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tabanus
l33t
Joined: 11 Jun 2004
Posts: 631
Location: UK
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 Posted: Mon Sep 07, 2020 9:08 pm Post subject: What have I done wrong with my NFS share? [SOLVED] |
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My Gentoo NFS share was working fine, but the clients (running Ubuntu 20.04) started getting permission denied errors sometime in the past couple of weeks.
The exports file has the share exported as rw:-
| Code: | # cat /etc/exports
# /etc/exports: NFS file systems being exported. See exports(5).
/home/bob/Encrypted/Shared 192.168.1.0/24(insecure,rw,sync,no_subtree_check,crossmnt) |
But it looks like it's exported ro?
| Code: | # cat /proc/fs/nfs/exports
# Version 1.1
# Path Client(Flags) # IPs
/home 192.168.1.0/24(ro,insecure,root_squash,sync,no_wdelay,no_subtree_check,v4root,uuid=9552457d:66734ea5:8def6978:4a75dd75,sec=390003:390004:390005:1)
/ 192.168.1.0/24(ro,insecure,root_squash,sync,no_wdelay,no_subtree_check,v4root,fsid=0,uuid=9552457d:66734ea5:8def6978:4a75dd75,sec=390003:390004:390005:1)
/home/bob 192.168.1.0/24(ro,insecure,root_squash,sync,no_wdelay,no_subtree_check,v4root,uuid=9552457d:66734ea5:8def6978:4a75dd75,sec=390003:390004:390005:1) |
I've been fighting with this for days now and can't make it work, and it might have nothing to do with write permissions. What have I done wrong?
_________________
Things you might say if you never took Physics: "I'm overweight even though I don't overeat." - Neil deGrasse Tyson
Last edited by tabanus on Wed Sep 09, 2020 12:19 pm; edited 1 time in total |
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mike155
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Joined: 17 Sep 2010
Posts: 2414
Location: Frankfurt, Germany
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| Posted: Mon Sep 07, 2020 10:07 pm Post subject: |
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I can't tell you what is wrong on your machine.
But I once had an NFS permission issue I couldn't solve. It went away after I explicitly assigned unique fsids to each export in /etc/exports.
| Code: | /export -rw,fsid=100,no_subtree_check,sync 10.0.0.2 10.0.0.3
/export/home -rw,fsid=200,nohide,no_subtree_check,async 10.0.0.2 10.0.0.3
/export/scratch -rw,fsid=500,nohide,no_subtree_check,async 10.0.0.2 10.0.0.3 |
If I look at my /proc/fs/nfs/exports, I see fsids for each volume that is exported. In your output, only "/" has an fsid.
On my machine, 'v4root' is assigned to '/' only. On your machine, it's assigned to all volumes. |
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tabanus
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Joined: 11 Jun 2004
Posts: 631
Location: UK
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| Posted: Wed Sep 09, 2020 12:19 pm Post subject: |
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That's sorted it. Thanks 
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Things you might say if you never took Physics: "I'm overweight even though I don't overeat." - Neil deGrasse Tyson |
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