Andi Abes wrote:
> On Wed, Apr 25, 2012 at 3:39 PM, Caitlin Bestler
> wrote:
>> andi.abes asked:
>>
>>> Would this also be applicable to the ephemeral instance storage?
>>
> >An ephemeral instance is essentially a non-persistent clone of a snapshot
> >image.
>>
>that's an interesting perspecti
On Wed, Apr 25, 2012 at 3:39 PM, Caitlin Bestler
wrote:
> andi.abes asked:
>
>> Would this also be applicable to the ephemeral instance storage?
>
> An ephemeral instance is essentially a non-persistent clone of a snapshot
> image.
>
that's an interesting perspective. But currently, those can be
andi.abes asked:
> Would this also be applicable to the ephemeral instance storage?
An ephemeral instance is essentially a non-persistent clone of a snapshot image.
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> So the ability to create a snapshot, rollback to a snapshot and to create a
> new snapshot that references a snapshot as its base are strong
> candidates for abilities to design for volume drivers. Any device that did
> not support this capability would simply state so. Snapshotting would
> the
Plus it has implications when trying
to migrate and resize instances, so there is a lot to consider.
As caitlin mentioned, something will be implemented in the volume service
anyway, so it might be better to wait and see what happens there.
Vish
On Apr 24, 2012, at 4:30 PM, Joshua Harlow wrote:
Re:
Lorin Hochstein asked:
> Are snapshots only supported on qemu/kvm, or do they work with other
> hypervisors as well? (Does Xen support qcow2 images?)
> Does OpenStack do anything with snapshots other than using them to generate
> new images? I was a little confused by the existence of the "Snap
On Apr 25, 2012, at 7:44 AM, Lorin Hochstein wrote:
> Since we're talking snapshots, quick doc-related snapshot questions:
>
> - Are snapshots only supported on qemu/kvm, or do they work with other
> hypervisors as well? (Does Xen support qcow2 images?)
I was speaking about libvirt/kvm, but th
iamherrych...@gmail.com; openstack
Subject: Re: [Openstack] raw or qcow2
Since we're talking snapshots, quick doc-related snapshot questions:
- Are snapshots only supported on qemu/kvm, or do they work with other
hypervisors as well? (Does Xen support qcow2 images?)
- Does OpenStack do anything
Since we're talking snapshots, quick doc-related snapshot questions:
- Are snapshots only supported on qemu/kvm, or do they work with other
hypervisors as well? (Does Xen support qcow2 images?)
- Does OpenStack do anything with snapshots other than using them to generate
new images? I was a lit
?
Did you mistype your comment or misread mine? Raw does NOT work for snapshots.
snapshots only work for qcow2. Implementing snapshotting with raw would be
possible. Logic just needs to be added to skip the internal snapshot step and
just use the entire file when uploading to glance. This wou
Ok, but forcing a new block storage project to have this feature, is that the
right way?
Maybe it will, just wondering.
Glance seems to be the registry of images, so a natural progression is that it
can maintain the image dependencies?
This would allow the qcow2 image to pull the needed dependenc
Joshua Harlow wrote:
> What changes would be needed to make qcow2 files work as snapshots?
> Some type of image "dependency" management in glance (and failure cases) and
> the corresponding "dependency" fetching in nova (and failure cases)?
> Might be something pretty useful to have, instead of
What changes would be needed to make qcow2 files work as snapshots?
Some type of image "dependency" management in glance (and failure cases) and
the corresponding "dependency" fetching in nova (and failure cases)?
Might be something pretty useful to have, instead of forcing raw for snapshots?
On
On Apr 17, 2012, at 2:04 AM, William Herry wrote:
> so, what changes should I make if I want use raw in openstack, I didn't find
> some configure option in nova.conf.sample
>
> I also try to modify the source code in nova/virt/libvirt/utils.py, and
> didn't succeed
>
> I noticed that the type
so, what changes should I make if I want use raw in openstack, I didn't
find some configure option in nova.conf.sample
I also try to modify the source code in nova/virt/libvirt/utils.py, and
didn't succeed
I noticed that the type of snapshot is same as the instance's image by
default, does this r
On Tue, Apr 17, 2012 at 04:23:04PM +0800, William Herry wrote:
> Hi all
>
> we plan to use openstack on our production,
> we are not sure which disk type will be the better choice
>
> I did a little test on qcow2 and it's performance looks good when I use
> cache=writeback
>
> can some one give
Hi,qcow2 for all the advantages it has : resize, compress, snapshopt, convert, backing files :-)
Nuage & Co - Razique Mahroua razique.mahr...@gmail.com
Le 17 avr. 2012 à 10:23, William Herry a écrit :Hi allwe plan to use openstack on our production, we are not sure which disk type will be the bett
Hi all
we plan to use openstack on our production,
we are not sure which disk type will be the better choice
I did a little test on qcow2 and it's performance looks good when I use
cache=writeback
can some one give us some advice, or some article,
cause for such common topic must be discussed be
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