[ClusterLabs] Antw: Why do clusters have a name?

[Andrew Price]

On 27/03/2019 21:27, Valentin Vidic wrote:
> On Wed, Mar 27, 2019 at 08:13:07AM +0100, Ulrich Windl wrote:
>> Seems to be traditional. Maybe it's just to create some namespace.
> 
> Yes, I think GFS2 and OCFS2 store cluster name in FS metadata.
> If the cluster name changes they might not mount anymore:
> 
> https://access.redhat.com/solutions/18430
> 

If the Filesystem resource agent was smarter it could figure out the 
cluster name when it's enabled and use the -o 
locktable=clustername:fsname mount option, but that has its own set of 
drawbacks of course.

Andy