Re: [ClusterLabs] staggered resource start/stop

2021-04-06 Thread Klaus Wenninger
On 4/6/21 10:23 AM, d tbsky wrote: Klaus Wenninger Guess that heavily depends on what you are running inside your VMs. If the services inside don't need each other or anything provided by the other cluster-resources (or other way round) or everything is synchronizing independently from the

Re: [ClusterLabs] staggered resource start/stop

2021-04-06 Thread d tbsky
Klaus Wenninger > Guess that heavily depends on what you are running inside your VMs. > If the services inside don't need each other or anything provided by > the other cluster-resources (or other way round) or everything is > synchronizing independently from the cluster ... > What you could

Re: [ClusterLabs] staggered resource start/stop

2021-04-05 Thread Klaus Wenninger
On 3/31/21 11:11 AM, d tbsky wrote: Klaus Wenninger In this case it might be useful not to wait some defined time hoping startup of the VM would have gone far enough that the IO load has already decayed enough. What about a resource that checks for something running inside the VM that

Re: [ClusterLabs] staggered resource start/stop

2021-03-31 Thread d tbsky
Klaus Wenninger > In this case it might be useful not to wait some defined time > hoping startup of the VM would have gone far enough that > the IO load has already decayed enough. > What about a resource that checks for something running > inside the VM that indicates that startup has completed?

Re: [ClusterLabs] staggered resource start/stop

2021-03-30 Thread Reid Wahl
On Mon, Mar 29, 2021 at 10:32 PM Klaus Wenninger wrote: > On 3/29/21 8:44 AM, d tbsky wrote: > > Reid Wahl > >> An order constraint set with kind=Serialize (which is mentioned in the > first reply to the thread you linked) seems like the most logical option to > me. You could serialize a set of

Re: [ClusterLabs] staggered resource start/stop

2021-03-29 Thread Klaus Wenninger
On 3/29/21 8:44 AM, d tbsky wrote: Reid Wahl An order constraint set with kind=Serialize (which is mentioned in the first reply to the thread you linked) seems like the most logical option to me. You could serialize a set of resource sets, where each inner set contains a VirtualDomain

Re: [ClusterLabs] staggered resource start/stop

2021-03-29 Thread d tbsky
Reid Wahl > > An order constraint set with kind=Serialize (which is mentioned in the first > reply to the thread you linked) seems like the most logical option to me. You > could serialize a set of resource sets, where each inner set contains a > VirtualDomain resource and an

Re: [ClusterLabs] staggered resource start/stop

2021-03-29 Thread Reid Wahl
An order constraint set with kind=Serialize (which is mentioned in the first reply to the thread you linked) seems like the most logical option to me. You could serialize a set of resource sets, where each inner set contains a VirtualDomain resource and an ocf:heartbeat:Delay resource. ⁠5.3.1.

[ClusterLabs] staggered resource start/stop

2021-03-28 Thread d tbsky
Hi: since the vm start/stop at once will consume disk IO, I want to start/stop the vm one-by-one with delay. search the email-list I found the discussion https://oss.clusterlabs.org/pipermail/pacemaker/2013-August/043128.html now I am testing rhel8 with pacemaker 2.0.4. I wonder if