Table
11.
ESM
firmware
upgrade
procedures
for
new
EXP100s
ESM
firmware
version
of
the
existing
EXP100s
ESM
firmware
version
of
the
new
(added)
EXP100s
Firmware
upgrade
procedure
for
ESMs
in
the
new
(added)
EXP100
EXP100
R1
ESM
firmware
version
953x
or
earlier
EXP100
R1
ESM
firmware
version
953x
or
earlier
(but
a
different
R1
version
than
the
existing
EXP100s)
In
this
case,
you
have
added
an
EXP100
with
R1
ESM
firmware
version
953x
or
earlier
to
an
EXP100
drive
loop
that
already
contains
EXP100s
with
a
different
level
of
R1
ESM
firmware
version
953x
or
earlier.
It
is
recommended
that
you
upgrade
both
the
controller
firmware
and
ESM
firmware
to
the
EXP100
R3
version
to
enable
EXP100
failover
capability
support.
Please
see
for
more
detailed
instructions
about
the
upgrade
process.
If
you
decide
not
to
upgrade
the
configuration
to
EXP100
R3,
you
still
must
correct
the
ESM
firmware
mismatch,
as
described
in
the
following
steps.
Important:
Perform
this
ESM
firmware
upgrade
during
periods
when
you
are
not
using
the
DS4000.
Schedule
downtime
for
the
upgrade.
If
you
upgrade
the
ESM
firmware
with
I/Os,
drives
might
be
randomly
marked
as
Failed
which
will
cause
the
RAID
arrays
to
fail.
1.
In
the
Subsystem
Management
window,
select
Advanced
→
Download
→
Environmental
(ESM)
card
firmware
.
2.
When
the
Download
Environmental
(ESM)
Card
Firmware
window
opens,
follow
the
online
help
to
download
the
ESM
firmware
to
the
EXP
expansion
enclosure
with
the
new
ESM.
Note:
When
you
specify
the
file
name
of
the
firmware
file
to
download,
you
might
need
to
select
All
Files
in
the
Files
of
type
pull-down
menu
to
display
the
correct
file
name
for
the
ESM
firmware
file.
If
you
do,
then
a
warning
window
opens.
Click
OK
when
the
warning
window
opens
to
continue.
3.
When
the
ESM
firmware
download
completes,
verify
that
the
ESM
firmware
mismatch
error
in
the
Subsystem
Management
window
has
been
corrected.
70
IBM
TotalStorage
DS4000
EXP100
Storage
Expansion
Enclosure:
Installation,
User’s
and
Maintenance
Guide
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Summary of Contents for TotalStorage EXP100
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