[cgl_discussion] (no subject)

Steven Dake sdake at mvista.com
Thu Feb 5 10:42:40 PST 2004


It is possible to support fail-over clusters using the current spec. 
The spec does or will require the SA Forum APIs which cover stateful
application failover using AMF (Availability Management Framework), CKPT
(checkpointing), and CLM (Cluster Membership) APIs of the SA Forum AIS. 
If you want the spec for these APIs, examine www.saforum.org/download


On Thu, 2004-02-05 at 03:24, Jörg Hartmann wrote:
> Hi there,
> you're defining carrier grade and data center Linuxes, and supposedly this
> includes fail-over clusters. But at least I could not find anything that
> goes beyond hardware- and data (path)-redundancy, althought software
> problems are the most common source of trouble (and so software redundancy
> is the most important solution).
> How about two (or three) API-compatible systems based on various (redundant)
> source codes which could be integrated into a really software-redundant
> failover cluster? This would be a real benifit.
> Yours,
> Joerg Hartmann,
> AQUILA Co-op, Potsdam/Germany
> P.S.: Of course, complete software redundancy would also mean two different
> kernels. But since there's (Free)BSD that shouldn't be a problem.
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