> >>> But that can't work. corosync (when using cman) needs cluster.conf
> to
> >>> start up. So if the filesystem depends on corosync you have a
> catch-
> >> 22
> >>> situation: the filesystem can't be mounted because corosync isn't
> >>> running
> >>
> >> That is no problem. You can mount the filesystem, but it is read-
> only
> >> as long as the node does not have quorum.
> >
> > This is possible because it is a distributed filesystem, and each
> node
> > has all data locally (as opposed to shared filesystems).
> >
> 
> 
> Nice.
> 
> It's similar to what VMS does to read node & cluster configuration, it
> mounts the filesystem readonly, gets the config, dismounts it and
> continues booting. I did once suggest something like that but it wasn't
> liked for some reason.

The only problem I see is that you can't modify anything when you do not
have quorum. So it must be possible to overwrite setting somehow - either by
specifying environment variables, or read a second config file stored locally.

What other problems can arise?

- Dietmar

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