Re: [openstack-dev] [nova] Prioritizing review of potentially approvable patches

2014-08-21 Thread Dan Genin
Hear, hear! Dan On 08/21/2014 07:57 AM, Daniel P. Berrange wrote: Tagged with '[nova]' but this might be relevant data / idea for other teams too. With my code contributor hat on, one of the things that I find most the frustrating about Nova code review process is that a patch can get a +2

Re: [openstack-dev] [Nova] Feature Freeze Exception process for Juno

2014-09-02 Thread Dan Genin
Just out of curiosity, what is the rational behind upping the number of core sponsors for feature freeze exception to 3 if only two +2 are required to merge? In Icehouse, IIRC, two core sponsors was deemed sufficient. Dan On 09/02/2014 02:16 PM, Michael Still wrote: Hi. We're soon to hit

Re: [openstack-dev] [Nova] Feature Freeze Exception process for Juno

2014-09-03 Thread Dan Genin
On 09/03/2014 07:31 AM, Gary Kotton wrote: On 9/3/14, 12:50 PM, Nikola Đipanov ndipa...@redhat.com wrote: On 09/02/2014 09:23 PM, Michael Still wrote: On Tue, Sep 2, 2014 at 1:40 PM, Nikola Đipanov ndipa...@redhat.com wrote: On 09/02/2014 08:16 PM, Michael Still wrote: Hi. We're soon to

[openstack-dev] [FFE] requesting FFE for LVM ephemeral storage encryption

2014-09-04 Thread Dan Genin
I would like to request a feature freeze exception for LVM ephemeral storage encryption[1]. The spec[2] for which was approved early in the Juno release cycle. This feature provides security for data at-rest on compute nodes. The proposed feature protects user data from disclosure due

[openstack-dev] [Nova][FFE] requesting FFE for LVM ephemeral storage encryption

2014-09-04 Thread Dan Genin
I would like to request a feature freeze exception for LVM ephemeral storage encryption[1]. The spec[2] for which was approved early in the Juno release cycle. This feature provides security for data at-rest on compute nodes. The proposed feature protects user data from disclosure due

Re: [openstack-dev] [nova][documentation][devstack] Confused about how to set up a Nova development environment

2014-01-10 Thread Dan Genin
On 01/09/2014 06:14 PM, Brant Knudson wrote: On Thu, Jan 9, 2014 at 12:21 PM, Mike Spreitzer mspre...@us.ibm.com mailto:mspre...@us.ibm.com wrote: Brant Knudson b...@acm.org mailto:b...@acm.org wrote on 01/09/2014 10:07:27 AM: When I was starting out, I ran devstack (

[openstack-dev] instance migration strangeness in devstack

2014-01-15 Thread Dan Genin
I think this qualifies as a development question but please let me know if I am wrong. I have been trying to test instance migration in devstack by setting up a multi-node devstack following directions at http://devstack.org/guides/multinode-lab.html. I tested that indeed there were multiple

[openstack-dev] [nova] instance migration strangeness in devstack

2014-01-15 Thread Dan Genin
I think this qualifies as a development question but please let me know if I am wrong. I have been trying to test instance migration in devstack by setting up a multi-node devstack following directions at http://devstack.org/guides/multinode-lab.html. I tested that indeed there were multiple

Re: [openstack-dev] instance migration strangeness in devstack

2014-01-16 Thread Dan Genin
been flushed to disk before you kick off the migration. The confirm resize step should be deleting the old data, but there may be a bug in the lvm backend if this isn’t happening. Live(block) migration will probably be a bit more intuitive. Vish On Jan 15, 2014, at 2:40 PM, Dan Genin daniel.ge

Re: [openstack-dev] instance migration strangeness in devstack

2014-01-16 Thread Dan Genin
Raw backed instance migration also works so this appears to be an LVM issue. On 01/16/2014 11:04 AM, Dan Genin wrote: Thank you for replying, Vish. I did sync and verified that the file was written to the host disk by mounting the LVM volume on the host. When I tried live migration I got

Re: [openstack-dev] instance migration strangeness in devstack

2014-01-16 Thread Dan Genin
open a bug and attach as much info as possible. Vish On Jan 16, 2014, at 8:04 AM, Dan Genin daniel.ge...@jhuapl.edu mailto:daniel.ge...@jhuapl.edu wrote: Thank you for replying, Vish. I did sync and verified that the file was written to the host disk by mounting the LVM volume on the host

Re: [openstack-dev] [Nova] Proposal to add Matt Riedemann to nova-core

2014-01-27 Thread Dan Genin
As a reviewee of Matt I vote +1 On 11/23/2013 10:17 AM, Gary Kotton wrote: This message has been archived. View the original item

[openstack-dev] LVM ephemeral storage encryption

2014-03-04 Thread Dan Genin
Hello Joe, Sorry to be bugging on what is probably a very busy day for you, but it being the feature freeze and all, I just wanted to ask if there was any chance of the LVM ephemeral storage encryption patch https://review.openstack.org/#/c/40467/, that you -1'ed today, making it into

Re: [openstack-dev] [nova] Thoughs please on how to address a problem with mutliple deletes leading to a nova-compute thread pool problem

2013-10-30 Thread Dan Genin
Punishing benign users as a defense against (potentially) malicious users sounds like a bad strategy. This should not be a zero-sum game. On 10/28/2013 02:49 PM, Joshua Harlow wrote: Sure, convergence model is great and likely how it has to be done. Its just a question of what is that

