Link Rate switch
77025-01
(2 Gbps or 4 Gbps)
Figure
53.
Link
rate
switch
5. Change the Link Rate switch setting.
a. Put on antistatic protection.
b. Use a small screwdriver or the tip of a ball point pen to slide the Link Rate
switch to the left or right to set the desired fibre channel operating speed.
Attention:
Although the Link Rate LED indicates the correct speed
setting, the link rate speed does not change until after you cycle power to
the storage expansion enclosure.
6. Repeat step 3 on page 103 through step 5 for all of the EXP810 enclosures in
the DS4000 configuration.
7. Perform the power-on sequence as described in “Turning on the EXP810 ” on
page 69.
8. Check the indicator lights on the front and back of all of the storage subsystem
and expansion drive modules. All the green indicator LEDs should be on, and
the amber indicator LEDs should be off. (No LEDs are displayed on blank
drives.)
9. Are
only
the green indicator LEDs on?
v
Yes
- The drive is working correctly.
v
No
- If an amber Fault indicator LED is on, go to 10.
10. Diagnose and correct the fault by completing the following steps:
a. To run the Recovery Guru, select the Recovery Guru toolbar button in the
Subsystem Management Window.
b. Complete the recovery procedure.
c. When the procedure is completed, rerun the Recovery Guru to ensure that
the problem has been corrected by selecting
Recheck
in the Recovery
Guru.
11. If the problem persists, contact IBM Customer and Technical Support.
Replacing
an
ac
power
supply
and
fan
unit
Statement
5:
CAUTION:
The
power
control
button
on
the
device
and
the
power
switch
on
the
power
supply
do
not
turn
off
the
electrical
current
supplied
to
the
device.
The
device
also
might
have
more
than
one
power
cord.
To
remove
all
electrical
current
from
the
device,
ensure
that
all
power
cords
are
disconnected
from
the
power
source.
104
IBM System Storage DS4000 EXP810 Storage Expansion Enclosure: Installation, User’s and Maintenance Guide
Summary of Contents for DS4000 EXP810
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