Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-15 Thread Jay Pipes
Hi again, Divakar, sorry for the delayed response! On Wed, 2014-04-09 at 14:52 +, Nandavar, Divakar Padiyar wrote: Hi Jay, Managing multiple clusters using the Compute Proxy is not new right? Prior to this nova baremetal driver has used this model already. Yes, unfortunately. However,

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-10 Thread Chen CH Ji
, Haidian District, Beijing 100193, PRC From: Matthew Booth mbo...@redhat.com To: OpenStack Development Mailing List (not for usage questions) openstack-dev@lists.openstack.org, Date: 04/09/2014 07:02 PM Subject:Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-09 Thread Chen CH Ji
jay.lau@gmail.com To: OpenStack Development Mailing List (not for usage questions) openstack-dev@lists.openstack.org, Date: 04/06/2014 07:02 PM Subject:Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute Hi Divakar

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-09 Thread Jay Lau
To: OpenStack Development Mailing List (not for usage questions) openstack-dev@lists.openstack.org, Date: 04/06/2014 07:02 PM Subject: Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute -- Hi Divakar, Can I say that the bare

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-09 Thread Jay Lau
2014-04-09 19:04 GMT+08:00 Matthew Booth mbo...@redhat.com: On 09/04/14 07:07, Chen CH Ji wrote: we used to have one compute service corresponding to multiple hypervisors (like host and nodes concept ) our major issue on our platform is we can't run nova-compute service on the hypervisor

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-09 Thread Jay Pipes
Hi Juan, thanks for your response. Comments inline. On Mon, 2014-04-07 at 10:22 +0200, Juan Manuel Rey wrote: Hi, I'm fairly new to this list, actually this is my first email sent, and to OpenStack in general, but I'm not new at all to VMware so I'll try to give you my point of view about

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-09 Thread Jay Pipes
On Mon, 2014-04-07 at 15:47 +0100, Matthew Booth wrote: On 07/04/14 06:20, Jay Pipes wrote: On Sun, 2014-04-06 at 06:59 +, Nandavar, Divakar Padiyar wrote: Well, it seems to me that the problem is the above blueprint and the code it introduced. This is an anti-feature IMO, and probably

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-09 Thread Nandavar, Divakar Padiyar
-dev@lists.openstack.org Subject: Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute Importance: High Hi Juan, thanks for your response. Comments inline. On Mon, 2014-04-07 at 10:22 +0200, Juan Manuel Rey wrote: Hi, I'm fairly new to this list

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-09 Thread Steve Gordon
- Original Message - I'm not writing off vCenter or its capabilities. I am arguing that the bar for modifying a fundamental design decision in Nova -- that of being horizontally scalable by having a single nova-compute worker responsible for managing a single provider of compute

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-09 Thread Jay Lau
-dev@lists.openstack.org Subject: Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute Importance: High Hi Juan, thanks for your response. Comments inline. On Mon, 2014-04-07 at 10:22 +0200, Juan Manuel Rey wrote: Hi, I'm fairly new to this list

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-07 Thread Juan Manuel Rey
Hi, I'm fairly new to this list, actually this is my first email sent, and to OpenStack in general, but I'm not new at all to VMware so I'll try to give you my point of view about possible use case here. Jay you are saying that by using Nova to manage ESXi hosts we don't need vCenter because

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-07 Thread Matthew Booth
On 07/04/14 06:20, Jay Pipes wrote: On Sun, 2014-04-06 at 06:59 +, Nandavar, Divakar Padiyar wrote: Well, it seems to me that the problem is the above blueprint and the code it introduced. This is an anti-feature IMO, and probably the best solution would be to remove the above code and

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-07 Thread Solly Ross
] Enable live migration with one nova compute On 07/04/14 06:20, Jay Pipes wrote: On Sun, 2014-04-06 at 06:59 +, Nandavar, Divakar Padiyar wrote: Well, it seems to me that the problem is the above blueprint and the code it introduced. This is an anti-feature IMO, and probably the best solution

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-06 Thread Nandavar, Divakar Padiyar
Subject: Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute Importance: High On Fri, 2014-04-04 at 13:30 +0800, Jay Lau wrote: 2014-04-04 12:46 GMT+08:00 Jay Pipes jaypi...@gmail.com: On Fri, 2014-04-04 at 11:08 +0800, Jay Lau wrote

