Re: [ClusterLabs] Pacemake/Corosync good fit for embedded product?

2018-04-12 Thread Klaus Wenninger
On 04/12/2018 04:37 AM, David Hunt wrote: > Thanks Guys, > > Ideally I would like to have event driven (rather than slower polled) > inputs into pacemaker to quickly trigger the fall over. I assume > adding event driven inputs to pacemaker isn't straightforward? If it > was possible to add event

Re: [ClusterLabs] Pacemake/Corosync good fit for embedded product?

2018-04-11 Thread David Hunt
Thanks Guys, Ideally I would like to have event driven (rather than slower polled) inputs into pacemaker to quickly trigger the fall over. I assume adding event driven inputs to pacemaker isn't straightforward? If it was possible to add event inputs to pacemaker is pacemaker itself fast enough?

Re: [ClusterLabs] Pacemake/Corosync good fit for embedded product?

2018-04-11 Thread Klaus Wenninger
On 04/11/2018 10:44 AM, Jan Friesse wrote: > David, > >> Hi, >> >> We are planning on creating a HA product in an active/standby >> configuration >> whereby the standby unit needs to take over from the active unit very >> fast >> (<50ms including all services restored). >> >> We are able to do

Re: [ClusterLabs] Pacemake/Corosync good fit for embedded product?

2018-04-11 Thread Jan Friesse
David, Hi, We are planning on creating a HA product in an active/standby configuration whereby the standby unit needs to take over from the active unit very fast (<50ms including all services restored). We are able to do very fast signaling (say 1000Hz) between the two units to detect

[ClusterLabs] Pacemake/Corosync good fit for embedded product?

2018-04-10 Thread David Hunt
Hi, We are planning on creating a HA product in an active/standby configuration whereby the standby unit needs to take over from the active unit very fast (<50ms including all services restored). We are able to do very fast signaling (say 1000Hz) between the two units to detect failures so