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Old 06-12-2017, 03:21 PM   #1
Vilius
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Registered: Jan 2006
Location: Lithuania
Distribution: Debian, CentOS, SLES
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NFS mp option ?


Hello,

SLES 11 Sp4.

I want nfs not to export empty mount points automatically, I want it to do exportfs after data filesystems are mounted (mounting data filesystems on my box is done manually).
So I found this option mp:
Code:
# man exports
       mountpoint=path

       mp     This option makes it possible to only export a directory if it has successfully been mounted.  If no path is given (e.g.  mountpoint  or  mp)  then
              the  export  point  must  also be a mount point.  If it isn't then the export point is not exported.  This allows you to be sure that the directory
              underneath a mountpoint will never be exported by accident if, for example, the filesystem failed to mount due to a disc error.
I tried to use it:
Quote:
# cat /etc/exports
/data1 host1(mp=/data1,rw,no_root_squash,sync,no_subtree_check)
After reboot /data1 is not mounted so I expect nfs not to export it, but nfs exports it anyway:
Code:
# exportfs
/data1
                host1.domain.com
"export -ua" works fine - unexports everything.
I tried using nfsv3 nfsv4 - same result.

Any ideas where is the problem ?

Thanks,
Vilius M.
 
Old 06-15-2017, 02:45 PM   #2
nini09
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If no 'no_subtree_check' option, does it work fine?
 
Old 06-16-2017, 06:29 AM   #3
Vilius
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Distribution: Debian, CentOS, SLES
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No, same result.
 
Old 06-19-2017, 02:42 PM   #4
nini09
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What's output of 'showmount -e'?
 
  


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