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SCO UNIX tape restore

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Operating Systems SCO SCO UNIX tape restore
# 1  
Old 05-24-2008
SCO UNIX tape restore
I am a mewbie to UNIX. I am using SCO Open Server 5 to run a legacy medical billing program "MDX" I have backup tapes made on HP DataStore8 which have the application and data files. Recently unable to login as individual user but can log into root. Previous commands that had restored the system using same hardware 5 years ago now produces error messages--cpio-illegal option. Here is the commands I used successfully in the past:
cd /u
mv mdx mdx.old
mkdir mdx
chmod 777 mdx
cd mdx
cpio -ivdum -l/dev/rStp0
Can anyone tell me what I can do to restore from the tape as these commands do not work now? Any and all help much appreciated
# 2  
Old 06-03-2008
The commands I use to extract a tape are:

cpio -iBudvcm -I /dev/rct0
cpio -iudvcm -C32768 -I /dev/rct0
# 3  
Old 06-11-2008
SCO newbie here also:

I am receiving the message:
cpio: cannot open </dev/rStp0> for input

Should the tape be mounted using a mount command first?
# 4  
Old 06-11-2008
the tape unit mst be installed into the kernel and recogniced like a tape unit, maybe you scsi id isn't right, good luck
# 5  
Old 06-25-2008
illegal option
can this mean that the argument needs space between -I and /dev... ?
# 6  
Old 09-17-2008
this really helped me out, thanks!
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