[openstack-dev] [devstack] Enable LVM ephemeral storage for Nova

2014-10-21 Thread Dan Genin
Hello, I would like to add to DevStack the ability to stand up Nova with LVM ephemeral storage. Below is a draft of the blueprint describing the proposed feature. Suggestions on architecture, implementation and the blueprint in general are very welcome. Best, Dan

Re: [openstack-dev] [devstack] Enable LVM ephemeral storage for Nova

2014-10-21 Thread Dan Genin
and not. This makes sense, as fewer code paths and less interoperability complexity is a good thing. That the same balance of concerns should apply in OpenStack, seems likely. On Tue, Oct 21, 2014 at 7:59 AM, Dan Genin daniel.ge...@jhuapl.edu mailto:daniel.ge...@jhuapl.edu wrote: Hello

Re: [openstack-dev] [devstack] Enable LVM ephemeral storage for Nova

2014-10-21 Thread Dan Genin
features cinder reconciling backend with the cinder db. Creating a second vg sharing the same backend pv is easy and avoids all such problems. Duncan Thomas On Oct 21, 2014 4:07 PM, Dan Genin daniel.ge...@jhuapl.edu mailto:daniel.ge...@jhuapl.edu wrote: Hello, I would like to add

Re: [openstack-dev] [devstack] Enable LVM ephemeral storage for Nova

2014-10-21 Thread Dan Genin
proposed features cinder reconciling backend with the cinder db. Creating a second vg sharing the same backend pv is easy and avoids all such problems. Duncan Thomas On Oct 21, 2014 4:07 PM, Dan Genin daniel.ge...@jhuapl.edu mailto:daniel.ge...@jhuapl.edu wrote: Hello, I would

Re: [openstack-dev] [devstack] Enable LVM ephemeral storage for Nova

2014-10-28 Thread Dan Genin
the same backend pv is easy and avoids all such problems. Duncan Thomas On Oct 21, 2014 4:07 PM, Dan Genin daniel.ge...@jhuapl.edu mailto:daniel.ge...@jhuapl.edu wrote: Hello, I would like to add to DevStack the ability to stand up Nova with LVM ephemeral storage. Below is a draft

Re: [openstack-dev] [devstack] Enable LVM ephemeral storage for Nova

2014-10-28 Thread Dan Genin
On 10/28/2014 11:56 AM, Dean Troyer wrote: On Tue, Oct 28, 2014 at 9:27 AM, Dan Genin daniel.ge...@jhuapl.edu mailto:daniel.ge...@jhuapl.edu wrote: So this brings us back to the original proposal of having separate backing files for Cinder and Nova which Dean thought might take too

Re: [openstack-dev] [devstack] Enable LVM ephemeral storage for Nova

2014-10-28 Thread Dan Genin
mitigation approaches. I have little understanding of what problems a shared Cinder-Nova volume group would cause for Cinder testing. How hard would it be to make the tests work with a shared volume group? Dan On 28 October 2014 14:27, Dan Genin daniel.ge...@jhuapl.edu wrote: Duncan, I don't

Re: [openstack-dev] [devstack] Enable LVM ephemeral storage for Nova

2014-10-28 Thread Dan Genin
around nova volumes fine when we come to write our tests. Sorry for the repeated circling on this, but I think I'm now happy. Thanks On 28 October 2014 17:53, Dan Genin daniel.ge...@jhuapl.edu wrote: On 10/28/2014 11:56 AM, Dean Troyer wrote: On Tue, Oct 28, 2014 at 9:27 AM, Dan Genin daniel.ge

Re: [openstack-dev] [devstack] Enable LVM ephemeral storage for Nova

2014-10-29 Thread Dan Genin
On 10/28/2014 02:50 PM, John Griffith wrote: On Tue, Oct 28, 2014 at 12:37 PM, Dan Genin daniel.ge...@jhuapl.edu mailto:daniel.ge...@jhuapl.edu wrote: Great, thank you, Duncan. I will then proceed with the shared volume group. Dan On 10/28/2014 02:06 PM, Duncan Thomas

Re: [openstack-dev] can't install devstack - nova-api did not start

2013-08-09 Thread Dan Genin
Thank you, that solved it. Dan On 08/09/2013 11:11 AM, Sean Dague wrote: This should be addressed by the latest devstack, however because we moved to oslo.config out of git, some install environments might still have oslo.config 1.1.0 somewhere, that pip no longer sees (so can't uninstall)

[openstack-dev] Nova master appears to fail PEP8 compliance

2013-08-21 Thread Dan Genin
Attempting to submit code to Nova, I got the following error from Jenkins: 2013-08-21 17:23:55.604 | pep8 runtests: commands[0] | flake8 2013-08-21 17:23:55.615 | /home/jenkins/workspace/gate-nova-pep8$ /home/jenkins/workspace/gate-nova-pep8/.tox/pep8/bin/flake8 2013-08-21 17:25:44.400 |

Re: [openstack-dev] [Nova] [RBD] Copy-on-write cloning for RBD-backed disks

2014-12-04 Thread Dan Genin
Hello Dmitry, This is off the topic of original email but related to RBD. Looking through the code of LibvirtDriver._get_instance_disk_info() I noticed that it only returns data for disks with source file=... or source dev=... but not source proto=... so RBD backed instances would be