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loopx
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Joined: 01 Apr 2005
Posts: 2787
Location: Belgium / Liège
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 Posted: Wed Dec 21, 2011 10:37 pm Post subject: [SOLVED] NFS conflict between 2 exports ? |
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Hi,
I quickly post here since I got an issue with NFS and I really don't know how I can fix it in a "good way" ...
Here is a configuration ... :
| Code: |
/volume1/public 10.2.1.0/26(ro,async,no_wdelay,root_squash,insecure_locks,anonuid=1025,anongid=100)
/volume1/public/autre 10.2.1.0/26(ro,async,no_wdelay,nohide,root_squash,insecure_locks,anonuid=1025,anongid=100)
/volume1/public/music 10.2.1.0/26(ro,async,no_wdelay,nohide,root_squash,insecure_locks,anonuid=1025,anongid=100)
/volume1/public/video 10.2.1.0/26(ro,async,no_wdelay,nohide,root_squash,insecure_locks,anonuid=1025,anongid=100)
/volume1/private_loopx 10.2.1.6(rw,async,no_wdelay,root_squash,insecure_locks,anonuid=1025,anongid=100)
/volume1/private_loopx/loopx 10.2.1.6(rw,async,no_wdelay,nohide,no_root_squash,insecure_locks,anonuid=1025,anongid=100)
/volume1/private_loopx/autre 10.2.1.6(rw,async,no_wdelay,nohide,no_root_squash,insecure_locks,anonuid=1025,anongid=100)
/volume1/private_loopx/music 10.2.1.6(rw,async,no_wdelay,nohide,no_root_squash,insecure_locks,anonuid=1025,anongid=100)
/volume1/private_loopx/video 10.2.1.6(rw,async,no_wdelay,nohide,no_root_squash,insecure_locks,anonuid=1025,anongid=100)
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I'm trying to make two entry to NFS shares ... :
- public (will be RO)
- private_loopx (will be RW)
With this configuration, PUBLIC is working fine but PRIVATE has no write access to "autre", "music" and "video" ...
Ok, little work around for "video" .. commented out the "video" line for PUBLIC :
| Code: |
#/volume1/public/video 10.2.1.0/26(ro,async,no_wdelay,nohide,root_squash,insecure_locks,anonuid=1025,anongid=100)
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... restart nfsd and mount it again : it works fine for PRIVATE (is now rw) but ... when using the PUBLIC entry ... I only see an empty "video" folder ... (which is RO because it's the parent => 'public/' which is RO).
I think my problem is related to "mount --bind" ... Check these mounts :
| Code: |
#PUBLIC
/volume1/autre 5.4T 1.3T 4.0T 25% /volume1/public/autre
/volume1/music 5.4T 1.3T 4.0T 25% /volume1/public/music
/volume1/video 5.4T 1.3T 4.0T 25% /volume1/public/video
#PRIVATE
/volume1/loopx 5.4T 1.3T 4.0T 25% /volume1/private_loopx/loopx
/volume1/autre 5.4T 1.3T 4.0T 25% /volume1/private_loopx/autre
/volume1/music 5.4T 1.3T 4.0T 25% /volume1/private_loopx/music
/volume1/video 5.4T 1.3T 4.0T 25% /volume1/private_loopx/video
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.. so, the folder "video" is mounted twice with --bind option ... and may be that's why there is a conflict between RO and RW of two differents export ???
Can anybody confirm me that ???
Thanks
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Mon MediaWiki perso : http://pix-mania.dyndns.org
Last edited by loopx on Wed Dec 21, 2011 11:22 pm; edited 1 time in total |
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loopx
Advocate
Joined: 01 Apr 2005
Posts: 2787
Location: Belgium / Liège
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| Posted: Wed Dec 21, 2011 11:22 pm Post subject: |
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Ok, got it ... should use "fsid=.." for sub-folder in the exports .. like this :
| Code: |
/volume1/public 10.2.1.0/26(ro,async,no_wdelay,root_squash,insecure_locks,anonuid=1025,anongid=100)
/volume1/public/autre 10.2.1.0/26(ro,async,no_wdelay,nohide,root_squash,insecure_locks,anonuid=1025,anongid=100,fsid=10)
/volume1/public/music 10.2.1.0/26(ro,async,no_wdelay,nohide,root_squash,insecure_locks,anonuid=1025,anongid=100,fsid=11)
/volume1/public/video 10.2.1.0/26(ro,async,no_wdelay,nohide,root_squash,insecure_locks,anonuid=1025,anongid=100,fsid=12)
/volume1/private_loopx 10.2.1.6(ro,async,no_wdelay,root_squash,insecure_locks,anonuid=1025,anongid=100)
/volume1/private_loopx/autre 10.2.1.6(rw,async,no_wdelay,nohide,no_root_squash,insecure_locks,anonuid=1025,anongid=100,fsid=20)
/volume1/private_loopx/music 10.2.1.6(rw,async,no_wdelay,nohide,no_root_squash,insecure_locks,anonuid=1025,anongid=100,fsid=21)
/volume1/private_loopx/video 10.2.1.6(rw,async,no_wdelay,nohide,no_root_squash,insecure_locks,anonuid=1025,anongid=100,fsid=22)
/volume1/private_loopx/loopx 10.2.1.6(rw,async,no_wdelay,nohide,no_root_squash,insecure_locks,anonuid=1025,anongid=100,fsid=23)
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Now it works as expected 
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