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12-22-2010 05:21 AM
12-22-2010 05:21 AM
Ultrium 3-SCSI Issue on Centos 5
when i execute the command
tar tvf /dev/st0 I get the following error.
tar : /dev/st0 : Cannot read : Input/Output Error.
tar : At begining of tape :quitting now.
tar : Error is not recoverable, acuitting now.
INFO:
OS :
LSB Version: :core-3.1-ia32:core-3.1-noarch:graphics-3.1-ia32:graphics-3.1-noarch
Distributor ID: CentOS
Description: CentOS release 5.5 (Final)
Release: 5.5
Codename: Final
I Have checked the drivers , they appear to be fine. please find the output of the following command.
# cat /proc/scsi/scsi
Host: scsi4 Channel: 00 Id: 00 Lun: 00
Vendor: HP Model: Ultrium 3-SCSI Rev: Q24D
Type: Sequential-Access ANSI SCSI revision: 05
# ls /dev/st*
/dev/st0 /dev/st0a /dev/st0l /dev/st0m /dev/stderr /dev/stdin /dev/stdout
# dmesg|grep -i st0
st 4:0:0:0: Attached scsi tape st0
st0: try direct i/o: yes (alignment 512 B)
st0: Block limits 1 - 16777215 bytes.
Thank!!
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12-22-2010 09:07 AM
12-22-2010 09:07 AM
Re: Ultrium 3-SCSI Issue on Centos 5
scsi4 : cciss
Vendor: HP Model: Ultrium 3-SCSI Rev: Q24D
Type: Sequential-Access ANSI SCSI revision: 05
scsi 4:0:0:0: Attached scsi generic sg2 type 1
st: Version 20070203, fixed bufsize 32768, s/g segs 256
st 4:0:0:0: Attached scsi tape st0
st0: try direct i/o: yes (alignment 512 B)
st0: Block limits 1 - 16777215 bytes.
st0: Current: sense key: Illegal Request
Add. Sense: Invalid field in cdb
cciss0: unknown unit attention detected
cciss0: unknown unit attention detected
******
there seems to be some problem with the cciss0 driver.
sas card which is installed is: HP Smart Array P212 Controller
# cat /proc/driver/cciss/cciss0
cciss0: HP Smart Array P212 Controller
Board ID: 0x3241103c
Firmware Version: 2.74
IRQ: 90
Logical drives: 0
Current Q depth: 0
Current # commands on controller: 0
Max Q depth since init: 0
Max # commands on controller since init: 1
Max SG entries since init: 16
Sequential access devices: 1
any ideas??
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12-22-2010 10:08 AM
12-22-2010 10:08 AM
Re: Ultrium 3-SCSI Issue on Centos 5
You can't hang that tape drive on a raid controller. The connection is right, but the card can't talk properly to the drive.
The drive needs a dedicated scsi controller.
I ran into the same problem on an rx6600 running HP-UX.
The drive showed up but did not work right.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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12-22-2010 11:43 AM
12-22-2010 11:43 AM
Re: Ultrium 3-SCSI Issue on Centos 5
In fact this problem happens to me on time. If I try another tape, I can read and write with "tar" on it without problems.
If the problem you enter on the other link, I would not work with any tape.
I've been searching google, but problems with this type of Ultrium, are solved by adding the following lines to / etc / rc.d / rc.local:
for x in / proc / driver / cciss / cciss [0-9] *
do
echo "engage scsi"> $ x
done
This makes sense?. They do not understand these lines.
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12-22-2010 01:23 PM
12-22-2010 01:23 PM
Re: Ultrium 3-SCSI Issue on Centos 5
The behavior on Centos is different than HP-UX.
The raid card may be the exact same card if your box is built by HP.
These Ultrium tape drives DO work much better on a dedicated scsi connection. Give it a try, the card is not outrageously expensive.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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12-22-2010 03:42 PM
12-22-2010 03:42 PM
Re: Ultrium 3-SCSI Issue on Centos 5
"
for x in /proc/driver/cciss/cciss[0-9]*
do
echo "engage scsi" > $x
done
"
in /etc/rc.d/rc.local ?
Thanks!!
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12-26-2010 03:02 PM
12-26-2010 03:02 PM
Re: Ultrium 3-SCSI Issue on Centos 5
Thanks!!
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