On Wed, Dec 18, 2013 at 4:38 PM, Mihály Héder <[email protected]>wrote:
> I think you mixed Nicolas and me up. > I did :( > Anyway, if you could create the addon addon-shared-lvm-single-lock and > the user mheder for it, that would be great! > I would start committing into it some time in January. > I've just created the repo ( https://github.com/OpenNebula/addon-shared-lvm-single-lock) but I can not find the user mheder in github. Is it spelled right? Cheers > > Cheers! > Mihály > > > On 18 December 2013 15:03, Javier Fontan <[email protected]> wrote: > >> Hi Nicolas, >> >> Sorry for the huge delay. Releasing a new version does not bring down the >> amount of work :/ >> >> Do you want me to create the repo for the new addon? I can use the name >> "addon-shared-lvm-single-lock" >> and add your user "nagius" as admin to the repo. >> >> Cheers >> >> >> On Tue, Dec 3, 2013 at 6:16 PM, Nicolas AGIUS >> <[email protected]>wrote: >> >>> Hi, >>> >>> Maybe, you should have a look at the CXM project [1] and the CXM driver >>> [2].. >>> >>> It's a little bit old now, but it has been designed to work with cLVM on >>> XEN hosts, and provide load-balancing and automatic failover. >>> >>> It can also work without cLVM. In this setup, Opennebula is not part of >>> the cLVM cluster, all Xen nodes are read-writing LVM metadatas. That's >>> working good, but it's dangerous and slower. >>> >>> Cheers, >>> Nicolas AGIUS >>> >>> [1] https://github.com/nagius/cxm >>> [2] http://opennebula.org/software:ecosystem:cxm_drivers >>> >>> >>> -------------------------------------------- >>> En date de : Mar 3.12.13, Jaime Melis <[email protected]> a écrit : >>> >>> Objet: Re: [one-dev] announcing addon plan: shared-lvm-single-lock >>> À: "Mihály Héder" <[email protected]> >>> Cc: [email protected], [email protected] >>> Date: Mardi 3 décembre 2013, 12h24 >>> >>> Hi Mihály, >>> I'm sincerely looking forward to seeing this >>> addon and I think it would help to many OpenNebula >>> users. >>> Do you have anything already done? Maybe I could >>> take a quick look at it and give you some feedback? >>> >>> >>> As a general recommendation I'd like to point >>> out that it would be great if you could reuse code from >>> other DS and TM drivers. >>> cheers, >>> Jaime >>> >>> >>> >>> >>> On Wed, Nov 27, 2013 >>> at 11:17 PM, Mihály Héder <[email protected]> >>> wrote: >>> >>> >>> Hi, >>> >>> I want to announce my plans to create >>> addon-shared-lvm-single-lock which would be the current >>> version of the patches detailed here: >>> http://wiki.opennebula.org/shared_lvm >>> >>> >>> >>> >>> In a nutshell: the patch lets OpenNebula to use >>> commercial off the shelf SANs that are providing a few >>> pre-configured LUN-s as block devices over iSCSI, AoE or FC. >>> >>> >>> The block devices in question are mounted on all the >>> nodes and on the frontend, too. The device is split up to >>> logical volumes that are only active on the node that runs >>> the VM in question but are present everywhere. This allows >>> live migration that is facilitated by migration hooks which >>> activate and deactivate volumes as the instance travels. >>> >>> >>> >>> This way, in certain cases the use of cLVM can be spared as >>> all nodes except the frontend can run with read-only lvm >>> metadata setting, meaning that local locking is sufficient >>> on the frontend. This is only as long as other storage >>> drivers don't try to modify any lvm vgs on the nodes - >>> they won't work because of the read-only metadata. >>> >>> >>> >>> >>> Please comment on the matter! Thanks! >>> >>> Cheers >>> Mihály Héder >>> MTA SZTAKI HBIT >>> >>> >>> _______________________________________________ >>> >>> Dev mailing list >>> >>> [email protected] >>> >>> http://lists.opennebula.org/listinfo.cgi/dev-opennebula.org >>> >>> >>> >>> >>> >>> -- >>> Jaime Melis >>> Project Engineer >>> OpenNebula - Flexible Enterprise Cloud Made Simple >>> www.OpenNebula.org | [email protected] >>> >>> >>> >>> >>> -----La pièce jointe associée suit----- >>> >>> _______________________________________________ >>> Dev mailing list >>> [email protected] >>> http://lists.opennebula.org/listinfo.cgi/dev-opennebula.org >>> >>> _______________________________________________ >>> Dev mailing list >>> [email protected] >>> http://lists.opennebula.org/listinfo.cgi/dev-opennebula.org >>> >> >> >> >> -- >> Javier Fontán Muiños >> Developer >> OpenNebula - The Open Source Toolkit for Data Center Virtualization >> www.OpenNebula.org | @OpenNebula | github.com/jfontan >> >> _______________________________________________ >> Dev mailing list >> [email protected] >> http://lists.opennebula.org/listinfo.cgi/dev-opennebula.org >> >> > -- Javier Fontán Muiños Developer OpenNebula - The Open Source Toolkit for Data Center Virtualization www.OpenNebula.org | @OpenNebula | github.com/jfontan
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