[CentOS] NFS: hostname vs IP address

Steve Thompson

smt at vgersoft.com
Mon Nov 28 21:45:32 UTC 2011


CentOS 5.7 x86_64. Lots of hosts NFS mounting a file system. All are 
configured identically (same LDAP servers, same DNS, same autofs config, 
same patches, etc). On some of them I see an NFS mount displaying a host 
name:

% df -P | grep smt
<hostname>:/mnt/foo 1651345888 264620688 1386725200  17% /fs/home/smt

and on some just the IP address:

% df -P | grep smt
aa.bb.cc.dd:/mnt/foo 1651345888 264620688 1386725200  17% /fs/home/smt

I cannot see any difference between the configuration of these two 
clients. Everything works. Anyone have a clue as to the source of this 
difference?

-steve



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