Hi Yao,
If one controller remains available at a separate node then the given
scenario will work fine.
Going detailed:
1. If Node 1 and Node 2 are controllers and Node 1 reboots, the scenario works
fine.
2. If Node 1 and Node 2 are payloads (Of course, there is one controller in
the cluster at Node X), then the scenario works fine.
3. If Node 1 is payload and Node 2 is controller and Node 1 reboots, then the
scenario works fine.
4. If Node 1 is controller and Node 2 is payload and Node 1 reboots(and there
is one another controller in the cluster), then the scenario works fine.
5. If Node 1 is controller and Node 2 is payload and Node 1 reboots(and there
is no other controller in the cluster), then the scenario will not work as
OpenSAF cluster requires one controller.
Thanks
-Nagu
> -----Original Message-----
> From: Yao Cheng LIANG [mailto:[email protected]]
> Sent: 09 December 2014 17:37
> To: piyush jaiswal; [email protected]
> Subject: [users] multiple-node simultaneous failure handling
>
> Dear all,
>
> I am now applying OpenSAF to a cloud environment. I have two physical nodes,
> on each node, there are a few virtual machine. Please see diagram below:
>
> vm name on physical node 1+1 protected by vm on physical
> node
> -------------------------------------------------------------------------
> ----------------------
> vm1 physical node 1 vm2
> physical node 2
> vm3 physical node 1 vm4
> physical node 2
> vm5 physical node 1 vm6
> physical node 2
> vm7 physical node 1 vm8
> physical node 2
>
> so app1 on vm1 in protecte by the same app on vm2, app3 on vm3 is protected
> by the same app on vm4, ..
>
> My question is when I reboot physical node 1, can opensaf handle the
> simultaneous failure of vm1/3/5/7, and failover to vm2/4/6/8.
>
> Thanks.
>
> Ted
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