[Gluster-users] glusterfs ctdb issues

Daniel Filipazzi daniel.filipazzi at med.lu.se
Thu Mar 10 13:47:09 UTC 2016

Ive installed glusterfs successfully and set up the ctdb module to work with it.
When creating a new glusterfs volume glusterfs writes to smb.conf to create a share automatically, the share does not work "Unable to mount location".
I successfully created a share pointing to the gluster mount point see below, but i cant get the HA feature to work.

This works!
comment = Clustered Samba
public = yes
path = /share/
writeable = yes
ea support = yes

And this does not.

comment = share
vfs objects = glusterfs
glusterfs:volume = share
glusterfs:logfile = /var/log/samba/glusterfs-share.%M.log
glusterfs:loglevel = 7
path = /
read only = no
guest ok = yes

I used 3 nodes with a replicated glusterfs share to test this.
So i have 2 issues i need solved.
1. the config that glusterfs writes to smb.conf doesnt work why?
2. when one of the nodes shutsdown while a client writes to a ctdb share it stops completely and the client cant write to the share anymore. How do i get around this?
The other nodes should take over so the client can be able to write to the share when a node goes down.

The ctdb config:

public_addresses: eth1


Overall im having a hard time to make ctdb work properly, i would appreciate other peoples insight and thoughts around ctdb. To me it doesnt realy feel like a stable product.
Would you advice me to use ctdb in an environment that's in production?

Best regards


Daniel Filipazzi
Division of Oncology
Department of Clinical Sciences, Lund
Lund University Cancer Center/Medicon Village
Building 404:B3 Scheelevägen 2
SE-223 81 Lund

Email: Daniel.filipazzi at med.lu.se
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