[one-users] What kinds of shared storage are you using?
szekelyi at niif.hu
Fri Sep 3 06:13:55 PDT 2010
On Friday 03 September 2010 14.54.06 Ignacio M. Llorente wrote:
> You could consider to contribute the new driver to our ecosystem
> and/or write a post in our blog describing your customization.
Our development is sponsored by the state, thus everything we develop will be
open sourced, and so, it'd be an honour to contribute this to the OpenNebula
This is an ongoing development, and the TM driver is just a small part of it.
On the other hand, in our environment it has been quite stable for a couple of
weeks now, so I think it's time to do an alpha release.
I'll use the weekend to gather all its dependencies, wrap it up and write some
docs about it. Expect a release in the beginning of next week.
Thank you for your interest.
> On Fri, Sep 3, 2010 at 1:07 AM, Andreas Ntaflos <daff at pseudoterminal.org>
> > On Friday 03 September 2010 00:28:23 Székelyi Szabolcs wrote:
> >> We're using iSCSI targets directly (one target per vm), automatically
> >> created and initialized (cloned) from images on vm deploy. Althogh
> >> the target is based on IET behind gigabit links, it works quite
> >> well: we haven't done performance benchmarks (yet), but the
> >> installation time of virtual machines is kinda same than on real
> >> hardware.
> > That sounds interesting and very similar to what we hope to achieve
> > using OpenNebula and a central storage server (as I've posted a few
> > hours ago, not realising this thread here is very similar in nature).
> >> We developed a custom TM driver for this, because this approach makes
> >> live migration trickier, since just before live migration the target
> >> host needs to log in to the iSCSI target hosting the disks of the
> >> vm, and this is something ONE can't do, so we used libvirt hooks to
> >> do this -- works like a charm. Libvirt hooks are also good for
> >> reattaching virtual machines to their virtual networks on live
> >> migration -- again something ONE doesn't do.
> > Would you care to go into a little detail regarding your custom TM
> > driver? Maybe even post the sources? I'd be very interested in learning
> > more about your approach to this.
> > Thanks!
> > Andreas
> > --
> > Andreas Ntaflos
> > GPG Fingerprint: 6234 2E8E 5C81 C6CB E5EC 7E65 397C E2A8 090C A9B4
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