HP StorageWorks ExDS9100c SAS controller customer self repair instructions (496785-001, November 2008)

Verifying component failure
• Check the SAS controller LED on the rear of the chassis. If the LED
is amber, it indicates a failure.
• Check for an error code on the seven-segment display on the rear of
the chassis and take appropriate action. Error codes are described
in Error codes.
IMPORTANT:
BecausethisdeviceispartoftheExDS9100solution,seethe
ExDS9100 administration guide for additional information.
Error codes
The seven-segment display indicates Power On Self Test (POST) and
system status information. During normal operation, the display will
read “on.”
Error codes consist of four character, but only two characters are
displayed at a time. Pressing the up or down arrow button on the
seven-segment display shows the remaining characters.
The first character represents the domain code:
• C—Configuration error
• F—Firmware error
• H—Hardware error
The second character indicates the controller signalling the error:
• 1—Controller 1
• 2—Controller 2
The third and fourth characters indicate the specific error on the
controller: (Displayed by pressing the up or down arrow button on
the seven-segment display.)
Table 1 Hardware
error codes
Error code
Description Action
Hn00–Hn29
Hardware
error—Control
ler
error
Log error, cont
act
HP support, rep
lace
indicated con
troller.
Hn30
Hardware
error—Fatal ECC
error
Log error, contact
HP support, replace
cache module.
Hn31 – 6 6
Hardware
error—Controller
error
Log error, contact
HP support, replace
controller.
Hn67
Hardware
error—SAS
expander error
Log error, contact
HP support,
verify
cabling. If
error
persists,
replace
controlle
r.
Preparation
1. Ensure that a known, good backup of the data is available.
2. Schedule a maintenance window.
3. From the servers, stop all access to the enclosure.
nl
(Optionalindualcontrollerconfigurations.)
Step 1: Removing the failed controller
CAUTION:
Never remove a SAS controller from the chassis while the
controller status LED is green. Removing an active SAS controller
(green LED) can result in data loss.
1. From the servers, stop all access to the enclosure.
nl
(Optio
nalindualcontrollerconfigurations.)
2. Label
each SAS cable connected to the ExDS9100c SAS controller
with i
ts port number. This ensures proper re-connection after
compl
eting the replacement.
3. Remove the SAS cables from the SAS controller.
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