Hi Jamie Thanks for the info, I am creating a readme and cleaning up the driver scripts and will be uploading them shortly.
Shank On Tue, May 8, 2012 at 9:47 AM, Jaime Melis <jme...@opennebula.org> wrote: > 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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