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тАО11-13-2003 12:59 AM - last edited on тАО09-29-2014 01:53 AM by Maiko-I
тАО11-13-2003 12:59 AM - last edited on тАО09-29-2014 01:53 AM by Maiko-I
SCSI or DLT drive pb ?
Hello,
I have a problem with an hp9000 HPUX 11.00. since yesterday.
I'm using omniback and even if the backup are going fine, I can't restore anything (I/O error on /dev/rmt/0m).
So, I tried with several DLT tape and when I directly tar files, the process is going fine (No errors and everything seems to be written on the DLT). But if I try to read the DLT, I have the following error in my syslog :
vmunix: SCSI: Unexpected Disconnect -- lbolt: 597289, dev: cd043000, io_id: 4000f23
and I can't read anything. I find strange that the pb occurs only when I read DLT, not when I wrote on them. Do you think it's an SCSI pb or is the DLT drive KO ?
I rebooted the server and verified the cables but it didn't changed anything. :(
And the drive is alone on the SCSI link.
Txs for your help
P.S. This thread has been moved from General to Tape Libraries and Drives. - Hp Forum Moderator
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тАО11-13-2003 01:07 AM
тАО11-13-2003 01:07 AM
Re: SCSI or DLT drive pb ?
if you can reproduce the problem and it always happens only when you read, not when you write to the tape, I would assume it has to be the drive. Especially since you say you verified the cable (and connectors and terminator I guess).
Regards,
Bernhard
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тАО11-13-2003 01:35 AM
тАО11-13-2003 01:35 AM
Re: SCSI or DLT drive pb ?
a) The 'lbolt' is the number of clock ticks since the last boot.
b) What is the device, c4t3d0?
# ioscan -fnkC disk
c) Please attach LOGTOOL report:
# STM > TOOLS > UTILITY > RUN > LOGTOOL > FILE > VIEW > RAW SUMMARY.
d) You can increase the timeout and the queue depth:
pvchange -t 60 /dev/rdsk/c4t3d0
scsictl -m queue_depth /dev/rdsk/c4t3d0
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тАО11-13-2003 01:38 AM
тАО11-13-2003 01:38 AM
Re: SCSI or DLT drive pb ?
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тАО11-14-2003 02:04 AM
тАО11-14-2003 02:04 AM
Re: SCSI or DLT drive pb ?
It's always the same problem wathever the tape inside, and same pb occurs with tar.
I try the ioscan and so on monday and let you know the result.
Eric
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тАО11-14-2003 02:14 AM
тАО11-14-2003 02:14 AM
Re: SCSI or DLT drive pb ?
#ioscan -fnkC tape
Class I H/W Path Driver S/W State H/W Type Description
=====================================================================
tape 0 0/3/0/0.3.0 stape CLAIMED DEVICE QUANTUM DLT8000
/dev/rmt/0m /dev/rmt/c4t3d0BEST
/dev/rmt/0mb /dev/rmt/c4t3d0BESTb
/dev/rmt/0mn /dev/rmt/c4t3d0BESTn
/dev/rmt/0mnb /dev/rmt/c4t3d0BESTnb
and here is the logtool file :
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тАО01-12-2004 01:50 AM
тАО01-12-2004 01:50 AM