[ClusterLabs] Ordering Sets of Resources

Ken Gaillot kgaillot at redhat.com
Sun Feb 26 14:04:19 EST 2017

On 02/25/2017 03:35 PM, ivagal at libero.it wrote:
> Hi all,
> i have configured a two node cluster on redhat 7.
> Because I need to manage resources stopping and starting singularly when
> they are running I have configured cluster using order set constraints.
> Here the example
> Ordering Constraints:
>   Resource Sets:
>     set MYIP_1 MYIP_2 MYFTP MYIP_5 action=start sequential=false
> require-all=true set MYIP_3 MYIP_4 MYSMTP action=start sequential=true
> require-all=true setoptions symmetrical=false
>     set MYSMTP MYIP_4 MYIP_3 action=stop sequential=true
> require-all=true set MYIP_5 MYFTP MYIP_2 MYIP_1 action=stop
> sequential=true require-all=true setoptions symmetrical=false kind=Mandatory
> The constrait work as expected on start but when stopping the resource
> don't respect the order.
> Any help is appreciated
> Thank and regards
> Ivan

symmetrical=false means the order only applies for starting

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