[ClusterLabs] Antw: Re: Problem with stonith and starting services

2017-07-05 Thread Ulrich Windl
>>> Cesar Hernandez schrieb am 05.07.2017 um 16:50 in Nachricht : >> Not a good idea probably - and the reason for what you are experiencing ;-) >> If you have problems starting the nodes within a certain time-window >>

[ClusterLabs] Antw: Re: Problem with stonith and starting services

2017-07-05 Thread Ulrich Windl
>>> Cesar Hernandez schrieb am 05.07.2017 um 08:50 in Nachricht : >> Might be kind of a strange race as well ... but without knowing what the >> script actually does ... >> > > The script first try to reboot the node

[ClusterLabs] PCSD Certificate

2017-07-05 Thread BUVI
Hi, I would like to know, why certiticate is created in pacemaker and what will happen if it expires ? Thanks and Regards, *Bhuvanesh Kumar .G* Linux and Email Administrator ___ Users mailing list: Users@clusterlabs.org

Re: [ClusterLabs] About Corosync up to 16 nodes limit

2017-07-05 Thread Digimer
I'm not employed by Red Hat, so I can't speak authoritatively. My understanding, however, is that they do not distinguish as corosync on its own doesn't do much. The complexity comes from corosync traffic though, but it gets more of a concern when you add in pacemaker traffic and/or the CIB grows

Re: [ClusterLabs] About Corosync up to 16 nodes limit

2017-07-05 Thread mlb_1
Is RedHat limit node's number, or corosync's code? At 2017-07-06 11:11:39, "Digimer" wrote: >On 2017-07-05 09:03 PM, mlb_1 wrote: >> Hi: >> I heard corosync-node's number limit to 16? It's true? And Why? >> Thanks for anyone's answer. >> >> >> >>

Re: [ClusterLabs] About Corosync up to 16 nodes limit

2017-07-05 Thread Digimer
On 2017-07-05 09:03 PM, mlb_1 wrote: > Hi: > I heard corosync-node's number limit to 16? It's true? And Why? > Thanks for anyone's answer. > > > > https://specs.openstack.org/openstack/fuel-specs/specs/6.0/pacemaker-improvements.html > > > > * Corosync 2.0 has a lot of

[ClusterLabs] About Corosync up to 16 nodes limit

2017-07-05 Thread mlb_1
Hi: I heard corosync-node's number limit to 16? It's true? And Why? Thanks for anyone's answer. https://specs.openstack.org/openstack/fuel-specs/specs/6.0/pacemaker-improvements.html Corosync 2.0 has a lot of improvements that allow to have up to 100 Controllers.

Re: [ClusterLabs] Fwd: How to Fence Virtualbox VM with Windows 10 as host.

2017-07-05 Thread ArekW
Hi, your suggestion gives me some idea: I got it working eventually with syntax: fence_vbox --ip 10.0.2.2 --username=AW23321 --identity-file=/root/.ssh/id_rsa --plug=centos1 --host-os=windows --action=status --vboxmanage-path="/cygdrive/c/Program\ Files/Oracle/VirtualBox/VBoxManage" I had to put

Re: [ClusterLabs] Problem with stonith and starting services

2017-07-05 Thread Cesar Hernandez
> > >>> >>> But you definitely shouldn't have a fencing-agent that claims to have fenced >>> a node if it is not sure - rather the other way round if in doubt. >> >> > > True! Which is why I mentioned it to be dangerous. > But your fencing-agent is even more dangerous ;-) > > Well.. my

Re: [ClusterLabs] Problem with stonith and starting services

2017-07-05 Thread Klaus Wenninger
On 07/05/2017 04:50 PM, Cesar Hernandez wrote: >> Not a good idea probably - and the reason for what you are experiencing ;-) >> If you have problems starting the nodes within a certain time-window >> disabling startup-fencing might be an option to consider although dangerous. >> But you

Re: [ClusterLabs] Problem with stonith and starting services

2017-07-05 Thread Cesar Hernandez
> Not a good idea probably - and the reason for what you are experiencing ;-) > If you have problems starting the nodes within a certain time-window > disabling startup-fencing might be an option to consider although dangerous. > But you definitely shouldn't have a fencing-agent that claims to

