[ClusterLabs] 答复: 答复: Could not start only one node in pacemaker

[Klaus Wenninger]

On 05/02/2018 03:59 PM, Klaus Wenninger wrote:
> On 05/02/2018 02:57 PM, Andrei Borzenkov wrote:
>> 02.05.2018 15:37, Jehan-Guillaume de Rorthais пишет:
>>> On Wed, 2 May 2018 05:24:23 +0000
>>> 范国腾 <fanguoteng at highgo.com> wrote:
>>>
>>>> Andrei,
>>>>
>>>> We use the following command to create the cluster:
>>>>
>>>> pcs cluster auth node1 node2 node3 node4 -u hacluster;
>>>> pcs cluster setup --name cluster_pgsql node1 node2 node3 node4;
>>>> pcs cluster start --all;
>>>> pcs property set no-quorum-policy=freeze;
>>>> pcs property set stonith-enabled=true;
>>>> pcs stonith create scsi-stonith-device fence_scsi devices=/dev/mapper/fence
>>>> pcmk_monitor_action=metadata pcmk_reboot_action=off pcmk_host_list="node1
>>>> node2 node3 node4" meta provides=unfencing;
>>>>
>>>>
>>>> Could you please tell how to configure if I want to use only fencing or only
>>>> quorum? Maybe no-quorum-policy=freeze and stonith-enabled=true could not be
>>>> set at the same time?
>>> You can not run without fencing. Period. Quorum might be optional, but not
>>> fencing. Moreover, yes, they can play together well: you don't have to disable
>>> quorum because you are using fencing.
>>>
>> What exact additional advantage quorum gives you in addition to fencing
>> if you are going to use fencing anyway?
> No fence-races for instance. The quorate-partition is gonna fence
> the non-quorate.

And of course the possibility to do watchdog-fencing.

>
>> _______________________________________________
>> Users mailing list: Users at clusterlabs.org
>> https://lists.clusterlabs.org/mailman/listinfo/users
>>
>> Project Home: http://www.clusterlabs.org
>> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
>> Bugs: http://bugs.clusterlabs.org
> _______________________________________________
> Users mailing list: Users at clusterlabs.org
> https://lists.clusterlabs.org/mailman/listinfo/users
>
> Project Home: http://www.clusterlabs.org
> Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
> Bugs: http://bugs.clusterlabs.org