT - SCSI bus protocol or hardware error. v 04 COMMAND TIMEOUT - Command timed out before completion. v 08 NO DEVICE RESPONSE - Target did not respond to selection phase. v 10 ADAPTER HARDWARE FAILURE - Adapter indicated a hardware failure. v 20 ADAPTER SOFTWARE FAILURE - Adapter indicated a microcode failure. v 40 FUSE OR TERMINAL PWR - Blown terminator fuse or bad termination. v 80 SCSI BUS RESET - Adapter indicated SCSI bus has been reset. 46 IBM Tape Device Drivers Installation and User's Guide