On Wed, Sep 13, 2006 at 12:28:23PM +0200, Michael Schuster wrote:
> Mathias F wrote:
> >Well, we are using the -f parameter to test failover functionality.
> >If one system with mounted ZFS is down, we have to use the force to mount 
> >it on the failover system.
> >But when the failed system comes online again, it remounts the ZFS without 
> >errors, so it is mounted simultanously on both nodes....

This is used on a regularly basis within cluster frameworks...

> ZFS currently doesn't support this, I'm sorry to say. *You* have to make 
> sure that a zpool is not imported on more than one node at a time.

Why not using a real cluster-software as "*You*", taking care of using
resources like a filesystem (ufs, zfs, others...) in a consistent way?

I think ZFS does enough to make shure not accidentially using 
filesystems/pools from more then one hosts at a time. If you 
want more, please consider using a cluster-framework with heartbeats 
and all that great stuff ...


Regards,
Thomas

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