Hello Bart, Regarding the manual migration, I've done some in the past and you can: - shutdown VM - create an image template with the source pointing to your raw image (it will create a symlink) - create a template with your specs and image template - instantiate new VM with created template
or if you have already test VM created and running with proper specs: - shutdown VM - just go to datastore/0/imageid, delete disk.0 (if its a test disk) and make a symlink with the path to your image named disk.0 Now it's just a matter of your existing VMs homogeneity/heterogeneity, if they are all alike just go to the 2nd option, or combine the both. -- André Monteiro On Thu, Aug 23, 2012 at 10:33 AM, Bart <b...@pleh.info> wrote: > Hi, > > I'm new to OpenNebula and have read some of the documentation and even got > the book (b.t.w. a great book!), as such I'm in the process of setting up > an initial setup to see how all the pieces fit together. > > For the initial setup I have 4 servers, all identical, and the setup that > I'm going for is a growth model as shown below: > > - The first server will be the OpenNebula management server. > - The second and third server will both function as a distributed > filesystem using MooseFS, the idea is to get a redundant server setup for > storage + have the ability to easily grow the storage side. > - The fourth server will become a KVM node in it's own cluser. In > addition to this one node we currently have three other stand-alone KVM > servers which will eventually be integrated into this setup (so in the end > I'll have four KVM nodes, all in one cluster). > > I'm pretty confident that this setup will work, but if you have some ideas > on an even better setup then I'm all up for the info :) > > As mentioned, we currently have three running stand-alone KVM nodes. They > are currently running about 20 VM's in total and I'll have to migrate these > VM's towards the OpenNebula setup since OpenNebula doesn't detect the > currently running VM's. > I've read somewhere on these lists that you'd have to import the current > disk image (they are all in raw file format) and try to duplicate the > template from where you'll be able to startup a VM with that image. . . (it > was a short answer...) > > My question is, are there example tutorials on how to do these migrations? > Or tricks/scripts that can help with the migration? > > Currently this is the biggest question that I have, if I can do a > migration in a proper way (I don't mind if I have to do it manually, as > long as it works) then I can start to make plans for a production > environment along with a migration plan where I'll move VM's from one > server to OpenNebula and then reinstall the stand-alone KVM node to become > part of the OpenNebula cluster. > > Any input would be great, so thanks in advance. > > -- > Bart > > _______________________________________________ > Users mailing list > Users@lists.opennebula.org > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org > >
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