Re: [ClusterLabs] Pacemaker PostgreSQL cluster

2018-05-30 Thread Ken Gaillot
On Wed, 2018-05-30 at 09:31 +0200, Salvatore D'angelo wrote: > Hi, > > Last question. In order to migrate pacemaker with minimum downtime > the option I see are Rolling (node by node) and Disconnect Reattach > http://clusterlabs.org/pacemaker/doc/en-US/Pacemaker/1.1/html/Pacemak > er_Explained/ap-

Re: [ClusterLabs] Pacemaker PostgreSQL cluster

2018-05-30 Thread Salvatore D'angelo
Hi, Last question. In order to migrate pacemaker with minimum downtime the option I see are Rolling (node by node) and Disconnect Reattach http://clusterlabs.org/pacemaker/doc/en-US/Pacemaker/1.1/html/Pacemaker_Explained/ap-upgrade.html

Re: [ClusterLabs] Pacemaker PostgreSQL cluster

2018-05-29 Thread Ken Gaillot
On Tue, 2018-05-29 at 22:25 +0200, Salvatore D'angelo wrote: > Hi, > > Regarding last question about pacemaker dependencies for Ubuntu I > found this for 1.1.18: > https://launchpad.net/ubuntu/+source/pacemaker/1.1.18-0ubuntu2/+build > /14818856 > > It’s not clear to me why pacemaker 1.1.18 is av

Re: [ClusterLabs] Pacemaker PostgreSQL cluster

2018-05-29 Thread Salvatore D'angelo
Hi, Regarding last question about pacemaker dependencies for Ubuntu I found this for 1.1.18: https://launchpad.net/ubuntu/+source/pacemaker/1.1.18-0ubuntu2/+build/14818856 It’s not clear to me why pacemaker 1.1.18

Re: [ClusterLabs] Pacemaker PostgreSQL cluster

2018-05-29 Thread Jehan-Guillaume de Rorthais
On Tue, 29 May 2018 14:23:31 +0200 Salvatore D'angelo wrote: ... > 2. I read some documentation about upgrade and since we want 0 ms downtime I > think the Rolling Upgrade (node by node) is the better approach. The 0ms upgrade is almost impossible. At some point, you will have to move the master

Re: [ClusterLabs] Pacemaker PostgreSQL cluster

2018-05-29 Thread Ken Gaillot
On Tue, 2018-05-29 at 14:23 +0200, Salvatore D'angelo wrote: > Hi All, > > I am new to this list. I am working on a project that uses a cluster > composed by 3 nodes (with Ubuntu 14.04 trusty) on which we run > PostgreSQL managed as Master/slaves. > We uses Pacemaker/Corosync to manage this cluste

[ClusterLabs] Pacemaker PostgreSQL cluster

2018-05-29 Thread Salvatore D'angelo
Hi All, I am new to this list. I am working on a project that uses a cluster composed by 3 nodes (with Ubuntu 14.04 trusty) on which we run PostgreSQL managed as Master/slaves. We uses Pacemaker/Corosync to manage this cluster. In addition, we have a two node GlusterFS where we store backups an