4.
As
the
Parallel
Sysplex
grows,
add
new
servers
evenly
on
either
side
of
the
central
coupling
facilities.
Central
Coupling
Facilities
= Perforated floor tile
= Cool aisle, 1.22 meters (48 inches) wide
= Exhaust (heated air from equipment)
= 610 mm (24 in) floor tiles
Central
Coupling
Facilities
5.
As
the
Parallel
Sysplex
evolves,
you
may
eventually
exceed
the
7
meter
usable
length
of
ICB
cables
at
the
ends
of
a
two-row
configuration.
At
this
point,
it
may
be
possible
to
add
a
third
and
fourth
row,
using
ISC
links,
which
provide
connectivity
over
greater
distances
than
ICB
links.
With
the
equipment
in
these
new
rows
centered
on
the
original
central
coupling
facilities,
the
Parallel
Sysplex
now
assumes
the
shape
of
a
diamond.
Central
Coupling
Facilities
= Perforated floor tile
= Cool aisle, 1.22 meters (48 inches) wide
= Exhaust aisle, 1.22 meters (48 inches) wide
= 610 mm (24 in) floor tiles
Central
Coupling
Facilities
By
following
these
guidelines,
you
will
be
able
to
configure
a
Parallel
Sysplex,
using
the
minimum
amount
of
floor
space,
that
meets
your
performance
and
availability
objectives.
The
use
of
technology
combinations
-
zSeries
990,
zSeries
900
(both
single
and
double
frame
systems),
zSeries
800,
and
Enterprise
Server
G5/G6
Level
04a,
June
21,
2004
Chapter
7.
Parallel
Sysplex
®
7-3
Summary of Contents for 800
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