В Sun, 2 Nov 2014 20:47:22 +0000 Alex Samad - Yieldbroker <alex.sa...@yieldbroker.com> пишет:
> > > > -----Original Message----- > > From: Digimer [mailto:li...@alteeve.ca] > > Sent: Monday, 3 November 2014 3:26 AM > > To: The Pacemaker cluster resource manager; Alex Samad - Yieldbroker > > Subject: Re: [Pacemaker] stonith q > > > > On 02/11/14 06:45 AM, Andrei Borzenkov wrote: > > > В Sun, 2 Nov 2014 10:01:59 +0000 > > > Alex Samad - Yieldbroker <alex.sa...@yieldbroker.com> пишет: > > > > > >> > > >> > > >>> -----Original Message----- > > >>> From: Digimer [mailto:li...@alteeve.ca] > > >>> Sent: Sunday, 2 November 2014 9:49 AM > > >>> To: The Pacemaker cluster resource manager > > >>> Subject: Re: [Pacemaker] stonith q > > >>> > > >>> On 01/11/14 06:27 PM, Alex Samad - Yieldbroker wrote: > > >>>> Hi > {snip} > > > > > > That hardly makes sense except in pure test environment. Stonith is > > > needed when you do not know state of partner node, in which case you > > > cannot be sure your reboot/shutdown command will be executed, nor that > > > you can reach your partner at all. > > > > > > If you are running under Vmware, use stonith/vmware or stonith/vcenter. > > > > Andrei is correct. A stonith method must be external to the node and work > > regardless of the state of a node. Try this; 'echo c > /proc/sysrq-trigger' > > will > > crash the node. Any stonith method that requires the OS to respond will fail > > and your cluster will hang. > > Yes but vmware will restart the node in that circumstance. > I have had issues with my 2 node cluster where 1 node will remove itself > because of lack of communication. Very hard to track down when it happens > every now and then and only at 1am, I believe because of backup traffic or > because its starved of cpu cycles. > > What I would like to see happen in that situation if for a reboot to be > issued, I know that the node would respond and I know that it would reconnect. > > I read that there was a suicide option module that did what I wanted but its > not available. > > I don't want to setup useid for vmware for each node and configure that. I > just want fenced to do a reboot via the os of the node instead of just > killing cman > > What I am hearing is that its not available. Is it possible to hook to a > custom script on that event, I can write my own restart > Sure you can write your own external stonith script. _______________________________________________ Pacemaker mailing list: Pacemaker@oss.clusterlabs.org http://oss.clusterlabs.org/mailman/listinfo/pacemaker Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
