[ClusterLabs] Antw: [EXT] Question: How can i group 2 resources together

[Ulrich Windl]

>>> "Ben .T.George" <bentech4you at gmail.com> schrieb am 10.02.2021 um 20:28 in
Nachricht
<CA+C_GOVfVM10JGYUOueZPateNSOzjbFrHyuyYcWjF8HSJ88snw at mail.gmail.com>:
> HI
> 
> i have 2 resources and i would like configure in such a way that both
> should always run from same node,

"from" == "on"?

see "colocation" constraints.

> 
> also is it safe to give below values for 2 node cluster:
> 
> pcs resource defaults migration-threshold=1
> pcs property set no-quorum-policy=ignore
> 
> 
> below is my pcs config:
> ---------------------------------------------
> Cluster Name: EMS
> Corosync Nodes:
>  zkwemsapp01.example.com zkwemsapp02.example.com
> Pacemaker Nodes:
>  zkwemsapp01.example.com zkwemsapp02.example.com
> 
> Resources:
>  Group: ems_rg
>   Resource: ems_vip (class=ocf provider=heartbeat type=IPaddr2)
>    Attributes: cidr_netmask=24 ip=10.96.11.39
>    Meta Attrs: resource-stickiness=1
>    Operations: monitor interval=30s (ems_vip-monitor-interval-30s)
>                start interval=0s timeout=20s (ems_vip-start-interval-0s)
>                stop interval=0s timeout=20s (ems_vip-stop-interval-0s)
>   Resource: ems_app (class=systemd type=ems-app)
>    Meta Attrs: resource-stickiness=1
>    Operations: monitor interval=60 timeout=100 (ems_app-monitor-interval-60)
>                start interval=0s timeout=40s (ems_app-start-interval-0s)
>                stop interval=0s timeout=40s (ems_app-stop-interval-0s)
> 
> Stonith Devices:
>  Resource: ems_vmware_fence (class=stonith type=fence_vmware_soap)
>   Attributes: ip=10.151.37.110 password=gfghfghfghfghfgh
> pcmk_host_map=zkwemsapp01.example.com:ZKWEMSAPP01;zkwemsapp02.example.com:ZK
> WEMSAPP02
> ssl_insecure=1 username=domain\redhat.fadmin
>   Operations: monitor interval=60s (ems_vmware_fence-monitor-interval-60s)
> Fencing Levels:
>   Target: zkwemsapp01.example.com
>     Level 1 - ems_vmware_fence
>   Target: zkwemsapp02.example.com
>     Level 1 - ems_vmware_fence
> 
> Location Constraints:
> Ordering Constraints:
> Colocation Constraints:
> Ticket Constraints:
> 
> Alerts:
>  No alerts defined
> 
> Resources Defaults:
>  resource-stickiness=1000
> Operations Defaults:
>  No defaults set
> 
> Cluster Properties:
>  cluster-infrastructure: corosync
>  cluster-name: EMS
>  dc-version: 2.0.2-3.el8-744a30d655
>  have-watchdog: false
>  last-lrm-refresh: 1612951127
>  symmetric-cluster: true
> 
> Quorum:
>   Options:
> ----------------------------------------------
> 
> Regards,
> Ben