Re: Gluster mount problem

[Mitja Mihelič <mitja.mihelic@xxxxxxxx>]

As I continued with Gluster I ran into another problem.
I created file /etc/glusterfs/datastore.vol (attached) on the client. Then I tried to mount it from the commandline.
When trying to mount it, I get an error:
[root@CLIENT-1 glusterfs]# env -i LC_NUMERIC="en_US.UTF-8" mount -t glusterfs /etc/glusterfs/datastore.vol /mnt/test
ERROR: Server name/volume name unspecified cannot proceed further..
Please specify correct format
Usage:
man 8 /sbin/mount.glusterfs

I followed this guide at first, but I got the same result from others.
http://www.jamescoyle.net/how-to/439-mount-a-glusterfs-volume

What am I missing?

Regards, Mitja

--
Mitja Mihelič
ARNES, Tehnološki park 18, p.p. 7, SI-1001 Ljubljana, Slovenia
tel: +386 1 479 8877, fax: +386 1 479 88 78

On 10. 12. 2014 17:55, Mitja Mihelič wrote:

Per your suggestion I tired this:
env -i LC_NUMERIC="en_US.UTF-8" mount -t glusterfs -o transport=tcp GLUSTER-1.NAME.SI://wp-vol-1 /mnt/volume-1

And it works.

Mounting of volumes via fstab works also.

Regards, Mitja

--
Mitja Mihelič
ARNES, Tehnološki park 18, p.p. 7, SI-1001 Ljubljana, Slovenia
tel: +386 1 479 8877, fax: +386 1 479 88 78

On 10. 12. 2014 17:17, Jan-Hendrik Zab wrote:

On 10/12/14 16:57 +0100, Mitja Mihelič wrote:

Hi!

I am having trouble mounting a Gluster volume. After issuing the mount
command nothing happens. It is the same for CentOS6 and CentOS7 clients.
Both are updated to the latest package versions. I am using the official
Gluster repository in both clients:
http://download.gluster.org/pub/gluster/glusterfs/LATEST/CentOS/glusterfs-epel.repo
CentOS6 packages installed:
glusterfs-3.6.1-1.el6.x86_64
glusterfs-api-3.6.1-1.el6.x86_64
glusterfs-fuse-3.6.1-1.el6.x86_64
glusterfs-libs-3.6.1-1.el6.x86_64

CentOS7 packages installed:
glusterfs-3.6.1-1.el7.x86_64
glusterfs-api-3.6.1-1.el7.x86_64
glusterfs-fuse-3.6.1-1.el7.x86_64
glusterfs-libs-3.6.1-1.el7.x86_64

I monitored traffic on the Gluster node and on the client node and there was
no communication between them. Telnet to the Cluster node works fine. Both
machines are in the same network and their firewalls and SELinux are turned
off.

I looked into it with strace, and here are the results.
For CentOS6: http://pastebin.com/vcqTh2Hi
For CentOS7: http://pastebin.com/s7MuTbXb

Hey,
please set your LC_NUMERIC locale to en_US.UTF-8 and try again. You
might be hitting a known bug.

	-jhz

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[root@CLIENT-1 glusterfs]# cat datastore.vol 
volume remote1
  type protocol/client
  option transport-type tcp
  option remote-host GLUSTER-1
  option remote-subvolume /gluster/gvol0/brick0
end-volume

volume remote2
  type protocol/client
  option transport-type tcp
  option remote-host GLUSTER-2
  option remote-subvolume /gluster/gvol0/brick0
end-volume

volume remote3
  type protocol/client
  option transport-type tcp
  option remote-host GLUSTER-3
  option remote-subvolume /gluster/gvol0/brick0
end-volume

volume replicate
  type cluster/replicate
  subvolumes remote1 remote2 remote3
end-volume

volume writebehind
  type performance/write-behind
  option window-size 1MB
  subvolumes replicate
end-volume

volume cache
  type performance/io-cache
  option cache-size 512MB
  subvolumes writebehind
end-volume

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