[Gluster-users] Replication not working on server hang

[Zenaan Harkness]

On Sun, Aug 30, 2009 at 01:00:13AM -0700, Anand Avati wrote:
> > I'm wondering if there's some way for glusterfs to detect the flaws of the
> > underlying operating system.  I believe there's no bug-free file systems in
> > the universe, so I believe it is the job of the glusterfs developer to
> > specify which underlying filesystem is tested and supported.  It's not good
> > to simply say that glusterfs works on all real-world approximations to an
> > imaginary bug-free posix  filesystem.
> 
> I would be genuinely interested to know about another project which is
> geared up to be resilient against kernel hangs so that we can borrow
> some ideas on how to reliably detect kernel soft lockups or syscall
> hangs. As far as I know, even mature projects like Apache have not
> bothered fixing such hangs (or even detecting this kind of underlying
> OS flaw).

Check out heartbeat, and the rest (perhaps you knew of this):
http://www.linux-ha.org/

cheers
zenaan

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