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Old 06-03-2005, 08:13 AM   #1
spilotro47
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Back up tape drive urgent


I cannot seem to get my back up tape drive to work. It is saying no device??
 
Old 06-03-2005, 10:36 AM   #2
phatboyz
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Lets start with the basics. What version of linux are you using and kernel version? Then does your bios see your SCSI card? Then we can verifly if your distro sees the card. Then the drive it self. Also are you sure that the drive is setup properly and terminated right?
 
Old 06-03-2005, 10:41 AM   #3
spilotro47
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actually I think its version 8 but I could be wrong, (I didnt install it) and as for the kernal I dont know either, I am a newb anyway I do know that the bios reconizes the drive and the card. and it is properly terminated. I took over a job and I have this linux sever that I know little about and so far I been pretty lucky until yesterday.
 
Old 06-03-2005, 11:48 AM   #4
phatboyz
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I assume that you are working from the command line and have root access. type cat /proc/version and it will tell us what kernel you are using. Also there is alot of other helpful things in that dir that can tell you about your computer. I sugest that you print the output of lspic and demesg just so you'll know what your working with from now on. Now when I asked you what distribution that you were using you didn't give me an valid answer. Looking for something like Mandrake,Slackware,debian,redhat,CentOS. But since you gave me an 8.0 I'm going to assume that its an old redhat box that is way out of date and unless your last admin was a very good with linux I'd say there is some security issues that need to be looked at.

Ok testing of the drive
mt status

Let me know what it returens
 
Old 06-03-2005, 11:53 AM   #5
spilotro47
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sorry it is redhat, but hers what came up.

Linux version 2.4.22-1.2166.nptlsmp (root@nvf10bld)
(gcc version 3.2.3 20030422 (Red Hat Linux 3.2.3-6))
#1 SMP Mon Feb 16 20:35:29 EST 2004
 
Old 06-03-2005, 11:59 AM   #6
phatboyz
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what about from the command line
mt status
 
Old 06-03-2005, 12:00 PM   #7
spilotro47
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no such file or directory
 
Old 06-03-2005, 12:14 PM   #8
phatboyz
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ok then your using dump and thats something that I am not associated with.

the device should be /dev/st0 ands /dev/nst0
the difference is one supports rewide and the other one don't st0 rewinds the tape after write and nst0 doesn't.

We need some other responces in here. He is using older software than I have toyed with!!!!

you might try dump --help or man dump

Also you might be running amanda server for doing backups. There is no telling since the machine is so old and out dated and non suported by red hat. You might want to look into CentOS 4 as it is derived from the source code of Red Hat EL and is currently uptodate.
 
Old 06-03-2005, 12:17 PM   #9
phatboyz
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Was you other admin running any scripts? You might want to parse through his history of commands and write down anything that came from /sbin

To view the history you push up on the arrow keys.
 
Old 06-03-2005, 12:18 PM   #10
spilotro47
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it uses tar for backups. I know that for sure. I was trying to replace a file from tuesdays backup andthe tape just stopped working out of no where?
 
Old 06-03-2005, 12:25 PM   #11
phatboyz
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Whats the command that you are using?
 
Old 06-03-2005, 12:29 PM   #12
spilotro47
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tar -tzvf /dev/st0 IU
 
Old 06-03-2005, 12:44 PM   #13
phatboyz
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the t option in tar is to view a file not write one.
 
Old 06-03-2005, 12:53 PM   #14
spilotro47
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it still gives me an error mesage saying cannot open no such device.
 
Old 06-03-2005, 01:44 PM   #15
phatboyz
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You might want to clean the heads or something. Post the output of dmesg here.
 
  


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