RE: Oracle CRS and Split Brin

From: Peter Barnett <regdba_at_yahoo.com>
Date: Tue, 3 Apr 2007 06:16:27 -0700 (PDT)
Message-ID: <557867.12507.qm@web31601.mail.mud.yahoo.com>

Gads, how can anyone actually claim a patent based on this? This could describe almost any handshake technology.

Kevin Closson <kevinc_at_polyserve.com> wrote:

>
>
> Kevin mentioned that in a split brain scenario the
> lower node would
> survive always
>
>
>
> ...It appears as though it is the lowest as per the
> CRS node number, but
> not the lowest IP...but again, I'm likely confusing
> things because the
> formula is not clearly available and we are talking
> about true split
> brain where there is a clean hemispherical split of
> the cluster
> (1/1,2/2). Split brain resolution
> techniques/algorithms are the family
> jewels of clusterware. The way things are these
> days, you generally find
> out more about how they work after they are patented
> as is the case here
> at PolyServe (I mean HP):
>
>
>
> PolyServe 7,148,853
>

<http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PAL
>

L&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=7149853.PN.&OS=P
> N/7149853&RS=PN/7149853>
>
>
>
> 7,148,853 is on of the many algorithms that come
> into play when there
> are cluster meltdowns in a PolyServe cluster.
>
>

Pete Barnett
Lead Database Administrator
The Regence Group
pnbarne_at_regence.com

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Received on Tue Apr 03 2007 - 08:16:27 CDT