[Gluster-users] Permission denied closing file when accessing GlusterFS via NFS

Strahil Nikolov hunter86_bg at yahoo.com
Tue Aug 10 15:46:27 UTC 2021

Hey David,
can you give the volume info ?
Also, I assume SELINUX is in permissive/disabled state.
What about the uod of the user on the nfs client and the nfs server ? Is it the same ?
Best Regards,Strahil Nikolov
  On Tue, Aug 10, 2021 at 5:52, David Cunningham<dcunningham at voisonics.com> wrote:   Hello,
We have a GlusterFS node which also uses the FUSE client to mount the filesystem. The same GlusterFS node server also runs an NFS server which exports the FUSE client mount, and another machine NFS mounts it.
When the NFS client writes data to the mounted filesystem we are seeing "Permission denied" errors like this:
cp: closing `/var/lib/gfs/company/david/1075/Copyrec/1628448189883606-203-17184805327-out-08-08-21-14~43~10-203.mp3': Permission denied

The file mentioned in the error is actually created on the GlusterFS filesystem, but has zero size, so the problem is not a normal Linux filesystem permission one.
In the brick log nodirectwritedata-gluster-gvol0.log on the GlusterFS node we see an error as follows. Would anyone have a suggestion on what the problem might be? Thank you in advance!

[2021-08-10 02:30:20.359159] I [MSGID: 139001] [posix-acl.c:262:posix_acl_log_permit_denied] 0-gvol0-access-control: client: CTX_ID:8f69363a-f0f4-44e1-84e9-69dfa77a8164-GRAPH_ID:0-PID:2657-HOST:gfs1.company.com-PC_NAME:gvol0-client-0-RECON_NO:-0, gfid: f70b1cd6-745a-4ea6-b0a5-1fcfef960f15, req(uid:106,gid:111,perm:2,ngrps:0), ctx(uid:106,gid:111,in-groups:1,perm:000,updated-fop:SETATTR, acl:-) [Permission denied]
[2021-08-10 02:30:20.359187] E [MSGID: 115070] [server-rpc-fops_v2.c:1502:server4_open_cbk] 0-gvol0-server: 5554927: OPEN /company/david/1075/Copyrec/1628448189883606-203-17184805327-out-08-08-21-14~43~10-203.mp3 (f70b1cd6-745a-4ea6-b0a5-1fcfef960f15), client: CTX_ID:8f69363a-f0f4-44e1-84e9-69dfa77a8164-GRAPH_ID:0-PID:2657-HOST:gfs1.company.com-PC_NAME:gvol0-client-0-RECON_NO:-0, error-xlator: gvol0-access-control [Permission denied]

David Cunningham, Voisonics Limited
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