[one-users] What kinds of shared storage are you using?

Ignacio M. Llorente llorente at dacya.ucm.es
Fri Sep 3 05:54:06 PDT 2010

Dear Szekelyi,

You could consider to contribute the new driver to our ecosystem
and/or write a post in our blog describing your customization.


On Fri, Sep 3, 2010 at 1:07 AM, Andreas Ntaflos <daff at pseudoterminal.org> wrote:
> 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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Ignacio M. Llorente, Full Professor (Catedratico):
DSA Research Group:  web http://dsa-research.org and blog
OpenNebula Open Source Toolkit for Cloud Computing: http://www.OpenNebula.org

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