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IBM Partner Pavilion DS4100 Benutzerhandbuch

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Chapter
 
4.
 
Operating
 
the
 
storage
 
server
 
To
 
ensure
 
optimal
 
operation
 
of
 
your
 
system,
 
always
 
follow
 
these
 
best
 
practices
 
guidelines:
 
v
   
Back
 
up
 
the
 
data
 
on
 
your
 
storage
 
drives
 
periodically.
 
v
   
DS4100
 
base
 
storage
 
server
 
only:
 
To
 
maintain
 
power
 
redundancy,
 
plug
 
the
 
storage
 
server’s
 
right
 
and
 
the
 
left
 
power
 
supplies
 
into
 
two
 
independent
 
external
 
power
 
circuits
 
through
 
ac
 
distribution
 
units
 
inside
 
a
 
rack
 
cabinet
 
or
 
directly
 
into
 
external
 
receptacles.
 
Similarly,
 
the
 
right
 
and
 
left
 
power
 
supplies
 
of
 
the
 
DS4000
 
storage
 
expansion
 
units
 
attached
 
to
 
the
 
DS4100
 
should
 
be
 
plugged
 
into
 
the
 
same
 
two
 
independent
 
external
 
power
 
circuits
 
as
 
the
 
DS4100.
 
This
 
ensures
 
that
 
the
 
DS4100
 
and
 
all
 
its
 
attached
 
storage
 
expansion
 
units
 
will
 
have
 
power
 
if
 
only
 
one
 
power
 
circuit
 
is
 
available.
 
In
 
addition,
 
having
 
all
 
the
 
right
 
or
 
all
 
the
 
left
 
power
 
supplies
 
plug
 
into
 
the
 
same
 
power
 
circuit
 
will
 
enable
 
the
 
components
 
in
 
the
 
storage
 
subsystem
 
to
 
power
 
on
 
simultaneously
 
during
 
an
 
unattended
 
restoration
 
of
 
power.
 
See
 
for
 
an
 
example
 
of
 
redundant
 
power
 
connections.
 
v
   
Before
 
any
 
planned
 
system
 
shutdown
 
or
 
after
 
any
 
system
 
additions,
 
removals,
 
or
 
modifications
 
(including
 
logical
 
drive
 
creations,
 
storage
 
partitioning
 
definitions,
 
hardware
 
changes,
 
and
 
so
 
on),
 
save
 
the
 
storage
 
subsystem
 
profile
 
as
 
explained
 
in
 
the
 
DS4000
 
Storage
 
Manager
 
guide
 
for
 
your
 
operating
 
system.
 
Save
 
the
 
profile
 
in
 
a
 
location
 
other
 
than
 
the
 
logical
 
drives
 
created
 
for
 
the
 
DS4100
 
storage
 
server.
 
v
   
Ensure
 
that
 
your
 
system
 
is
 
in
 
an
 
optimal
 
state
 
before
 
you
 
shut
 
it
 
down.
 
Never
 
turn
 
the
 
power
 
off
 
if
 
any
 
fault
 
light
 
is
 
lit;
 
be
 
sure
 
to
 
resolve
 
any
 
error
 
conditions
 
before
 
you
 
shut
 
down
 
the
 
system.
 
v
   
During
 
any
 
maintenance
 
or
 
attended
 
power-up
 
procedure,
 
carefully
 
follow
 
the
 
power-up
 
sequence
 
listed
 
in
 
You
 
should
 
check
 
that
 
each
 
component
 
of
 
the
 
subsystem
 
is
 
powered-on
 
in
 
the
 
proper
 
order
 
during
 
this
 
entire
 
power-up
 
procedure
 
to
 
ensure
 
that
 
the
 
controller
 
will
 
optimally
 
access
 
all
 
of
 
your
 
storage
 
subsystems.
 
v
   
The
 
storage
 
subsystem
 
supports
 
simultaneous
 
power-up
 
to
 
the
 
system
 
components;
 
however,
 
you
 
should
 
always
 
follow
 
the
 
power-up
 
sequence
 
listed
 
in
 
during
 
any
 
attended
 
power-up
 
procedure.
 
v
   
A
 
storage
 
system
 
in
 
an
 
optimal
 
state
 
should
 
recover
 
automatically
 
from
 
an
 
unexpected
 
shutdown
 
and
 
unattended
 
simultaneous
 
restoration
 
of
 
power
 
to
 
system
 
components.
 
After
 
power
 
is
 
restored,
 
call
 
IBM
 
support
 
if
 
any
 
of
 
the
 
following
 
conditions
 
occur:
 
–
   
The
 
storage
 
subsystem
 
logical
 
drives
 
and
 
arrays
 
are
 
not
 
displayed
 
in
 
the
 
DS4000
 
Storage
 
Manager
 
graphical
 
user
 
interface
 
(GUI).
 
–
   
The
 
storage
 
subsystem
 
logical
 
drives
 
and
 
arrays
 
do
 
not
 
come
 
online.
 
–
   
The
 
storage
 
subsystem
 
logical
 
drives
 
and
 
arrays
 
seem
 
to
 
be
 
degraded.
Turning
 
the
 
storage
 
server
 
on
 
and
 
off
 
This
 
section
 
contains
 
instructions
 
for
 
turning
 
the
 
storage
 
server
 
on
 
and
 
off
 
under
 
normal
 
and
 
emergency
 
situations.
 
If
 
you
 
are
 
turning
 
on
 
the
 
storage
 
server
 
after
 
an
 
emergency
 
shutdown
 
or
 
power
 
outage,
 
see
 
 
©
 
Copyright
 
IBM
 
Corp.
 
2004
 
65