Re: does your samba work with 4.1.x (centos 7.5)

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On Tue, 2018-11-13 at 07:50 -0500, Diego Remolina wrote:
> > 
> > Thanks for explaining the issue.
> > 
> > I understand that you are experiencing hang while doing some operations on files/directories in
> > a
> > GlusterFS volume share from a Windows client. For simplicity can you attach the output of
> > following
> > command:
> > 
> > # gluster volume info <volume>
> > # testparm -s --section-name global
> 
> gluster v status export
> Status of volume: export
> Gluster process                             TCP Port  RDMA Port  Online  Pid
> ------------------------------------------------------------------------------
> Brick 10.0.1.7:/bricks/hdds/brick           49153     0          Y       2540
> Brick 10.0.1.6:/bricks/hdds/brick           49153     0          Y       2800
> Self-heal Daemon on localhost               N/A       N/A        Y       2912
> Self-heal Daemon on 10.0.1.6                N/A       N/A        Y       3107
> Self-heal Daemon on 10.0.1.5                N/A       N/A        Y       5877
> 
> Task Status of Volume export
> ------------------------------------------------------------------------------
> There are no active volume tasks
> 
> # gluster volume info export
> 
> Volume Name: export
> Type: Replicate
> Volume ID: b4353b3f-6ef6-4813-819a-8e85e5a95cff
> Status: Started
> Snapshot Count: 0
> Number of Bricks: 1 x 2 = 2
> Transport-type: tcp
> Bricks:
> Brick1: 10.0.1.7:/bricks/hdds/brick
> Brick2: 10.0.1.6:/bricks/hdds/brick
> Options Reconfigured:
> diagnostics.brick-log-level: INFO
> diagnostics.client-log-level: INFO
> performance.cache-max-file-size: 256MB
> client.event-threads: 5
> server.event-threads: 5
> cluster.readdir-optimize: on
> cluster.lookup-optimize: on
> performance.io-cache: on
> performance.io-thread-count: 64
> nfs.disable: on
> cluster.server-quorum-type: server
> performance.cache-size: 10GB
> server.allow-insecure: on
> transport.address-family: inet
> performance.cache-samba-metadata: on
> features.cache-invalidation-timeout: 600
> performance.md-cache-timeout: 600
> features.cache-invalidation: on
> performance.cache-invalidation: on
> network.inode-lru-limit: 65536
> performance.cache-min-file-size: 0
> performance.stat-prefetch: on
> cluster.server-quorum-ratio: 51%
> 
> I had sent you the full smb.conf, so no need to run testparm -s
> --section-name global, please reference:
> http://termbin.com/y4j0

Fine.

> > 
> > > This is the test samba share exported using vfs object = glusterfs:
> > > 
> > > [vfsgluster]
> > >    path = /vfsgluster
> > >    browseable = yes
> > >    create mask = 660
> > >    directory mask = 770
> > >    write list = @Staff
> > >    kernel share modes = No
> > >    vfs objects = glusterfs
> > >    glusterfs:loglevel = 7
> > >    glusterfs:logfile = /var/log/samba/glusterfs-vfsgluster.log
> > >    glusterfs:volume = export
> > 
> > Since you have mentioned path as /vfsgluster I hope you are sharing a subdirectory under root of
> > the
> > volume.
> 
> Yes, vfsgluster is a directory at the root of the export volume.

Thanks for the confirmation.

> It is also currently mounted in /export so that the rest of the files can be
> exported via samba with fuse mounts:
> 
> # mount | grep export
> 10.0.1.7:/export on /export type fuse.glusterfs
> (rw,relatime,user_id=0,group_id=0,allow_other,max_read=131072)
> 
> # ls -ld /export/vfsgluster
> drwxrws---. 4 dijuremo Staff 4096 Nov 12 20:24 /export/vfsgluster
> 
> > 
> > > Full smb.conf
> > > http://termbin.com/y4j0
> > 
> > I see the "clustering" parameter set to 'yes'. How many nodes are there in the cluster? Out of
> > those
> > how many are running as samba and/or gluster nodes?
> > 
> 
> There are a total of 3 gluster peers, but only two have bricks. The
> other is just present, but not even configured as an arbiter. Two of
> the nodes with bricks run ctdb and samba.

OK. So basically a two node Samba-CTDB cluster.

> > > /var/log/samba/glusterfs-vfsgluster.log
> > > http://termbin.com/5hdr
> > > 
> > > Please let me know if there is any other information I can provide.
> > 
> > Are there any errors in /var/log/samba/log.<IP/hostname>? IP/hostname = Windows client machine
> > 
> 
> I do not currently have the log file directive enabled in smb.conf, I
> would have to enable it. Do you need me to repeat the process with it?

Yes, preferably after adding the following parameters to [vfsgluster] share section(and of course a
restart):

kernel change notify = no
kernel oplocks = no
posix locking = no

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