Re: [Pgcluster-general] PostgreSQL Documentation of

[Bruce Momjian <bruce(at)momjian(dot)us>]

Markus Schiltknecht wrote:
> In the very same paper, they define what a Cluster is for them: "A
> cluster is a group of independent servers that cooperate as a single
> system. The primary cluster components are processor nodes, a cluster
> interconnect, and a shared disk subsystem. The clusters share disk
> access and resources that manage data, but the distinct hardware cluster
> nodes do not share memory."
> 
> Thus, Oracle RAC seems to be a shared disk solution. Only in conjunction
> with their OCFS, you could probably call it a shared-nothing solution,
> but it's certainly not a shared-memory thing.
> 
> I'd vote for explaining these terms in the PostgreSQL documentation, as
> there seems to be a lot of confusion regarding these terms.

OK, but how does explaining the terms help our users?

-- 
  Bruce Momjian   bruce(at)momjian(dot)us
  EnterpriseDB    http://www.enterprisedb.com

  + If your life is a hard drive, Christ can be your backup. +