Hi Tino, Thank you for the quick feedback, I am glad to see you can help us setup this use case.
We will start the opennebula trial soon, if any issues encountered, I will turn to you ;-) Best Regards, YE Lei -----Original Message----- From: Tino Vazquez [mailto:[email protected]] Sent: Friday, February 18, 2011 1:43 AM To: YE LEI Cc: Ignacio M. Llorente; [email protected] Subject: Re: [one-users] Does Opennebula 2.0.1 support disaster recovery? Hi YE Lei, The first issue that I see here is the migration, since it is impossible to migrate a VM from a host that is down. What is possible is the reestablishment of the service in placeB, where the VM images should be previously placed (to avoid transferring them, although this is possible as well), so only the VM state (in the form of snapshots of memory, and deltas of what has changed in the disk images since the VM was up) needs to be transferred. This snapshots should reside in a shared filesystem (to avoid losing access when the host is down), or synced in placeB using DRDB for instance. OpenNebula at place A can detect that the hosts are down and start the reestablishment of the service talking with the OpenNebula at place B. This setup can be achieved with some minor adjustments to the out-of-the-box OpenNebula. For extra protection, the OpenNebula at placeA could be running two instances in different servers, to avoid the fail in the disaster recovery in case the OpenNebula front-end goes down. This is an interesting use case, we will be happy to provide assistance in the setup of this scenario. Best regards, -Tino -- Constantino Vázquez Blanco, MSc OpenNebula Major Contributor / Cloud Researcher www.OpenNebula.org | @tinova79 On Thu, Feb 17, 2011 at 10:22 AM, YE LEI <[email protected]> wrote: > For example, we have a product (in VM) running in the servers on placeA, > and in case disaster happens on placeA, all servers on placeA are > damaged, could opennebula migrate this product to the severs on > placeB(thousands miles away from placeA) which are managed by opennebula > in the cloud? > > Best Regards, > YE Lei > > -----Original Message----- > From: Ignacio M. Llorente [mailto:[email protected]] > Sent: Thursday, February 17, 2011 4:55 PM > To: YE LEI > Cc: [email protected] > Subject: Re: [one-users] Does Opennebula 2.0.1 support disaster > recovery? > > Please, could you elaborate on the use case for this? Which > functionality would you require? > > Thanks > > On Thu, Feb 17, 2011 at 7:58 AM, YE LEI <[email protected]> > wrote: >> Hello, >> >> As mentioned in the mail title, does Opennebula 2.0.1 support disaster >> recovery cross-regional? >> >> Best Regards, >> >> YE Lei >> >> _______________________________________________ >> Users mailing list >> [email protected] >> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org >> >> > > > > -- > Ignacio M. Llorente, PhD, MBA > Project co-Lead and Director > OpenNebula - The Open Source Toolkit for Cloud Computing > www.OpenNebula.org | [email protected] > _______________________________________________ > Users mailing list > [email protected] > http://lists.opennebula.org/listinfo.cgi/users-opennebula.org >
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