Note:
Do
not
remove
the
mapping
of
the
logical
drive
named
“Access,”
if
it
is
defined.
5.
Disconnect
the
Fibre
Channel
connections
to
the
DS4000
host
ports,
using
one
of
the
following
methods:
v
Physically
unplug
the
Fibre
Channel
cable
connectors
from
the
SFP
sockets.
v
Set
the
Fibre
Channel
switch
ports
to
an
Offline
state.
6.
Place
the
DS4000
arrays
in
an
Offline
state.
Note:
If
you
use
methods
or
the
programs,
services
or
processes
that
use
the
logical
drives
might
go
into
a
Failed
state
because
they
cannot
access
the
logical
drives.
Verify
that
I/O
has
stopped
You
need
to
make
sure
that
I/O
has
stopped
before
you
continue.
Complete
the
following
steps
to
verify
that
I/O
has
stopped:
1.
Open
the
Enterprise
Management
window
of
the
Storage
Manager
Client
for
the
DS4000
subsystem
that
you
want
to
upgrade.
2.
In
the
Enterprise
Management
window,
right-click
the
name
of
the
DS4000
that
you
want
to
upgrade,
and
select
Manage
Device
.
The
Subsystem
Management
window
opens.
3.
In
the
Subsystem
Management
window,
select
Storage
Subsystem
–>
Monitor
Performance
.
The
Performance
Monitor
window
opens.
4.
In
the
Performance
Monitor
window,
click
Start
to
start
monitoring.
5.
Wait
a
minimum
of
15
minutes,
then
check
the
Performance
Monitor
window.
In
the
Total
I/O
column,
you
should
see
values
of
0,
or
values
less
than
10.
If
there
is
any
I/O,
go
back
to
Stop
I/O
and
choose
a
different
method
of
stopping
I/O.
Save
the
storage
subsystem
profile
Saving
a
profile
is
necessary
to
restore
a
storage
subsystem
configuration
in
the
event
of
a
catastrophic
failure.
Save
your
storage
subsystem
profile
by
completing
the
following
steps:
1.
In
the
Subsystem
Management
Menu,
select
View
→
Storage
Subsystem
Profile
.
The
Storage
Subsystem
Profile
window
opens.
2.
In
the
Storage
Subsystem
Profile
window,
click
Save
As
.
The
Save
Profile
window
opens.
3.
In
the
Save
Profile
window,
select
or
enter
the
file
directory
and
file
name.
Click
Save
to
save
the
profile.
The
Save
Profile
window
closes.
Important:
Do
not
store
DS4000
profiles
in
the
same
location
as
the
logical
drives
that
are
defined
on
your
DS4000.
If
you
do,
and
the
logical
drives
fail
during
the
subsequent
migration,
you
will
lose
data.
4.
Click
Close
to
close
the
Storage
Subsystem
Profile
window.
Verify
current
firmware
levels
Verify
that
the
DS4000
controller
firmware
and
NVSRAM
are
at
the
levels
that
are
listed
in
If
they
are
not,
go
to
the
following
Web
site
and
download
the
current
levels:
http://www-1.ibm.com/servers/storage/support/disk/
110
IBM
TotalStorage
DS4000
EXP100
Storage
Expansion
Enclosure:
Installation,
User’s
and
Maintenance
Guide
Summary of Contents for TotalStorage EXP100
Page 2: ......
Page 187: ......
Page 188: ... Part Number 39M5947 Printed in USA GC26 7694 01 1P P N 39M5947 ...