Re: [ClusterLabs] Problem with stonith and starting services

2017-07-05 Thread Klaus Wenninger
On 07/05/2017 04:22 PM, Cesar Hernandez wrote: > >> Are you logging which ones went OK and which failed. >> The script returns negatively if both go wrong? > The script always returns OK Not a good idea probably - and the reason for what you are experiencing ;-) If you have problems starting the

Re: [ClusterLabs] Problem with stonith and starting services

2017-07-05 Thread Cesar Hernandez
> Are you logging which ones went OK and which failed. > The script returns negatively if both go wrong? The script always returns OK ___ Users mailing list: Users@clusterlabs.org http://lists.clusterlabs.org/mailman/listinfo/users Project Home:

Re: [ClusterLabs] Problem with stonith and starting services

2017-07-05 Thread Klaus Wenninger
On 07/05/2017 08:50 AM, Cesar Hernandez wrote: >> Might be kind of a strange race as well ... but without knowing what the >> script actually does ... >> > The script first try to reboot the node using ssh, something like ssh $NODE > reboot -f, then runs a remote reboot using AWS api Are you

Re: [ClusterLabs] Introducing the Anvil! Intelligent Availability platform

2017-07-05 Thread Ken Gaillot
Wow! I'm looking forward to the September summit talk. On 07/05/2017 01:52 AM, Digimer wrote: > Hi all, > > I suspect by now, many of you here have heard me talk about the Anvil! > intelligent availability platform. Today, I am proud to announce that it > is ready for general use! > >

[ClusterLabs] Antw: order configured - restart of the cluster - order dissapeared ???

2017-07-05 Thread Ulrich Windl
>>> "Lentes, Bernd" schrieb am 27.06.2017 um 13:00 in Nachricht <659215068.3650810.1498561202181.javamail.zim...@helmholtz-muenchen.de>: > Hi, > > i configured an order so that a simple virtual machine is started after some > other resources are started. >

Re: [ClusterLabs] Fwd: How to Fence Virtualbox VM with Windows 10 as host.

2017-07-05 Thread Oyvind Albrigtsen
You might have to use "--host-os windows". You can run it with -v for more info about why it's failing. On 05/07/17 10:18 +0200, ArekW wrote: Hi, I managed to run the Pacemaker Cluster From Scratch on two CentOS on VirtualBox. I’m stuck at fence_vbox with similar problem as Durwin’s: The

[ClusterLabs] Antw: Re: ocf_take_lock is NOT actually safe to use

2017-07-05 Thread Ulrich Windl
Hi! Could it be that I pointed out this problem about six years ago? At least I found a locking implementation for OCF RAs dated from 2011. My approach is a bit different, because I use a global MUTEX lock to create the actual lock files inside: --- # Shell functions to support file-based

[ClusterLabs] Antw: Re: ocf_take_lock is NOT actually safe to use

2017-07-05 Thread Ulrich Windl
>>> Dejan Muhamedagic schrieb am 26.06.2017 um 17:05 in Nachricht <20170626150502.GB4588@tuttle.homenet>: > Hi, > > On Wed, Jun 21, 2017 at 04:40:47PM +0200, Lars Ellenberg wrote: >> >> Repost to a wider audience, to raise awareness for this. >> ocf_take_lock may or may not

[ClusterLabs] Fwd: How to Fence Virtualbox VM with Windows 10 as host.

2017-07-05 Thread ArekW
Hi, I managed to run the Pacemaker Cluster From Scratch on two CentOS on VirtualBox. I’m stuck at fence_vbox with similar problem as Durwin’s: The script doesn’t accept the plug parameter: [root@nfsnode1 ~]# fence_vbox --ip 10.0.2.2 --username=AW23321 --identity-file=/root/.ssh/id_rsa

[ClusterLabs] Introducing the Anvil! Intelligent Availability platform

2017-07-05 Thread Digimer
Hi all, I suspect by now, many of you here have heard me talk about the Anvil! intelligent availability platform. Today, I am proud to announce that it is ready for general use! https://github.com/ClusterLabs/striker/releases/tag/v2.0.0 I started five years ago with an idea of building an

Re: [ClusterLabs] Problem with stonith and starting services

2017-07-05 Thread Cesar Hernandez
> Might be kind of a strange race as well ... but without knowing what the > script actually does ... > The script first try to reboot the node using ssh, something like ssh $NODE reboot -f, then runs a remote reboot using AWS api Thanks ___