Re: [Openstack-operators] raw ephemeral disks and qcow2 images

Just wanted to mention in this context that those of us with GPFS backing stores need RAW to allow copy-on-write image and volume creation. On Mon, Oct 26, 2015 at 2:23 AM, Tim Bell wrote: > > > > > > On 25/10/15 23:57, "Daniel P. Berrange" wrote: > >>On

Re: [Openstack-operators] raw ephemeral disks and qcow2 images

On 25/10/15 23:57, "Daniel P. Berrange" wrote: >On Sat, Oct 24, 2015 at 07:42:53AM +, Tim Bell wrote: >> Always having ephemeral disks as raw might make sense given that there >> is going to be little overlap with others (and therefore the qcow2 >> benefits are not

Re: [Openstack-operators] raw ephemeral disks and qcow2 images

> Cc: Marc Heckmann <marc.heckm...@ubisoft.com>; openstack- > > operat...@lists.openstack.org > > Subject: Re: [Openstack-operators] raw ephemeral disks and qcow2 images > > > > On Fri, Oct 23, 2015 at 06:21:23AM +, Tim Bell wrote: > > > > > > On 22/10/

Re: [Openstack-operators] raw ephemeral disks and qcow2 images

On Fri, Oct 23, 2015 at 06:21:23AM +, Tim Bell wrote: > > On 22/10/15 20:01, "Marc Heckmann" wrote: > > >Hi, > > > >On Thu, 2015-10-22 at 08:17 -0700, Abel Lopez wrote: > >> I've actually looked for this for our RBD backed ephemeral instances, > >> but found the

Re: [Openstack-operators] raw ephemeral disks and qcow2 images

> -Original Message- > From: Kashyap Chamarthy [mailto:kcham...@redhat.com] > Sent: 23 October 2015 12:37 > To: Tim Bell <tim.b...@cern.ch> > Cc: Marc Heckmann <marc.heckm...@ubisoft.com>; openstack- > operat...@lists.openstack.org > Subject: Re: [Openstack-operato

[Openstack-operators] raw ephemeral disks and qcow2 images

Has anyone had experience with setting up Nova with KVM so it has raw ephemeral disks but qcow2 images for the VMs ? We've got very large ephemeral disks and could benefit from the performance of raw volumes for this. Tim smime.p7s Description: S/MIME cryptographic signature