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about tape!

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leyearn
Regular Advisor

about tape!

my customer said his tape drive is physically damaged
i checked the system log
including binary.errlog,messages and the files under syslog.dated directory
but i found nothing wrong about tape !
how can identify the tape error remotely!

system is alpha server 4100
os is tru64 4.0D
3 REPLIES
Ralf Puchner
Honored Contributor
Solution

Re: about tape!

# uerf -R -o full
# mt status

see also the command "tapex" for tape testings.
Help() { FirstReadManual(urgently); Go_to_it;; }
leyearn
Regular Advisor

Re: about tape!

the following messges is the output of mt status command
which entry can prove the tape drive is physically wrong?



DEVIOGET ELEMENT CONTENTS
---------------- --------
category DEV_TAPE
bus DEV_SCSI
interface SCSI
device TLZ09
adpt_num 0
nexus_num 0
bus_num 1
ctlr_num 1
slave_num 43
dev_name tz
unit_num 43
soft_count 0
hard_count 0
stat 0x5
DEV_BOM DEV_OFFLINE
category_stat 0x20000
DEV_61000_BPI

DEVGETINFO ELEMENT CONTENTS
------------------ --------
media_status 0x10001
BOM POS_VALID
unit_status 0x1a2
Offline 2_FM_Close Rewind Compacting Buffered
record_size 0
density (current) 61000 BPI
density (on write) 0 BPI
Filemark Cnt 1
Record Cnt 0
Class 2 - RDAT

MTIOCGET ELEMENT CONTENTS
---------------- --------
mt_type MT_ISSCSI
mt_dsreg 0x5
DEV_BOM DEV_OFFLINE
mt_erreg 0x2 Unit is not ready.
mt_resid 0
mt_fileno 1
mt_blkno 0
DEV_EEI_STATUS
version 0x2
status 0x3200 Device inoperable (needs initialize)
flags 0x1000007
CAM_STATUS SCSI_STATUS SCSI_SENSE CAM_DATA
cam_status 0x4 CCB request completed with an err
scsi_status 0x2 SCSI_STAT_CHECK_CONDITION
scsi_sense_data (hex)
70 0 2 0 0 0 0 12
0 0 0 0 3a 0 0 0
0 0 0 0 0 0 8 3a
6b 40 0 0 0 0 0 0
0 0 0 0 0 0 0 0
0 0 0
ASC/ASQ = 3a/0 Medium not present
Ralf Puchner
Honored Contributor

Re: about tape!

with the mt status command you can check if the device is recognized and if the tape itself respond to queries.

In your case there is no magnetic tape in the slot.

If you want to know if there are physical problems use

# uerf -R -o full

and check for SCSI Tape entries.
Help() { FirstReadManual(urgently); Go_to_it;; }