tape0c.log

Linux磁盘测试的源代码,测试磁盘的读写性能

Command Line:

    # dt of=/dev/tape/tape0c bs=1m limit=1g enable=resets,debug,eei,coredump log=tape0c.log 

	--> Date: March 1, 1999, Version: 11.6, Author: Robin T. Miller <--

dt: Attempting to open output file '/dev/tape/tape0c', open flags = 01...
dt: Output file '/dev/tape/tape0c' successfully opened, fd = 3
dt: Allocated buffer at address 0x14002c000 of 1048580 bytes, using offset 0
dt: Processing reset condition (EEI_DEVPATH_RESET) - file 0, record 1

MTIOCGET ELEMENT	CONTENTS
----------------	--------
mt_type			MT_ISSCSI
mt_dsreg		0x21
			DEV_BOM DEV_WRITTEN 
mt_erreg		0x6 (UNIT ATTENTION - Medium changed or target reset)
mt_resid		0
mt_fileno		0 
mt_blkno		1 

CAM Extended Error Information:

                       EEI Version: 0x2
                        EEI Status: EEI_DEVPATH_RESET (0x6400) - Device/bus reset occured
                   EEI Valid Flags: 0x1000007 - CAM_STATUS SCSI_STATUS SCSI_SENSE CAM_DATA
                        CAM Status: CAM_REQ_CMP_ERR (0x4) - CCB request completed with an error
                       SCSI Status: SCSI_STAT_CHECK_CONDITION (0x2) - Error, exception, or abnormal condition

SCSI Request Sense Information:

                        Error Code: 0x70 (Current Error)
                         Valid Bit: 0
                    Segment Number: 0
                         Sense Key: 0x6 (UNIT ATTENTION - Medium changed or target reset)
                    Illegal Length: 0
                      End Of Media: 0
                         File Mark: 0
                 Information Field: 0
           Additional Sense Length: 0x16
      Command Specific Information: 0
   Additional Sense Code/Qualifier: (0x29, 0) = Power on, reset, or bus device reset occurred
       Field Replaceable Unit Code: 0
              Sense Specific Bytes: 00 00 00 
            Additional Sense Bytes: 86 00 39 00 00 20 56 00 83 e9 a7 00 

dt: Record count sanity check failed, mt_blkno = 1, my count = 30
dt: Issuing 'rewind tape' command, count = 0 (0)

MTIOCGET ELEMENT	CONTENTS
----------------	--------
mt_type			MT_ISSCSI
mt_dsreg		0x21
			DEV_BOM DEV_WRITTEN 
mt_erreg		0x0 (NO SENSE - No error or no sense information)
mt_resid		0
mt_fileno		0 
mt_blkno		0 

CAM Extended Error Information:

                       EEI Version: 0x2
                        EEI Status: EEI_DEVPATH_RESET (0x6400) - Device/bus reset occured
                   EEI Valid Flags: 0x1000000 - CAM_DATA
                        CAM Status: <Not Valid>
                       SCSI Status: <Not Valid>
                   SCSI Sense Data: <Not Valid>

dt: Issuing 'rewind tape' command, count = 0 (0)
dt: Issuing 'tape online' command, count = 0 (0)
dt: Positioning to record 30...
dt: Issuing 'forward space record' command, count = 30 (0x1e)

DEVIOGET ELEMENT	CONTENTS
----------------	--------
category		DEV_TAPE
bus			DEV_SCSI
interface		SCSI
device			TZ89    
adpt_num		0
nexus_num		0
bus_num			2
ctlr_num		2
slave_num		18
dev_name		tz
unit_num		18
soft_count		0
hard_count		18
stat			0x20
			DEV_WRITTEN 
category_stat		0x0

DEVGETINFO ELEMENT      CONTENTS
------------------      --------
media_status            0x10020
                        Written POS_VALID 
unit_status             0x1a1
                        Ready 2_FM_Close Rewind Compacting Buffered 
record_size             0
density (current)       85700 BPI
density (on write)      81630 BPI
Filemark Cnt            0
Record Cnt              193
Class                   1 - DLT (tk)

MTIOCGET ELEMENT	CONTENTS
----------------	--------
mt_type			MT_ISSCSI
mt_dsreg		0x20
			DEV_WRITTEN 
mt_erreg		0x0 (NO SENSE - No error or no sense information)
mt_resid		0
mt_fileno		0 
mt_blkno		193 

CAM Extended Error Information:

                       EEI Version: 0x2
                        EEI Status: EEI_DEVPATH_FAILURE (0x6200) - Device not there (powered off?)
                   EEI Valid Flags: 0x1000001 - CAM_STATUS CAM_DATA
                        CAM Status: CAM_SEL_TIMEOUT (0xa) - Target selection timeout
                       SCSI Status: <Not Valid>
                   SCSI Sense Data: <Not Valid>

dt: 'write' - I/O error

DEVIOGET ELEMENT	CONTENTS
----------------	--------
category		DEV_TAPE
bus			DEV_SCSI
interface		SCSI
device			TZ89    
adpt_num		0
nexus_num		0
bus_num			2
ctlr_num		2
slave_num		18
dev_name		tz
unit_num		18
soft_count		0
hard_count		21
stat			0x20
			DEV_WRITTEN 
category_stat		0x0

DEVGETINFO ELEMENT      CONTENTS
------------------      --------
media_status            0x10020
                        Written POS_VALID 
unit_status             0x1a1
                        Ready 2_FM_Close Rewind Compacting Buffered 
record_size             0
density (current)       85700 BPI
density (on write)      81630 BPI
Filemark Cnt            0
Record Cnt              193
Class                   1 - DLT (tk)

MTIOCGET ELEMENT	CONTENTS
----------------	--------
mt_type			MT_ISSCSI
mt_dsreg		0x20
			DEV_WRITTEN 
mt_erreg		0x0 (NO SENSE - No error or no sense information)
mt_resid		0
mt_fileno		0 
mt_blkno		193 

CAM Extended Error Information:

                       EEI Version: 0x2
                        EEI Status: EEI_DEVPATH_FAILURE (0x6200) - Device not there (powered off?)
                   EEI Valid Flags: 0x1000001 - CAM_STATUS CAM_DATA
                        CAM Status: CAM_SEL_TIMEOUT (0xa) - Target selection timeout
                       SCSI Status: <Not Valid>
                   SCSI Sense Data: <Not Valid>

dt: Error number 1 occurred on Thu Mar 25 15:39:56 1999
dt: Exiting with status code 255...
dt: Closing file '/dev/tape/tape0c', fd = 3...
dt: 'close' - I/O error
dt: Attempting to open output file '/dev/tape/tape0c', open flags = 05...
dt: 'check_eei_status open' - No such device or address
Total Statistics:
     Output device/file name: /dev/tape/tape0c (Device: TZ89, type=tape)
   Data pattern read/written: 0x39c39c39
     Total records processed: 192 @ 1048576 bytes/record (1024.000 Kbytes)
     Total bytes transferred: 201326592 (196608.000 Kbytes, 192.000 Mbytes)
      Average transfer rates: 4001191 bytes/sec, 3907.413 Kbytes/sec
     Number I/O's per second: 3.816
      Total passes completed: 0/1
       Total errors detected: 1/1
          Total elapsed time: 00m50.31s
           Total system time: 00m00.23s
             Total user time: 00m16.75s
               Starting time: Thu Mar 25 15:39:01 1999
                 Ending time: Thu Mar 25 15:39:57 1999