Thanks Cristian, Will elasticity be limited to 4 Cores/4GB (The max capacity of a physical host) ?
On Mon, Dec 23, 2013 at 5:00 PM, Cristian Falcas <cristi.fal...@gmail.com>wrote: > Hi, > > From what I know you can resize a machine, but this involves > rebuilding the instance: openstack will create a snapshot of the > machine an recreate the instance with the new snapshot and a new > flavor. This is not very fast from my experience, so you will have a > considerable downtime doing this, depending on the size of the current > instance and how fast is your storage. > > Best regards, > Cristian Falcas > > > > On Mon, Dec 23, 2013 at 12:03 PM, Vikas Parashar <para.vi...@gmail.com> > wrote: > > Hi, > > > > IaaS is all about elastic computing. I can stretch resources as per my > need > > - increasing/decreasing the number of cores, RAM allocated etc.. > > > > My question is - how does openStack achieve this elasticity for both > > computation and RAM. > > > > If I create an image with 2 cores and 4 GB RAM (and one day I need to > > increase this to, lets say - 6 Cores and 12 GB RAM), but all the physical > > hosts that I currently have (for Compute and RAM) at my disposal have a > max > > of 4 Cores and 4 GB RAM each.. > > > > Using openStack - > > > > a) is this possible (as long as the total cores and total RAM required is > > less than the group-total) ? If yes, how is this achieved. > > > > b) or the elasticity will be limited to 4 Cores/4GB (The max capacity > of a > > physical host) ? If no, then is it possible to achieve it ? > > > > _______________________________________________ > > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > Post to : openstack@lists.openstack.org > > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > >
_______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack