Re: [ClusterLabs] how to set a dedicated fence delay for a stonith agent ?

2017-06-28 Thread Klaus Wenninger
On 06/28/2017 05:29 PM, Klaus Wenninger wrote: > On 05/08/2017 09:20 PM, Lentes, Bernd wrote: >> Hi, >> >> i remember that digimer often campaigns for a fence delay in a 2-node >> cluster. >> E.g. here: >> http://oss.clusterlabs.org/pipermail/pacemaker/2013-July/019228.html >> In my eyes it

Re: [ClusterLabs] how to set a dedicated fence delay for a stonith agent ?

2017-06-28 Thread Klaus Wenninger
On 05/08/2017 09:20 PM, Lentes, Bernd wrote: > Hi, > > i remember that digimer often campaigns for a fence delay in a 2-node > cluster. > E.g. here: > http://oss.clusterlabs.org/pipermail/pacemaker/2013-July/019228.html > In my eyes it makes sense, so i try to establish that. I have two HP

Re: [ClusterLabs] how to set a dedicated fence delay for a stonith agent ?

2017-05-17 Thread Dmitri Maziuk
On 2017-05-17 06:24, Lentes, Bernd wrote: ... I'd like to know what the software is use is doing. Am i the only one having that opinion ? No. How do you solve the problem of a deathmatch or killing the wrong node ? *I* live dangerously with fencing disabled. But then my clusters only

Re: [ClusterLabs] how to set a dedicated fence delay for a stonith agent ?

2017-05-17 Thread Klaus Wenninger
On 05/17/2017 03:33 PM, Lentes, Bernd wrote: > > - On May 17, 2017, at 2:58 PM, Klaus Wenninger kwenn...@redhat.com wrote: > > >>> I don't see that. >> fence_* are the RHCS-style fence-agents coming mainly from >> https://github.com/ClusterLabs/fence-agents. >> > Ah. Ok, i see that. > > Do you

Re: [ClusterLabs] how to set a dedicated fence delay for a stonith agent ?

2017-05-17 Thread Lentes, Bernd
- On May 17, 2017, at 2:11 PM, Vladislav Bogdanov bub...@hoster-ok.com wrote: > 08.05.2017 22:20, Lentes, Bernd wrote: >> Hi, >> >> i remember that digimer often campaigns for a fence delay in a 2-node >> cluster. >> E.g. here: >>

Re: [ClusterLabs] how to set a dedicated fence delay for a stonith agent ?

2017-05-17 Thread Vladislav Bogdanov
08.05.2017 22:20, Lentes, Bernd wrote: Hi, i remember that digimer often campaigns for a fence delay in a 2-node cluster. E.g. here: http://oss.clusterlabs.org/pipermail/pacemaker/2013-July/019228.html In my eyes it makes sense, so i try to establish that. I have two HP servers, each with an

Re: [ClusterLabs] how to set a dedicated fence delay for a stonith agent ?

2017-05-17 Thread Lentes, Bernd
- On May 10, 2017, at 9:15 PM, Dimitri Maziuk dmaz...@bmrb.wisc.edu wrote: > On 05/10/2017 01:54 PM, Ken Gaillot wrote: >> On 05/10/2017 12:26 PM, Dimitri Maziuk wrote: > >>> - fencing in 2-node clusters does not work reliably without fixed delay >> >> Not quite. Fixed delay allows a

Re: [ClusterLabs] how to set a dedicated fence delay for a stonith agent ?

2017-05-10 Thread Dimitri Maziuk
On 05/10/2017 01:54 PM, Ken Gaillot wrote: > On 05/10/2017 12:26 PM, Dimitri Maziuk wrote: >> - fencing in 2-node clusters does not work reliably without fixed delay > > Not quite. Fixed delay allows a particular method for avoiding a death > match in a two-node cluster. Pacemaker's built-in

Re: [ClusterLabs] how to set a dedicated fence delay for a stonith agent ?

2017-05-10 Thread Ken Gaillot
On 05/10/2017 12:26 PM, Dimitri Maziuk wrote: > > i remember that digimer often campaigns for a fence delay in a 2-node > cluster. > ... > But ... a random delay does not seem to > be a reliable solution. > >> Some fence agents implement a delay parameter of their own, to set

Re: [ClusterLabs] how to set a dedicated fence delay for a stonith agent ?

2017-05-10 Thread Dimitri Maziuk
i remember that digimer often campaigns for a fence delay in a 2-node cluster. ... But ... a random delay does not seem to be a reliable solution. > Some fence agents implement a delay parameter of their own, to set a > fixed delay. I believe that's what digimer uses. Is

Re: [ClusterLabs] how to set a dedicated fence delay for a stonith agent ?

2017-05-10 Thread Ken Gaillot
On 05/10/2017 12:20 AM, Kristoffer Grönlund wrote: > "Lentes, Bernd" writes: > >> - On May 8, 2017, at 9:20 PM, Bernd Lentes >> bernd.len...@helmholtz-muenchen.de wrote: >> >>> Hi, >>> >>> i remember that digimer often campaigns for a fence delay in a

Re: [ClusterLabs] how to set a dedicated fence delay for a stonith agent ?

2017-05-09 Thread Lentes, Bernd
- On May 8, 2017, at 9:20 PM, Bernd Lentes bernd.len...@helmholtz-muenchen.de wrote: > Hi, > > i remember that digimer often campaigns for a fence delay in a 2-node > cluster. > E.g. here: > http://oss.clusterlabs.org/pipermail/pacemaker/2013-July/019228.html > In my eyes it makes