On 08/03/2015 05:58 PM, Nux! wrote: > Hello, > > "KVM" itself does not have a built-in HA engine, since it's just the > hypervisor. > > The HA in this case is handled by the Cloudstack management server, it will > make sure your instance is always UP as long as > the service offering has "Offer HA". > e.g. > http://storage4.static.itmages.com/i/15/0803/h_1438617503_4305698_2ca336f081.png > > Obviously, HA assumes primary storage is usable from all hypervisors, so this > means shared storage (NFS, CEPH, shared mount point etc), it will not work > with local storage. >
Keep in mind that ONLY when using NFS there will be a heartbeat written to the storage. Currently HA is the safest to use when there is at least one NFS primary storage available. Wido > HTH > Lucian > > -- > Sent from the Delta quadrant using Borg technology! > > Nux! > www.nux.ro > > ----- Original Message ----- >> From: "Mike Tutkowski" <mike.tutkow...@solidfire.com> >> To: dev@cloudstack.apache.org >> Cc: "Marcus Sorensen" <shadow...@gmail.com> >> Sent: Monday, 3 August, 2015 16:13:01 >> Subject: Fwd: Need Info on configuring cloudstack HA > >> CCing Marcus since he's one of our resident KVM gurus, but - of course - >> anyone please chime in. >> >> Thanks! >> >> ---------- Forwarded message ---------- >> From: Budur Nagaraju <nbud...@gmail.com> >> Date: Mon, Aug 3, 2015 at 1:44 AM >> Subject: Need Info on configuring cloudstack HA >> To: dev-ow...@cloudstack.apache.org >> >> >> HI >> New to cloud stack struggled searching for configuring KVM HA unable to >> find any document . >> Pls any help to configure KVM HA in cloud stack ,really helps a lot. >> >> Thanks, >> Nagaraju >> >> >> >> -- >> *Mike Tutkowski* >> *Senior CloudStack Developer, SolidFire Inc.* >> e: mike.tutkow...@solidfire.com >> o: 303.746.7302 >> Advancing the way the world uses the cloud >> <http://solidfire.com/solution/overview/?video=play>*™*