> > > > The problem here is that the filesystem implementation inside the
> > kernel can't use lock files to synchronize access to directories and
> > metadata. Your filesystem would quickly become garbage if
> two systems
> > are trying to update the same filesystem at the same time.
>
> Very true. People have suggested SGI CXFS and Veritas
> SANpoint Foundation
> Suite HA to work around this.
In Solaris, at least in Sun Cluster configs, there is also the
Global Filesystem, which appears to do similiar things.
Please correct me if I'm wrong. :-)