----- Original Message ----- >From: "Ian Latter" <ian.latter@xxxxxxxxxxxxxxxx> >To: "Vijay Bellur" <vijay@xxxxxxxxxxx> >Subject: Re: Stateless Gluster 3.x series >Date: Fri, 13 Apr 2012 23:04:59 +1000 > > > > > > ----- Original Message ----- > >From: "Vijay Bellur" <vijay@xxxxxxxxxxx> > >To: "Ian Latter" <ian.latter@xxxxxxxxxxxxxxxx> > >Subject: Re: Stateless Gluster 3.x series > >Date: Fri, 13 Apr 2012 18:27:38 +0530 > > > > On 04/13/2012 02:26 PM, Ian Latter wrote: > > > Hello, > > > > > > > > > Until yesterday all of my experiments with Gluster have > > > been with a vi'd vol file and the Glusterfsd process. > > > Michael and I have now done testing with glusterd under > > > Gluster version 3.2.6 and this has raised some issues. > > > The one I'd like to query in this thread is stateless > > > environments. > > > > > > If I have a PXE distribution that boots, tftp's a config > > > file, mounts storage devices and then initialises gluster > > > then; > > > > > > Previously - I wrote out the appropriate vol file and > > > started the necessary daemons. > > > > > > Now - I start the necessary daemon and issue a set > > > of commands to build the appropriate configuration. > > > > > > .. however, this results in a new gluster UUID each > > > time the node restarts. > > > > > > So; > > > > > > 1) Is there a gluster command to configure gluster > > > with a specific UUID? > > > > > > -or- > > > > > > 2) Is there a means to provide gluster with UUID > > > data outside of the gluster commands > > > > > > > > > > You could populate glusterd.info in the working directory > (/etc/glusterd > > or /var/lib/glusterd) with the desired UUID and start > glusterd. glusterd > > uses this UUID as part of its initialization process. If > the file (or > > UUID) is not available, then it re-generates a new UUID. > > > > --Vijay > > > > > Thanks Vijay, > > I thought we'd try this, but I will re-test in case we > missed it. > > Cheers, > Thanks Vijay, Clearly my mistake, as this works. I think I have confused this with my volume testing (we were unable to find a minimal set of files to populate per volume in order to get it to start from static config info only), and I recall a uuid in there also. I have run out of time to do more integration testing; I will come back with further queries when I get another chance. Cheers, -- Ian Latter Late night coder .. http://midnightcode.org/
