From: Jason delaFuente (jason.delafuente@GBE.COM)
Date: Thu Mar 18 2004 - 13:02:00 EST
Not sure how much this will help you but I can tell you that we have had a lot of NFS issues when using hosts that have DNS aliases (CNAME). I first ran across the problem when performing alt disk migrations. Whenever the client would try to NFS mount over to the NIM server it would fail. I ended up having to manual add entries to host file on the nim server and the machine I was upgrading. After a long conversation with IBM it was either get rid of our aliases (which is not an option) or add the entries to the host file.
We are not using NIS.
Jason de la Fuente
>>> Sue.Pellerito@JACKINTHEBOX.COM 03/18/04 10:47AM >>>
Shouldn't need to have it in hosts file if using DNS/NIS. Are you sure the
nfs client is running on these systems? Sounds to me like a problem with
DNS.
cbaker@GOODYEAR.C
OM To: aix-l@Princeton.EDU
Sent by: IBM AIX cc:
Discussion List Subject: DNS and export
<aix-l@Princeton.
EDU>
03/18/2004 08:06
AM
Please respond to
IBM AIX
Discussion List
There is a RS/6000 at one of our subsidiaries. On that RS/6000 is a
filesystem that they are exporting to 'everyone'. I can mount it
on some of my boxes but not many. Logging in on that remote system, I see
that only 3 or 4 of my systems are in the local /etc/hosts
file. Those are the only systems here that can mount that filesystem from
the remote server.
The RS/6000 is running AIX 5.1. It is an NIS Master Server. It is running
DNS
That is where my question comes. If I log in on that remote server from a
RS6k here that can NOT mount and do a "who", I see me
logged in and it shows my IP address rather than my hostname. But if I do
a ping of the box I am coming in from, it can resolve it
and pings that box at the IP address. If I do an 'nslookup' of the
hostname of the box I came in on, it finds it.
So, it appears that nfs export only works if the box is in the NIS host
file and does not go to DNS? But ping finds it in DNS and
proceeds as does other functions? Also, it appears that exporting to
everyone only works if the IP address of the requesting client
can be resolved?
What is wrong here.
Here is what is in the '/etc/netsvc.conf':
host = local,nis,bind
The '/etc/resolv.conf' has their nameservers followed by their domain.
After that is a 'search' line with their domainname. After
that is another 'search' line with my domainname. Should that be on one
line?
Any help would be great.
Thanks,
Christopher M. Baker
Senior Technical Support Analyst
DSE/TCO
Goodyear Tire and Rubber Company
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