Re: Clustering on Linux Was: "Re: New dad (again).."

Clayton Weaver (cgweav@eskimo.com)
Tue, 28 Apr 1998 10:27:02 -0700 (PDT)


This is jargon confusion. Linux clustering is distributed systems that
share enough resources to look like a single operating system instance
to an application.

NT clusters (from a years ago Byte article comparing Netware and NT) are
(or at least were then) something like workgroups, or netbeui subnets,
where a group of workstations (I think 8-10 was the original limit on
cluster size) with local connections to a single NT Adv Server machine
were recognized as a "cluster", with common access rights and local file
sharing, etc. They didn't have to go through NT RAS to access the server.

This was the administrative domain of any single NT server, and was viewed
at the time as a limitation that clearly delineated the appropriate use of
NT servers from the role Netware 4.x servers (with NDS) on a multi-lan
network (the NT servers could be compute/file servers for a cluster of
local workstations with comparable adminstration capability to Netware,
but lacked the enterprise administrative capability of NDS's single view
of a multi-server network).

I don't remember if the article made any mention of unix.

Regards, Clayton Weaver cgweav@eskimo.com (Seattle)

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