Re: [ClusterLabs] Trying to prevent instantaneous Failover / Failback at standby reconnect

2018-07-24 Thread Andrei Borzenkov
24.07.2018 20:59, O'Donovan, Garret пишет: > Hello, and thank you for adding me to the list. > > We are using Pacemaker in a two-node hot-warm redundancy configuration. Both > nodes run ocf:pacemaker:ping (cloned) to monitor a ping group of devices. > The nodes share a virtual IP using ocf:hea

Re: [ClusterLabs] ping Resource Agent doesnt work

2018-07-24 Thread Ken Gaillot
On Fri, 2018-07-20 at 08:41 +0800, Confidential Company wrote: > I configured ping-RA via ocf:pacemaker. During testing the resource- > agent works fine, it executes ping action to my gateway every 10 > seconds and 3 attempts. But I noticed that even I disconnect the > physical link of node where t

[ClusterLabs] Antw: Trying to prevent instantaneous Failover / Failback at standby reconnect

2018-07-24 Thread Ulrich Windl
Hi! You seem to have no STONITH device configured. Any you create a classical split brain scenario. Another problem is this: "Another DC detected" Regards, Ulrich >>> "O'Donovan, Garret" schrieb am 24.07.2018 um 19:59 in Nachricht <46760769342fda45b4a87e8c5decfb5702dd488...@hpaexmbx1.arrs.arri

Re: [ClusterLabs] Antw: Trying to prevent instantaneous Failover / Failback at standby reconnect

2018-07-24 Thread Andrei Borzenkov
On Wed, Jul 25, 2018 at 8:54 AM, Ulrich Windl wrote: > Hi! > > You seem to have no STONITH device configured. Any you create a classical > split brain scenario. > > Another problem is this: "Another DC detected" > That is expected. We have no STONITH and ignore out-of-quorum situation (and two_no