SUMMARY: NIS domain question

From: Marc Gibian (gibian%typhoon@stars1.hanscom.af.mil)
Date: Fri Apr 28 1995 - 21:56:02 CDT


Original question:

>> I have a group of machines that have been running in a single NIS
>> domain, foo, from a single NIS master with no slaves. Today we tried
>> to split one machine off into its own domain, setting it up as the NIS
>> master for that domain, the new domain being named test.foo . When the
>> server machine for test.foo is booted, it hangs all the machines in
>> our foo NIS domain, with even the foo NIS master reporting:
>>
>> NIS: server not responsing for domain "foo"; still trying.
>>
>> I have checked my manuals and the faq and can't find anything helpful.
>>
>> Can someone explain what is happening? My guess would be that when the
>> NIS master for test.foo comes up, the master for foo thinks it should
>> be a client of test.foo and stops running as a master, then when it
>> looks for domain foo, it can't actually find a server. But this
>> implies there is an underlying mechanism that causes a new master to
>> be selected other than just the NIS domain name?

Well, I have recieved no replies on this (except for a "me-too"), but
I believe I have the answer. In fact, this one might belong in the
FAQ...

The machines that were moved from the original NIS domain foo into the
test.foo domain had old binding files for the foo domain in the
/var/yp/binding directory. We removed the foo binding files and
rebooted those machines and it appears we have this problem
resolved. In retrospect, it makes a certain amount of sense to remove
bindings of an old domain when moving into a different domain, which
is why this is something I think might qualify for the NIS portion of
the FAQ.

Marc S. Gibian
Telos Consulting Services phone: (617) 377-6350
PRISM/TFS email: gibian@stars1.hanscom.af.mil



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