new node corosync insertion issue is related to https://bugs.launchpad.net/fuel/+bug/1312627 and will be addressed in 5.1 release.
On Mon, Jul 28, 2014 at 6:05 PM, Sergii Golovatiuk <[email protected] > wrote: > Hi Dmitriy, > > The algorithm you described is correct. Currently, Fuel is really close to > the procedure you describe. > > 1. Remove controller from environment > Puppet will remove the controller from files, services re-triggered. > Though, the case requires one manual step from operator as corosync can't > remove/add new node to redundant ring protocol on the fly. > 2. Not a problem and already implemented. > 3. Everything should work fine except insertion a new node to corosync. > > We have a blueprint to tune/fix corosync additional/removal nodes. I hope > this functionality will be implemented soon. > > > -- > Best regards, > Sergii Golovatiuk, > Skype #golserge > IRC #holser > > > On Mon, Jul 28, 2014 at 3:49 PM, Dmitriy Novakovskiy < > [email protected]> wrote: > >> Hi Fuelers, >> >> I recently got a question from one of the prospects - what should Fuel >> user do if one of the OpenStack controllers fails (completely) and there's >> a need to replace it with new box. >> >> My educated guess was: >> 1. Remove controller from the environment in Fuel UI (*Q1:* is it >> actually possible? assuming that server is out and Fuel won't be able to do >> cleanup) >> 2. Get new controller discovered >> 3. Add new controller to the environment in Fuel UI (*Q2:* how does this >> happen right now? Does Fuel re-reploy all controllers? Will cloud >> experience services downtime? Will DB state be preserved?) >> >> Is it anywhere close to reality? Do we actually test the cases like that? >> >> Thanks, >> >> --- >> Regards, >> >> *Dmitriy Novakovskiy* >> Sales Engineer, Mirantis EMEA >> >> *Skype:* dmitriy.novakovskiy >> *Operating from:* Ukraine >> >> -- >> Mailing list: https://launchpad.net/~fuel-dev >> Post to : [email protected] >> Unsubscribe : https://launchpad.net/~fuel-dev >> More help : https://help.launchpad.net/ListHelp >> >> > > -- > Mailing list: https://launchpad.net/~fuel-dev > Post to : [email protected] > Unsubscribe : https://launchpad.net/~fuel-dev > More help : https://help.launchpad.net/ListHelp > > -- Yours Faithfully, Vladimir Kuklin, Fuel Library Tech Lead, Mirantis, Inc. +7 (495) 640-49-04 +7 (926) 702-39-68 Skype kuklinvv 45bk3, Vorontsovskaya Str. Moscow, Russia, www.mirantis.com <http://www.mirantis.ru/> www.mirantis.ru [email protected]
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