Appendix
B.
Upgrading
ESMs
with
the
DS4000
EXP700
Models
1RU/1RX
Switched-ESM
Option
Upgrade
Kit
You
can
upgrade
your
DS4000
EXP700s
with
ESMs
that
have
the
same
internal
switched-ESM
capabilities
as
the
DS4000
EXP710
by
ordering
and
installing
the
DS4000
EXP700
Models
1RU/1RX
Switched-ESM
Option
Upgrade
Kit
(P/N
25R0166).
Attention:
If
you
are
upgrading
more
than
one
DS4000
EXP700
in
a
redundant
drive
loop,
perform
all
the
upgrades
at
the
same
time.
The
upgrade
option
can
be
used
to
upgrade
DS4000
EXP700
storage
expansion
enclosures
that
are
connected
to
DS4400,
DS4500,
and
DS4300
(Turbo
option
only)
storage
servers.
Important
The
upgrade
option
cannot
be
used
to
upgrade
DS4000
EXP700
storage
expansion
enclosures
connected
to
FAStT200
or
FAStT500
storage
servers.
Additionally,
the
upgrade
option
cannot
be
used
to
upgrade
DS4000
EXP700
storage
expansion
enclosures
connected
to
DS4000
storage
servers
that
are
configured
with
drive
loops
that
intermix
FAStT
EXP500
and
DS4000
EXP700
storage
expansion
enclosures.
Attention:
Do
not
dispose
of
the
DS4000
EXP700
ESMs
you
replace
with
the
ESMs
in
the
upgrade
kit.
Refer
to
the
separate
instructions
included
with
the
upgrade
kit
for
return
processing
information
for
the
DS4000
EXP700
ESMs
you
are
replacing.
Switched-ESM
Option
Upgrade
Overview
Upgrade
preparations
requirements
Perform
the
following
tasks
before
you
upgrade
your
DS4000
EXP700s.
1.
Perform
a
full
system
backup
before
the
upgrade.
2.
Save
the
storage
subsystem
profile.
3.
Upgrade
the
DS4000
Storage
Manager
client
host
software
to
version
9.1
or
later
and
the
DS4000
storage
server
controller
firmware
to
version
6.10.xx.xx
or
higher.
4.
The
minimum
DS4000
EXP700
ESM
firmware
requirement
for
intermixing
DS4000
EXP710s
and
EXP700s
is
version
9326.
Verify
that
the
ESM
firmware
for
all
DS4000
EXP700s
is
at
version
9326
or
higher
before
intermixing
DS4000
EXP700s
with
DS4000
EXP710s.
Two
upgrade
methods
are
possible
when
you
perform
the
ESM
upgrade:
v
Cold-case
upgrade
—
The
DS4000
EXP700s
and
connected
storage
server
are
powered
down
when
ESMs
are
replaced.
Note:
The
cold-case
ESM
upgrade
procedure
is
recommended
if
you
are
intermixing
DS4000
EXP700s
and
DS4000
EXP710s
in
the
same
drive
loop
or
if
your
production
environment
allows
the
scheduling
of
downtime
for
maintenance
purposes.
©
Copyright
IBM
Corp.
2005
85
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