Hi Shankhadeep, I think the community wiki site is the best place to upload these drivers to: http://wiki.opennebula.org/
It's open to registration let me know if you run into any issues. About the blog post, our community manager will send you your login info in a PM. Thanks! Cheers, Jaime On Mon, May 7, 2012 at 7:42 PM, Shankhadeep Shome <shank15...@gmail.com>wrote: > Sure, where and how do I do it? I noticed that you have a community wiki > site. Do i upload the driver and make an entry there? > > Shankhadeep > > > On Mon, May 7, 2012 at 11:54 AM, Jaime Melis <jme...@opennebula.org>wrote: > >> Hello Shankhadeep, >> >> that sounds really nice. Would you be interested in contributing your >> code to OpenNebula's ecosystem and/or publishing an entry in opennebula's >> blog? >> >> Regards, >> Jaime >> >> >> On Sun, May 6, 2012 at 5:39 AM, Shankhadeep Shome >> <shank15...@gmail.com>wrote: >> >>> >>> >>> On Sat, May 5, 2012 at 11:38 PM, Shankhadeep Shome <shank15...@gmail.com >>> > wrote: >>> >>>> Hi Chris >>>> >>>> We have a solution we are using on Oracle Exalogic hardware (we are >>>> using the bare metal boxes and gateway switches). I think I understand the >>>> requirement, IB accessible storage from VMs is possible however its a bit >>>> convoluted. Our solution was to create a one-to-one NAT from the VMs to the >>>> IB IPoIB network. This allows the VMs to mount storage natively over the IB >>>> network. The performance is pretty good, about 9Gbps per node with 64k MTU >>>> sizes. We created an open nebula driver for this and I'm happy to share it >>>> with the community. The driver handles VM migrations by enabling/diabling >>>> ip aliases on the host and can also be used to manipulate iptable rules on >>>> source and destination when open nebula moves VMs around. >>>> >>>> Shankhadeep >>>> >>>> >>>> On Sat, May 5, 2012 at 5:42 PM, Chris Barry <cba...@rjmetrics.com>wrote: >>>> >>>>> Reading more, I see that the available methods for block store are >>>>> iSCSI, and that the LUNS are attached to the host. From there, a symlink >>>>> tree exposes the target to the guest in a predictable way on every host. >>>>> >>>>> So then to modify my question a bit, are all LUNs attached to all >>>>> hosts simultaneously? Or does the attachment only happen when a migration >>>>> is to occur? Also, is the LUN put into a read-only mode or something >>>>> during >>>>> migration on the original host to protect the data? Or, must a clustering >>>>> filesystem be employed? >>>>> >>>>> Guess I have a lot to read :) >>>>> >>>>> Thanks >>>>> -C >>>>> >>>>> >>>>> On Sat, May 5, 2012 at 5:23 PM, Chris Barry <cba...@rjmetrics.com>wrote: >>>>> >>>>>> Hi Gubda, >>>>>> >>>>>> Thank you for replying. My goal was to use a single shared iso image >>>>>> to boot from, and use an in-memory minimal linux on each node that had no >>>>>> 'disk' at all, then to mount logical data volume(s) from a centralized >>>>>> storage system. Perhaps that is outside the scope of opennebula's design >>>>>> goals, and may not be possible - I'm just now investigating it. >>>>>> >>>>>> I see you are using NFS, but my desire is to use block storage >>>>>> instead, ideally LVM, and not incur the performance penalties of IPoIB. >>>>>> It >>>>>> does sound simple though, and that's always good. Do you have any >>>>>> performance data on that setup in terms of IOPs and/or MB/s write speeds? >>>>>> It does sound interesting. >>>>>> >>>>>> Thanks again, >>>>>> -C >>>>>> >>>>>> >>>>>> On Sat, May 5, 2012 at 4:01 PM, Guba Sándor <gubasa...@gmail.com>wrote: >>>>>> >>>>>>> Hi >>>>>>> >>>>>>> I'm using InfiniBand to make shared storage. My setup is simple: the >>>>>>> opennebula installdir is shared on NFS with the worker nodes. >>>>>>> >>>>>>> - I don't understand what you mean on shared image. There will be a >>>>>>> copy (or symlink if the image is persistent) on the NFS host and that is >>>>>>> that the hypervisor will use over the network. Live migrate is available >>>>>>> beacuse you don't move the image only another host will use it from the >>>>>>> same spot. With my linux images I have about 30s delay when livemigrate. >>>>>>> You can use qcow2 driver for shared image. >>>>>>> >>>>>>> - I don't understant exactly what you mean on "guest unaware". If >>>>>>> you mean storage - host connection it has nothing to do with nebula. You >>>>>>> can use any shared filesystem. NFS uses IPoIB connection. >>>>>>> >>>>>>> 2012-05-05 19:01 keltezéssel, Chris Barry írta: >>>>>>> >>>>>>> Greetings, >>>>>>> >>>>>>> I'm interested in hearing user accounts about using infiniband as >>>>>>> the storage interconnect with OpenNebula if anyone has any thoughts to >>>>>>> share. Specifically about: >>>>>>> * using a shared image and live migrating it (e.g. no copying of >>>>>>> images). >>>>>>> * is the guest unaware of the infiniband or is it running IB drivers? >>>>>>> * does the host expose the volumes to the guest, or does the guest >>>>>>> connect directly? >>>>>>> * I'd like to avoid iSCSI over IPoIB if possible. >>>>>>> * clustering filesystem/LVM requirements. >>>>>>> * file-based vdisk or logical volume usage? >>>>>>> >>>>>>> Anything, an experiences at all will be helpful. >>>>>>> >>>>>>> Thanks >>>>>>> Christopher >>>>>>> >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Users mailing >>>>>>> listUsers@lists.opennebula.orghttp://lists.opennebula.org/listinfo.cgi/users-opennebula.org >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> _______________________________________________ >>>>>>> Users mailing list >>>>>>> Users@lists.opennebula.org >>>>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org >>>>>>> >>>>>>> >>>>>> >>>>> >>>>> _______________________________________________ >>>>> Users mailing list >>>>> Users@lists.opennebula.org >>>>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org >>>>> >>>>> >>>> >>> >>> _______________________________________________ >>> Users mailing list >>> Users@lists.opennebula.org >>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org >>> >>> >> >> >> -- >> Jaime Melis >> Project Engineer >> OpenNebula - The Open Source Toolkit for Cloud Computing >> www.OpenNebula.org | jme...@opennebula.org >> > > -- Jaime Melis Project Engineer OpenNebula - The Open Source Toolkit for Cloud Computing www.OpenNebula.org | jme...@opennebula.org
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