GlusterFS Mount failed. Please check the log file for more details.

You may get the following error when trying to mount a GlusterFS volume locally. The error displayed gives no indication why the volume failed to mount, but it does hint at where you can get more information about the error.

This is the error presented when running the mount command:

Mount failed. Please check the log file for more details.

The log file could be in numerous places, depending on your Linux distribution and Gluster settings, however generally it will be in /var/log/glusterfs.

Take a look at the log file for further information on why the volume cannot be mounted. An example is included below, showing an issue with the fuse kernel module.

vi /var/log/glusterfs/mnt-data-volume.log

[2016-04-12 17:39:58.948364] I [MSGID: 100030] [glusterfsd.c:2332:main] 0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.7.10 (args: /usr/sbin/glusterfs --volfile-server=glustercluster1 --volfile-id=/data-volume /mnt/data-volume)
[2016-04-12 17:39:59.030349] E [mount.c:341:gf_fuse_mount] 0-glusterfs-fuse: cannot open /dev/fuse (No such device)
[2016-04-12 17:39:59.030385] E [MSGID: 101019] [xlator.c:433:xlator_init] 0-fuse: Initialization of volume 'fuse' failed, review your volfile again
[2016-04-12 17:43:29.644266] I [MSGID: 100030] [glusterfsd.c:2332:main] 0-/usr/sbin/glusterfs: Started running /usr/sbin/glusterfs version 3.7.10 (args: /usr/sbin/glusterfs --volfile-server=glustercluster1 --volfile-id=/data-volume /mnt/data-volume)
[2016-04-12 17:43:29.661947] E [mount.c:341:gf_fuse_mount] 0-glusterfs-fuse: cannot open /dev/fuse (No such device)
[2016-04-12 17:43:29.662014] E [MSGID: 101019] [xlator.c:433:xlator_init] 0-fuse: Initialization of volume 'fuse' failed, review your volfile again

Your issue could vary, and as such we can’t cover every eventuality here. At least you now know how to get more details around your specific issue.