[Gluster-users] Gluster 3.4.2 on Ubuntu 12.04 LTS Server - Upstart No Go
Brock Nanson
brock at nanson.net
Tue Mar 4 19:09:26 UTC 2014
I thought I would share my experience in case it helps someone else avoid a
bruised forehead.
I'm running the semiosis Gluster 3.4.2 on Ubuntu 12.04 (two nodes,
replicated) as server and client on both. Going through all the typical
configuration work, all seemed good. The problem came when I tried to get
the boxes to start Gluster and mount the volume at boot... without user
intervention. Thinking that the most difficult part of the installation
should be configuring Gluster (newbie to distributed file systems in
general, never used Gluster before), I foolishly wasted a pile of time
trying to fix the *simple* boot problem. Well, I did fix it, but only by
finally disabling the upstart files bundled in the install
(glusterfs-server.conf and mounting-glusterfs.conf).
This was a clean install of Ubuntu 12.04. Actually, two clean installs for
testing. And then another clean install on one box to rule out the
original install! Same behaviour on all installs.
I spent some time experimenting with different fstab entries and found I
could change the mount behaviour, but only to determine *when* the mount
would fail... it always failed!
My solution was to disable the two Gluster upstart conf files with
.override files containing 'manual'. Then a simple script to a) start
glusterfs-server; b) sleep for a few seconds; c) mount the Gluster volume.
The script is called from rc.local.
Hardly an elegant solution I know, but at some point *'works'* beats *'pretty
but non-functional'*.
It's possible there is something quirky with my install that could be
responsible. But given that other than installing and configuring Gluster,
nothing on the servers was tweaked, I'm thinking there is a problem with
the Gluster upstart conf files. Or something in 12.04 has rendered them
inoperable. Or maybe it's as a friend in Poland says... (direct
translation) "it's the Malice of Things..." Truly a better description
than anything we have in English! ;-)
I'm not looking for a solution unless someone has an obvious fix that
Google couldn't locate. I have a quick and dirty work around that works.
I just hope to save someone else the pain.
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