[ClusterLabs] dont (re)start a ressource if there is already running

[Ken Gaillot]

On Wed, 2017-11-01 at 16:30 +0100, Stefan Krueger wrote:
> Hello,
> 
> I've a configuration where 2nfs servers are running on different
> nodes and if one node goes down move a ressources to the other one,
> but dont try to restart the ressource, because it is already running.
> 
> My config looks like this:
> node 1084815873: zfs-serv1
> node 1084815874: zfs-serv2
> primitive HA_IP-Serv1 IPaddr2 \
>         params ip=172.16.101.70 cidr_netmask=16 \
>         op monitor interval=20 timeout=30 on-fail=restart nic=bond0 \
>         meta target-role=Started
> primitive HA_IP-Serv2 IPaddr2 \
>         params ip=172.16.101.74 cidr_netmask=16 \
>         op monitor interval=10s nic=bond0
> primitive nc_storage ZFS \
>         params pool=nc_storage importargs="-d /dev/disk/by-
> partlabel/"
> primitive nfs-serv1 systemd:nfs-server \
>         op monitor interval=5s
> primitive nfs-serv2 systemd:nfs-server \
>         op monitor interval=5s
> primitive vm_storage ZFS \
>         params pool=vm_storage importargs="-d /dev/disk/by-
> partlabel/"
> colocation compl_zfs-serv1 +inf: HA_IP-Serv1 nc_storage nfs-serv1
> colocation compl_zfs-serv2 +inf: HA_IP-Serv2 vm_storage nfs-serv2
> order start_serv1 nfs-serv1:start nc_storage:start HA_IP-Serv1:start
> symmetrical=false
> order start_serv2 nfs-serv2:start vm_storage:start HA_IP-Serv2:start
> symmetrical=false
> order stop_serv1 HA_IP-Serv1:stop nfs-serv1:stop nc_storage:stop
> symmetrical=false
> order stop_serv2 HA_IP-Serv2:stop nfs-serv2:stop vm_storage:stop
> symmetrical=false
> property cib-bootstrap-options: \
>         have-watchdog=false \
>         dc-version=1.1.16-94ff4df \
>         cluster-infrastructure=corosync \
>         cluster-name=debian \
>         no-quorum-policy=ignore \
>         default-resource-stickiness=100 \
>         stonith-enabled=false \
>         last-lrm-refresh=1509546667
> 
> So is it possible to check if the ressource nfs is already running on
> the other node?
> 
> best regards
> stefan

It sounds like you want a clone rather than two resources.
-- 
Ken Gaillot <kgaillot at redhat.com>