Re: [ClusterLabs] Booth ticket multi-site and quorum /Pacemaker

2022-02-24 Thread Viet Nguyen
Hi, Thank you so much! Would you please advise more on this following case: The cluster I am trying to setup is Postgresql with replication streaming with PAF. So, it will decide one node as a master and 3 standby nodes. So, with this, from what I understand from Postgresql, having 2

Re: [ClusterLabs] Booth ticket multi-site and quorum /Pacemaker

2022-02-24 Thread Viet Nguyen
Hi, Thank you so so much for your help. May i ask a following up question: For the option of having one big cluster with 4 nodes without booth, then, if one site (having 2 nodes) is down, then the other site does not work as it does not have quorum, am I right? Even if we have a quorum voter in

Re: [ClusterLabs] Q: fence_kdump and fence_kdump_send

2022-02-24 Thread Walker, Chris
We use the fence_kump* code extensively in production and have never had any problems with it (other than the normal initial configuration challenges). Kernel panic + kdump is our most common failure mode, so we exercise this code quite a bit. Thanks, Chris From: Users Date: Thursday,

Re: [ClusterLabs] Booth ticket multi-site and quorum /Pacemaker

2022-02-24 Thread Jan Friesse
Hi, On 24/02/2022 14:19, Viet Nguyen wrote: Hi, Thank you so much! Would you please advise more on this following case: The cluster I am trying to setup is Postgresql with replication streaming with PAF. So, it will decide one node as a master and 3 standby nodes. So, with this, from what I

Re: [ClusterLabs] Booth ticket multi-site and quorum /Pacemaker

2022-02-24 Thread Andrei Borzenkov
On Thu, Feb 24, 2022 at 1:17 PM Jan Friesse wrote: > > On 24/02/2022 10:28, Viet Nguyen wrote: > > Hi, > > > > Thank you so so much for your help. May i ask a following up question: > > > > For the option of having one big cluster with 4 nodes without booth, then, > > if one site (having 2 nodes)

[ClusterLabs] Q: fence_kdump and fence_kdump_send

2022-02-24 Thread Ulrich Windl
Hi! After reading about fence_kdump and fence_kdump_send I wonder: Does anybody use that in production? Having the networking and bonding in initrd does not sound like a good idea to me. Wouldn't it be easier to integrate that functionality into sbd? I mean: Let sbd wait for a "kdump-ed" message

[ClusterLabs] Odd result from ping RA

2022-02-24 Thread Ulrich Windl
Hi! I just discovered this oddity for a SLES15 SP3 cluster: Feb 24 11:16:17 h16 pacemaker-attrd[7274]: notice: Setting val_net_gw1[h18]: 1000 -> 139000 That surprised me, because usually the value is 1000 or 0. Diggding a bit further I found: Migration Summary: * Node: h18: *

Re: [ClusterLabs] Booth ticket multi-site and quorum /Pacemaker

2022-02-24 Thread Jan Friesse
On 24/02/2022 10:28, Viet Nguyen wrote: Hi, Thank you so so much for your help. May i ask a following up question: For the option of having one big cluster with 4 nodes without booth, then, if one site (having 2 nodes) is down, then the other site does not work as it does not have quorum, am I