Lars Marowsky-Bree wrote:
On 2007-11-27T06:35:36, Aaron Kulkis <[EMAIL PROTECTED]> wrote:
Clustering just makes use of the normally unused
"a" "b" and "c" runlevels.
That's a very special example of clustering. I've never seen a cluster
product which did; which one do you have in mind?
I should have said that a very old method was by
using the a, b, and c runlevels.
Every clustering product I've ever seen has been an
expansion of the regular run-levels, basically adding
a "cluster-state" on top of the run-level state.
For a two-host cluster, you can
completely implement the cluster
with runlevels a, b, and c.
Run level a for normal cluster operations.
Run level b for when the other host is down.
Run level c for deliberately leaving the cluster.
Certainly an interesting approach, yes.
It's a very, very old method.
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