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I have 2 OEL5.5(RHEL5.5) servers. I'm trying to figure out why when I run mount command I get different outputs.

Server1 has the following line in /etc/fstab/

10.11.0.61:/vol/exports/      /exports     nfs     _netdev,rw,bg,hard,nointr,tcp,vers=3,timeo=600,actimeo=0,rsize=32768,wsize=32768,async 1 2

Server2 has the following line in /etc/fstab/

10.11.0.61:/vol/exports/      /exports     nfs     _netdev,rw,bg,hard,nointr,tcp,vers=3,timeo=600,actimeo=0,rsize=32768,wsize=32768     1 2

When I run mount on Server1 I see

10.11.0.61:/vol/exports/ on /exports type nfs (rw,bg,addr=10.11.0.61)

When I run mount on Server2 I see

10.11.0.61:/vol/exports/ on /exports type nfs (rw,bg,hard,nointr,tcp,nfsvers=3,timeo=600,actimeo=0,rsize=32768,wsize=32768,addr=10.11.0.61)

Why does Server2 show more parameters? Does it mean it's mounted differently?

share|improve this question
    
Hm. Can you also check with cat /proc/mounts? Sometimes the kernel's idea of mount options differs from the one reported by mount. –  Marius Gedminas Mar 19 '12 at 16:47
    
server1 shows cat /proc/mounts 10.11.0.61:/vol/exports /exports nfs rw,vers=3,rsize=65536,wsize=65536,hard,proto=tcp,timeo=600,retrans=2,sec=sys,add‌​r=10.11.0.61 0 0 server2 shows cat /proc/mounts 10.11.0.61:/vol/exports /exports nfs rw,vers=3,rsize=32768,wsize=32768,acregmin=0,acregmax=0,acdirmin=0,acdirmax=0,ha‌​rd,proto=tcp,timeo=600,retrans=2,sec=sys,addr=10.11.0.61 0 0 –  Mxx Mar 19 '12 at 19:32
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