[ClusterLabs] Vagrantfile for Clusters_from_Scratch 1.1-pcs tutorial

[Andrei Borzenkov]

В Tue, 4 Aug 2015 14:26:32 +1000
Andrew Beekhof <andrew at beekhof.net> пишет:

> 
> Having said that, you don’t need the shared disk side of things to get some benefit from sbd (yes, i know how strange that sounds).
> On Fedora/RHEL/CentOS (speaking of which, CentOS 7 would be a much better target than Fedora) you just need a functioning watchdog device (most virt frameworks offer one).
> 
> Then on each node:
> - stop the cluster
> - install the sbd package
> - configure the following in /etc/sysconfig/sbd
> 
> SBD_DELAY_START=no
> SBD_PACEMAKER=yes
> SBD_STARTMODE=clean
> SBD_WATCHDOG_DEV=/dev/watchdog
> 
> - if 'uname -n’ is not the same as the name by which the cluster knows your node, add:
> 
> SBD_OPTS=“-n ${the_uname_from_cib}”
> 
> - enable sbd to start: systemctl enable sbd
> 
> Once this is complete on all nodes, start that cluster again.
> 

Hmm ... am I right that this won't work with 2 node cluster as it cannot
retain quorum on node failure?