Re: [openstack-dev] [Nova] Boot from ISO feature status

2014-07-30 Thread Jean-Daniel Bonnetot
Hi Daniel, For now (IceHouse), it's not possible to boot from iso and attach volume after boot. Libvirt present ISO disk via an IDE controller (/dev/hda) and new volume try to be added as IDE too (/dev/hdb). Do you mean that with the new block device mapping code, we will be able to boot from

Re: [openstack-dev] [Nova] Boot from ISO feature status

2014-07-29 Thread Daniel P. Berrange
On Mon, Jul 28, 2014 at 09:30:24AM -0700, Vishvananda Ishaya wrote: I think we should discuss adding/changing this functionality. I have had many new users assume that booting from an iso image would give them a root drive which they could snapshot. I was hoping that the new block device

Re: [openstack-dev] [Nova] Boot from ISO feature status

2014-07-29 Thread Maksym Lobur
Hi Daniel, Thanks for the feedback. I have two questions: 1. Is it available in Havana? 2. Is it possible to to say that the glance image should be fetched to a CDROM device (and disk file named 'iso'), and the root disk should be created blank according to the flavor settings (disk file named

Re: [openstack-dev] [Nova] Boot from ISO feature status

2014-07-29 Thread Nikola Đipanov
On 07/29/2014 11:03 AM, Daniel P. Berrange wrote: On Mon, Jul 28, 2014 at 09:30:24AM -0700, Vishvananda Ishaya wrote: I think we should discuss adding/changing this functionality. I have had many new users assume that booting from an iso image would give them a root drive which they could

Re: [openstack-dev] [Nova] Boot from ISO feature status

2014-07-28 Thread Vishvananda Ishaya
I think we should discuss adding/changing this functionality. I have had many new users assume that booting from an iso image would give them a root drive which they could snapshot. I was hoping that the new block device mapping code would allow something like this, but unfortunately there

Re: [openstack-dev] [Nova] Boot from ISO feature status

2014-07-28 Thread Alessandro Pilotti
Hi guys, In the Hyper-V driver camp we waited to add the boot from ISO feature because of this issue. Booting from ISO w/o local storage is almost useless for most scenarios. It'd be great if we could reach consensus on this and propose some consistent BPs for all supported drivers in early

Re: [openstack-dev] [Nova] Boot from ISO feature status

2014-07-28 Thread Maksym Lobur
Vish, Exactly. Snapshots is the main reason why I started to modify Nova. There's a high probability that we will contribute our work to Nova nearest time. Meanwhile I'm ready to participate in all the discussions. Best regards, Max Lobur, OpenStack Developer, Mirantis, Inc. Mobile: +38 (093)

Re: [openstack-dev] [Nova] Boot from ISO feature status

2014-07-25 Thread Maksym Lobur
Hi Vish! Appreciate your feedback! Are there some significant pitfalls that forced Nova team to decide that? Currently I'm testing my local nova modifications to get real boot from ISO functionality like described in the spec. I'm fetching ISO image from glance into the separate file under the