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 Sat, Oct 24, 2015 at 07:42:53AM +, Ti
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 significant)
>
>The cu
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 significant)
The current big benefit for qcow2 is really the abilityo have a
ba
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
significant)
I guess this could also be a simple nova.conf flag per hypervisor with low risk
(a default ephemeral format to qcow2 or raw).
Hi Daniel,
On Fri, 2015-10-23 at 12:05 +0100, Daniel P. Berrange wrote:
> On Thu, Oct 22, 2015 at 06:01:42PM +, 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
eckmann ; 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 22/10/15 20:01, "Marc Heckmann"
>
On Thu, Oct 22, 2015 at 06:01:42PM +, 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 options lacking. I last looked in Juno.
> >
> > On Thursday, October 22, 2015,
> -Original Message-
> From: Kashyap Chamarthy [mailto:kcham...@redhat.com]
> Sent: 23 October 2015 12:37
> To: Tim Bell
> Cc: Marc Heckmann ; openstack-
> operat...@lists.openstack.org
> Subject: Re: [Openstack-operators] raw ephemeral disks and qcow2 images
>
> On Fri,
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 options lacking. I last looke
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 options lacking. I last looked in Juno.
>>
>> On Thursday, October 22, 2015, Tim Bell 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 options lacking. I last looked in Juno.
>
> On Thursday, October 22, 2015, Tim Bell wrote:
>
>
> Has anyone had experience
I've actually looked for this for our RBD backed ephemeral instances, but
found the options lacking. I last looked in Juno.
On Thursday, October 22, 2015, Tim Bell wrote:
>
>
> Has anyone had experience with setting up Nova with KVM so it has raw
> ephemeral disks but qcow2 images for the VMs ?
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
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