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-06 Thread Jay Lau
: Jay Pipes [mailto:jaypi...@gmail.com] Sent: Sunday, April 06, 2014 2:02 AM To: openstack-dev@lists.openstack.org Subject: Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute Importance: High On Fri, 2014-04-04 at 13:30 +0800, Jay Lau wrote

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-06 Thread Jay Pipes
On Sun, 2014-04-06 at 06:59 +, Nandavar, Divakar Padiyar wrote: Well, it seems to me that the problem is the above blueprint and the code it introduced. This is an anti-feature IMO, and probably the best solution would be to remove the above code and go back to having a single

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-05 Thread Jay Lau
Thanks Jay Pipes. If go back to having a single nova-compute managing a single vCenter cluster, then there might be problems in a large sacle vCenter cluster. There are still problems that we can not handle: 1) The VCDriver can also manage multiple resource pools with a single nova compute, the

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-03 Thread Jay Pipes
On Mon, 2014-03-31 at 17:11 +0800, Jay Lau wrote: Hi, Currently with VMWare VCDriver, one nova compute can manage multiple clusters/RPs, this caused cluster admin cannot do live migration between clusters/PRs if those clusters/PRs managed by one nova compute as the current live migration

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-03 Thread Chris Friesen
On 04/03/2014 05:48 PM, Jay Pipes wrote: On Mon, 2014-03-31 at 17:11 +0800, Jay Lau wrote: Hi, Currently with VMWare VCDriver, one nova compute can manage multiple clusters/RPs, this caused cluster admin cannot do live migration between clusters/PRs if those clusters/PRs managed by one nova

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-03 Thread Jay Lau
Thanks Jay and Chris for the comments! @Jay Pipes, I think that we still need to enable one nova compute live migration as one nova compute can manage multiple clusters and VMs can be migrated between those clusters managed by one nova compute. For cell, IMHO, each cell can be treated as a small

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-03 Thread Jay Pipes
On Fri, 2014-04-04 at 11:08 +0800, Jay Lau wrote: Thanks Jay and Chris for the comments! @Jay Pipes, I think that we still need to enable one nova compute live migration as one nova compute can manage multiple clusters and VMs can be migrated between those clusters managed by one nova

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-04-03 Thread Jay Lau
2014-04-04 12:46 GMT+08:00 Jay Pipes jaypi...@gmail.com: On Fri, 2014-04-04 at 11:08 +0800, Jay Lau wrote: Thanks Jay and Chris for the comments! @Jay Pipes, I think that we still need to enable one nova compute live migration as one nova compute can manage multiple clusters and VMs

[openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-03-31 Thread Jay Lau
Hi, Currently with VMWare VCDriver, one nova compute can manage multiple clusters/RPs, this caused cluster admin cannot do live migration between clusters/PRs if those clusters/PRs managed by one nova compute as the current live migration logic request at least two nova computes. A bug [1] was

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-03-31 Thread John Garbutt
On 31 March 2014 10:11, Jay Lau jay.lau@gmail.com wrote: Hi, Currently with VMWare VCDriver, one nova compute can manage multiple clusters/RPs, this caused cluster admin cannot do live migration between clusters/PRs if those clusters/PRs managed by one nova compute as the current live

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-03-31 Thread Solly Ross
][Nova][VMWare] Enable live migration with one nova compute Thanks John. Yes, I also think that this should be a bp as it is going to make some changes to enable live migration with only one nova compute, will file a blueprint later. For your proposal specify the same host as the instance

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-03-31 Thread Alessandro Pilotti
Sent: Monday, March 31, 2014 10:36:17 AM Subject: Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute Thanks John. Yes, I also think that this should be a bp as it is going to make some changes to enable live migration with only one nova compute

Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute

2014-03-31 Thread Jay Lau
(not for usage questions) openstack-dev@lists.openstack.org Sent: Monday, March 31, 2014 10:36:17 AM Subject: Re: [openstack-dev] [OpenStack-Dev][Nova][VMWare] Enable live migration with one nova compute Thanks John. Yes, I also think that this should be a bp as it is going to make some