IBM HS40 User Guide - Page 50

Important, Attention

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blade server. You will then be able to install two 3.5-inch, hot-swap, SCSI, 1-inch (26 mm) slim-high hard disk drives in the expansion unit, for use by the blade server. The SCSI controller in the BladeCenter SCSI storage expansion unit supports embedded mirroring, which is similar to RAID level-1. Important: To avoid potential performance and reliability problems when configuring or replacing drives in a mirrored configuration, make sure that the storage capacities and speeds of the drives are identical. After you install the SCSI storage expansion unit on your blade server, the blade server and expansion unit are a unit that occupies three blade bays in the BladeCenter unit. Attention: To ensure proper cooling and system reliability, make sure that each of the SCSI hard disk drive bays on the SCSI storage expansion unit contains either a hot-swap SCSI hard disk drive or a filler panel. Complete the following steps to install the SCSI storage expansion unit: Note: The illustrations used in this procedure depict the installation process on a BladeCenter HS40 blade server in a BladeCenter Type 8677 unit. These illustrations might differ slightly from your hardware. 1. Read the safety information beginning on page vii and "Installation guidelines" on page 21. 2. Shut down the operating system, turn off the blade server, and remove the blade server from the BladeCenter unit (see "Removing the blade server from the BladeCenter unit" on page 22 for instructions). 3. Carefully lay the blade server on a flat, static-protective surface. 4. Remove the blade server cover (see "Opening the blade server cover" on page 24 for instructions). 5. Locate the blade expansion connector on the processor board and remove the terminator from the connector. Blade expansion connector terminator 6. Before installing the SCSI storage expansion unit, check that all components are installed and seated correctly and that you have not left loose tools or parts inside the blade server. Attention: To help ensure proper cooling and system reliability the air baffle must be correctly positioned and fully seated. 36 BladeCenter HS40 Type 8839: Installation and User's Guide

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blade
server.
You
will
then
be
able
to
install
two
3.5-inch,
hot-swap,
SCSI,
1-inch
(26
mm)
slim-high
hard
disk
drives
in
the
expansion
unit,
for
use
by
the
blade
server.
The
SCSI
controller
in
the
BladeCenter
SCSI
storage
expansion
unit
supports
embedded
mirroring,
which
is
similar
to
RAID
level-1.
Important:
To
avoid
potential
performance
and
reliability
problems
when
configuring
or
replacing
drives
in
a
mirrored
configuration,
make
sure
that
the
storage
capacities
and
speeds
of
the
drives
are
identical.
After
you
install
the
SCSI
storage
expansion
unit
on
your
blade
server,
the
blade
server
and
expansion
unit
are
a
unit
that
occupies
three
blade
bays
in
the
BladeCenter
unit.
Attention:
To
ensure
proper
cooling
and
system
reliability,
make
sure
that
each
of
the
SCSI
hard
disk
drive
bays
on
the
SCSI
storage
expansion
unit
contains
either
a
hot-swap
SCSI
hard
disk
drive
or
a
filler
panel.
Complete
the
following
steps
to
install
the
SCSI
storage
expansion
unit:
Note:
The
illustrations
used
in
this
procedure
depict
the
installation
process
on
a
BladeCenter
HS40
blade
server
in
a
BladeCenter
Type
8677
unit.
These
illustrations
might
differ
slightly
from
your
hardware.
1.
Read
the
safety
information
beginning
on
page
vii
and
“Installation
guidelines”
on
page
21.
2.
Shut
down
the
operating
system,
turn
off
the
blade
server,
and
remove
the
blade
server
from
the
BladeCenter
unit
(see
“Removing
the
blade
server
from
the
BladeCenter
unit”
on
page
22
for
instructions).
3.
Carefully
lay
the
blade
server
on
a
flat,
static-protective
surface.
4.
Remove
the
blade
server
cover
(see
“Opening
the
blade
server
cover”
on
page
24
for
instructions).
5.
Locate
the
blade
expansion
connector
on
the
processor
board
and
remove
the
terminator
from
the
connector.
Blade expansion
connector terminator
6.
Before
installing
the
SCSI
storage
expansion
unit,
check
that
all
components
are
installed
and
seated
correctly
and
that
you
have
not
left
loose
tools
or
parts
inside
the
blade
server.
Attention:
To
help
ensure
proper
cooling
and
system
reliability
the
air
baffle
must
be
correctly
positioned
and
fully
seated.
36
BladeCenter
HS40
Type
8839:
Installation
and
User’s
Guide