https://wiki.openstack.org/wiki/HypervisorSupportMatrix suggest that this feature only works with XenServer.
Bob > -----Original Message----- > From: Mark Chaney [mailto:[email protected]] > Sent: 02 September 2013 14:56 > To: Bob Ball > Cc: [email protected] > Subject: RE: [Openstack] can instances be resized? > > Ok, there seems to be a lot of conflicting information out there. Some > people are saying its possible, some people are saying the kvm gets > destroyed first and pretty much created from scratch, and others are > saying its possible with xenserver. FYI, I will be using KVM. > > Without any crazy workarounds or custom templates, can Openstack resize > kvm linux guests and keep data in tack? This is something I have to do > quite often with my xen (xen.org) cluster that is managed with cloudmin, > so its a very important feature to me that I can continue to be able to > do it when switching to kvm/openstack. > > Thanks everyone for your time! > > -Mark > > On 2013-09-02 03:31, Bob Ball wrote: > > Hi Mark, > > > > Just to add to this - if you use XenServer as the underlying > > hypervisor then yes, it can perform automatic resize of the partitions > > when you resize an instance between two flavors. > > > > I believe you need to set auto_disk_config=True for the instance - at > > which point the expectation is that you have a single partition and > > are using EXT3 or EXT4. See > > > https://github.com/openstack/nova/blob/master/nova/virt/xenapi/vm_util > s.py#L798 for the technical details. > > > > This occurs when you issue the nova command to resize an instance > > between the flavors and requires you to be running XenServer with the > > EXT3 SR type - see > > http://docs.openstack.org/trunk/openstack- > compute/admin/content/introduction-to-xen.html for more details on > setting up XenServer. > > > > Thanks, > > > > Bob > > > >> -----Original Message----- > >> From: Mark Chaney [mailto:[email protected]] > >> Sent: 30 August 2013 07:15 > >> To: [email protected] > >> Subject: [Openstack] can instances be resized? > >> > >> I am going to be hosting mainly Ubuntu, CentOS, and some Debian > >> instances with my openstack "cloud". Can instances be resized when it > >> comes to their storage? Obviously not only does its disk need to be > >> resized, but its FS as well. I am hoping openstack can take care of > >> all > >> of that. > >> > >> Thanks, > >> Mark > >> > >> _______________________________________________ > >> Mailing list: > >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > >> Post to : [email protected] > >> Unsubscribe : http://lists.openstack.org/cgi- > >> bin/mailman/listinfo/openstack _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : [email protected] Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
