gfs2/rgmanager works reliably for kvm so i don't see why gluster wouldn't. On Mon, Jun 6, 2011 at 5:20 AM, Shehjar Tikoo <shehj...@gluster.com> wrote:
> My understanding is that the --instances_path will be the share to which > the VM state will be synced on the source hypervisor. This synced image will > then be used to restart the VM at the destination hypervisor. Ideally, I'd > like to avoid having a local copy of the VM state in order to provide > persistence in VMs so that if the hypervisor fails or crashes, etc. the VM > state on a Gluster volume can be used to restart it. I am not sure whether > this is possible in OpenStack yet or if KVM will even support using a shared > mount as a VM state storage. This is something I will be looking into. Of > course, some references to docs, emails will be nice . Thanks. > > > ________________________________________ > From: masumo...@nttdata.co.jp [masumo...@nttdata.co.jp] > Sent: Monday, June 06, 2011 6:23 AM > To: Shehjar Tikoo > Cc: openstack@lists.launchpad.net; so...@linux2go.dk > Subject: RE: [Openstack] Integrating GlusterFS with OpenStack > > Hi, > > > When doing live migration, we could let KVM migrate the > > VM state and somehow tell gluster to migrate the disk image to the new > > host (to maintain locality between the virtual machine and its storage). > > Gluster already has the means to do live rebalancing, but I don't believe > > an API to specify "I'd like for this particular file to reside on this > > particular brick. Please make it so". That would *rock*. > > In current openstack live migration feature, a flag --instances_path > specifies the path which has to be on shared storage. Live re-balancing > sounds like good idea, and I think at least, just "--instances_path is on > the glusterFS" is good option to users. > If you want any help, my colleague and me would love to do ^^; > > > > -----Original Message----- > > From: openstack-bounces+masumotok=nttdata.co...@lists.launchpad.net > > [mailto:openstack-bounces+masumotok=nttdata.co...@lists.launchpad.ne > > t] On Behalf Of Soren Hansen > > Sent: Monday, June 06, 2011 7:40 AM > > To: Shehjar Tikoo > > Cc: openstack@lists.launchpad.net > > Subject: Re: [Openstack] Integrating GlusterFS with OpenStack > > > > 2011/6/3 Shehjar Tikoo <shehj...@gluster.com>: > > > We're aiming to integrate Gluster with Openstack in a way that allows > > > GlusterFS to be used as the storage for application volumes as well > > as VMs. > > > I am interested in hearing your ideas on how such an integration can > > > be performed. Being the openstack experts, could you please share some > > > issues I should be considering, the problems I may run into or > > > anything else you think I should know. > > > > One thing I'd love to be able to do is store my virtual disks on a > gluster > > filesystem that is shared across my compute nodes. The data would be > > stored on the host that is actually running the virtual machine (think > > NUFA scheduler). When doing live migration, we could let KVM migrate the > > VM state and somehow tell gluster to migrate the disk image to the new > > host (to maintain locality between the virtual machine and its storage). > > Gluster already has the means to do live rebalancing, but I don't believe > > an API to specify "I'd like for this particular file to reside on this > > particular brick. Please make it so". That would *rock*. > > > > -- > > Soren Hansen | http://linux2go.dk/ Ubuntu Developer | > > http://www.ubuntu.com/ OpenStack Developer | http://www.openstack.org/ > > > > _______________________________________________ > > Mailing list: https://launchpad.net/~openstack > > Post to : openstack@lists.launchpad.net > > Unsubscribe : https://launchpad.net/~openstack > > More help : https://help.launchpad.net/ListHelp > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp >
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