Re: Oracle CRS and Split Brin

Hi Kevin

What are the voting disk roles in a split brain scenario?

Thanks

On 3/29/07, 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=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=7149853.PN.&OS=PN/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.
>

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