Server
Farms
This
section
describes
example
server
farm
topologies
in
which
the
BladeCenter
unit
can
be
deployed.
These
include:
v
Small
server
farm
in
a
central
location
with
one
zone.
v
Large
server
farm
in
a
central
location
with
three
zones.
v
Small
server
farm
in
remote
locations
with
one
zone.
Small
server
farm-central
location-1
zone
In
this
small
server
farm
solution,
two
domain
controllers
have
been
implemented
for
redundancy.
One
of
the
domain
controllers
has
been
implemented
in
one
of
the
blades
with
the
SCSI
option
so
that
RAID
1
capabilities
are
available
for
the
hard
disk
drive.
Implementing
physically
separated
units
for
domain
controllers
reduces
the
risk
of
a
service
outage.
Seven
blades
provide
Citrix
Metaframe
services
to
the
infrastructure.
One
is
designated
as
the
Data
Collector
and
an
additional
blade
is
used
to
install
a
Web
server
and
Citrix
NFuse
to
provide
access
through
the
Web.
A
spare
blade
is
included
in
the
configuration,
which
can
be
used
as:
v
Cold
spare.
The
blade
is
normally
powered
down
and
ready
to
be
imaged
through
RDM
to
replace
any
failing
blade.
v
Oversizing.
The
blade
runs
a
Citrix
server
image,
providing
redundancy
by
adding
more
farm
capacity
than
is
needed
to
actually
sustain
the
workload.
v
Testing.
The
blade
can
be
used
to
test
new
images.
The
remaining
slots
in
the
BladeCenter
unit
are
available
for
future
scalability
or
for
other
purposes
in
the
infrastructure
(such
as
implementing
Secure
Gateway).
Figure
5.
Small
server
farm-central
location-1
zone
26
BladeCenter
Type
8677:
Planning
and
Installation
Guide
Summary of Contents for 8677 - BladeCenter Rack-mountable - Power Supply
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