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04-07-2004 04:50 AM
04-07-2004 04:50 AM
remote shell script fails when submitted in background
We have several 1000 servers(HP/Sun). I am trying to implement a backup script which gets fired from a remote server and does the backup(Oracle export) locally. However this script is not working on 2 of our HP servers. The scripts fails when we submit in background, however runs perfect when we run it interactively. Here is a sample from a smaller test script.
From gsun251 on aamorgan (normal)
$ echo " uname -a " | rsh aamorgan.research.aa.wl.com " dd of=/tmp/jacob.test;ksh /tmp/jacob.test" > /tmp/jacob.log 2>&1
$ more /tmp/jacob.log
0+1 records in
0+1 records out
HP-UX aamorgan B.11.00 U 9000/800 603339393 unlimited-user license (I get the output)
From gsun251 on aamorgan (background)
$ echo " uname -a " | rsh aamorgan.research.aa.wl.com " dd of=/tmp/jacob.test;ksh /tmp/jacob.test &" > /tmp/jacob.log 2>&1
$ more /tmp/jacob.log
0+1 records in
0+1 records out
(No output)
From gsun251 to aacedar (Normal)
$ echo " uname -a " | rsh aacedar.research.aa.wl.com " dd of=/tmp/jacob.test;ksh /tmp/jacob.test " > /tmp/jacob.log 2>&1
$ more /tmp/jacob.log
0+1 records in
0+1 recorHP-UX aacedar B.11.00 U 9000/800 603379363 unlimited-user license (I get the output)
ds out
From gsun251 to aacedar (Background)
$ echo " uname -a " | rsh aacedar.research.aa.wl.com " dd of=/tmp/jacob.test;ksh /tmp/jacob.test &" > /tmp/jacob.log 2>&1
$ more /tmp/jacob.log
0+1 records in
0+1 recorHP-UX aacedar B.11.00 U 9000/800 603379363 unlimited-user license (I get the output)
ds out
From gsun251 on aamorgan (normal)
$ echo " uname -a " | rsh aamorgan.research.aa.wl.com " dd of=/tmp/jacob.test;ksh /tmp/jacob.test" > /tmp/jacob.log 2>&1
$ more /tmp/jacob.log
0+1 records in
0+1 records out
HP-UX aamorgan B.11.00 U 9000/800 603339393 unlimited-user license (I get the output)
From gsun251 on aamorgan (background)
$ echo " uname -a " | rsh aamorgan.research.aa.wl.com " dd of=/tmp/jacob.test;ksh /tmp/jacob.test &" > /tmp/jacob.log 2>&1
$ more /tmp/jacob.log
0+1 records in
0+1 records out
(No output)
From gsun251 to aacedar (Normal)
$ echo " uname -a " | rsh aacedar.research.aa.wl.com " dd of=/tmp/jacob.test;ksh /tmp/jacob.test " > /tmp/jacob.log 2>&1
$ more /tmp/jacob.log
0+1 records in
0+1 recorHP-UX aacedar B.11.00 U 9000/800 603379363 unlimited-user license (I get the output)
ds out
From gsun251 to aacedar (Background)
$ echo " uname -a " | rsh aacedar.research.aa.wl.com " dd of=/tmp/jacob.test;ksh /tmp/jacob.test &" > /tmp/jacob.log 2>&1
$ more /tmp/jacob.log
0+1 records in
0+1 recorHP-UX aacedar B.11.00 U 9000/800 603379363 unlimited-user license (I get the output)
ds out
1 REPLY 1
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04-07-2004 07:32 AM
04-07-2004 07:32 AM
Re: remote shell script fails when submitted in background
Could their be a .profile or .kshrc in the remote users home directory that could be intefering with STDIN?
-- Rod Hills
-- Rod Hills
There be dragons...
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
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