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Old 06-19-2017, 10:28 AM   #1
muzaffar_muzu
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Registered: May 2011
Posts: 17

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NFS mounting issue


Hi,

I am having NFS server on my RHEL 5.4 and i want to mount it on my other client, for RHEL client its mounting but for Fedora client its not mounting, please help me to resolve this.

Below is my server config
Code:
[root@mindnic-05 ~]# exportfs
/x/eng/testbeds
                <world>
/usr/software   <world>
/home/u         <world>
[root@mindnic-05 ~]#
I am trying to mount on my Fedora linux, the mount command will get stuck

Code:
[root@mindlanf-7 ~]# cat /etc/fstab

#
# /etc/fstab
# Created by anaconda on Tue Jun  9 08:47:59 2015
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
UUID=ee87c9a8-a1a3-48cd-bb7e-d960e0714b0c /                       ext4    defaults        1 1
UUID=f3a6a244-d4dc-461a-9389-0ecdc6ac6033 /boot                   ext4    defaults        1 2
UUID=2e34523f-6c2b-4a49-a5a1-0b7486bc0340 /home                   ext4    defaults        1 2
UUID=de771f96-f29c-4e18-97aa-c490453722e1 swap                    swap    defaults        0 0
debugfs                 /debug                  debugfs defaults,noatime 0 0
10.250.104.50:/home/u   /home/u         nfs     defaults        0 0
10.250.104.50:/usr/software/       /usr/software                   nfs     defaults        0 0

[root@mindlanf-7 ~]# cd /usr/software/
[root@mindlanf-7 software]# ls
bin  test
[root@mindlanf-7 software]# cd
[root@mindlanf-7 ~]# mount -a
Its hung there itself, its not coming out unless we press ctrl + c

Please help me resolve this issue, its really hampering my work.

Thanks,
Muzaffar
 
Old 06-20-2017, 11:56 AM   #2
Demosa
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Registered: Feb 2013
Distribution: Fedora 25, RHEL7, RHCI stack
Posts: 38

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Lets split this into two parts

First is the mounting of the nfs share, second is the fstab file

If you run "mount 10.250.104.50:/home/u /home/u", what is the result you get from that?
 
Old 06-22-2017, 04:46 AM   #3
muzaffar_muzu
LQ Newbie
 
Registered: May 2011
Posts: 17

Original Poster
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Its the same we are facing the same issue even with this as well. its hung at below point

Code:
[root@mindlanf-7 ~]# mount -t nfs 10.250.104.50:/home/u /home/u
 
Old 06-22-2017, 02:03 PM   #4
NdFeB
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Registered: Jun 2017
Posts: 7

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An NFS mount never ending can be due to a non-existent server, or a general network problem. Without more information, it is hard to tell where does it come from. Can you ping the server ?

Try to launch the same command with --verbose option.

Try dumping some traffic with tcpdump maybe, from the client, then from the server ? With option -w <outfile>, you can write the output to a pcap file for easier analysis with Wireshark (if your machines have cli only).

Maybe check your server's iptables to be sure that you allow traffic to your whole network ? Check the default nfs version used by the server, then by the client ?
 
Old 06-23-2017, 01:31 AM   #5
Jjanel
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Registered: Jun 2016
Distribution: any&all, in VBox; Ol'UnixCLI; NO GUI resources
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Welcome to LQ & thanks for contributing the good ideas above, NdFeB!

There's also: showmount -e 10.250.104.50 ; rpcinfo -p 10.250.104.50
(on the client, to see what server 10.250.104.50 is 'offering')
And a mention of SELinux here (tho older F18).

My favorite tool is: strace -f [-o FILE] <command>
(to see what it's doing)

Last edited by Jjanel; 06-23-2017 at 02:08 AM.
 
Old 06-26-2017, 10:06 AM   #6
voleg
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Registered: Oct 2013
Distribution: RedHat CentOS Fedora SuSE
Posts: 354

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Try -o nolock option. If it works, then nfslock service not run on server or client part.
 
  


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