Solved

NetWorker On CentOS

Posted on 2016-09-20
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Last Modified: 2016-11-07
Hello Guys,
Does anybody works on networker on CentOS. I need some help starting it. It gives the error :
nsrexecd: Failed to resolve hostname Server1to an internet address. Please verify a mapping for Server1exists in the /etc/hosts file or DNS

Best Regs
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Question by:mos1234
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16 Comments
 
LVL 40

Expert Comment

by:omarfarid
ID: 41807954
From the error message, it is trying to do reverse lookup for IP address to DNS name.

if you are using DNS, then add PTR record to your DNS. Please see:

https://www.centos.org/docs/5/html/Deployment_Guide-en-US/s1-bind-zone.html

If not using dns, then add line to /etc/hosts file for the IP and map to host name.
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Author Comment

by:mos1234
ID: 41822576
Hello,
Why are you giving me bind config link....my DNS server is a Windoze!!!

Best Regs & Thank you
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LVL 40

Expert Comment

by:omarfarid
ID: 41823328
ok, please below link on how to add on windows dns:

https://technet.microsoft.com/en-us/library/cc844045(v=ws.10).aspx
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Author Comment

by:mos1234
ID: 41825634
Thanks for feedback...i guess this is true...but i dont wanna make change on dns server side...is there a way to force NetWorker to reverse lookup locally on the linux box
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LVL 40

Expert Comment

by:omarfarid
ID: 41825647
try to add to local hosts file
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Author Comment

by:mos1234
ID: 41826121
thank you omarfarid...i have tried it several times...does not work....am now with EMC NetWorker Support...i'll keep you updated if we find some solution without modif on DNS Server.
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LVL 40

Expert Comment

by:omarfarid
ID: 41826169
What is the config in /etc/resolv.conf file?
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Author Comment

by:mos1234
ID: 41834329
i will check tokorrow for this and let you know
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LVL 40

Expert Comment

by:omarfarid
ID: 41835042
Also, look at hosts: entry in /etc/nsswitch.conf
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LVL 40

Expert Comment

by:omarfarid
ID: 41855465
@ mos1234,

Is the issue resolved?
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Author Comment

by:mos1234
ID: 41865817
solution was not found here ...am sorry
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LVL 29

Expert Comment

by:serialband
ID: 41866039
Then the question should be deleted.
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Author Comment

by:mos1234
ID: 41869983
Solution was through correcting name resolution problem on thé Linux.
It seems that NetWorker client is very sensitive to name resolution on Clients.
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Accepted Solution

by:
mos1234 earned 0 total points
ID: 41869987
Simply issuing hostname HOSTNAME command resolved the issue...!!!
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Author Closing Comment

by:mos1234
ID: 41876793
That was Support solution
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