[openstack-dev] [ironic] The scenary to rolling upgrade Ironic

2015-10-14 Thread Tan, Lin
Hi guys, I am looking at https://bugs.launchpad.net/ironic/+bug/1502903 which is related to rolling upgrade and here is Jim's patch https://review.openstack.org/#/c/234450 I really have a concern or question about how to do Ironic doing rolling upgrades. It might be my mistake, but I would

Re: [openstack-dev] [ironic] The scenary to rolling upgrade Ironic

2015-10-14 Thread Jim Rollenhagen
On Wed, Oct 14, 2015 at 08:44:08AM +, Tan, Lin wrote: > Hi guys, > > I am looking at https://bugs.launchpad.net/ironic/+bug/1502903 which > is related to rolling upgrade and here is Jim's patch > https://review.openstack.org/#/c/234450 I really have a concern or > question about how to do

Re: [openstack-dev] [ironic] The scenary to rolling upgrade Ironic

2015-10-14 Thread Dan Smith
> Conductors will always need to talk to the database. APIs may not need > to talk to the database. I think we can just roll conductor > upgrades through, and then update ironic-api after that. This should > just work, as long as we're very careful about schema changes (this is > where the

Re: [openstack-dev] [ironic] The scenary to rolling upgrade Ironic

2015-10-14 Thread Jim Rollenhagen
On Wed, Oct 14, 2015 at 04:09:07PM -0700, Dan Smith wrote: > > Conductors will always need to talk to the database. APIs may not need > > to talk to the database. I think we can just roll conductor > > upgrades through, and then update ironic-api after that. This should > > just work, as long as