HP Surestore E HVD10, Service Manual

Page: 107 / 172

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107
T
rouble
sho
o
ting
Alarm sounds
when BCC is
inserted BCC and
system fault
LEDs flash Internal or external DIP switches on the new BCC do not match
the DIP switch settings on the installed BCC.
EMS reports
critical errors Disk module
LED is on or
off Use diagnostic utilities (STM or Sysdiag) to determine disk status.
Depending on the results, monitor or replace disk module.
IOSCAN (HP-
UX) lists disk
as NO_HW, or
Mapper or
DSTAT ALL
(MPE/iX) lists
no device type On or off – Disk module is faulty. Replace.
– Backplane is faulty. Replace.
– If the all disks on the bus have this problem, the cable is faulty.
Replace the cable.
– If all disks in the disk system have this problem, the BCC is
faulty. Replace the BCC.
SCSI cable is
connected but
corresponding
LED is off Bus active
LED is off – The host is not on.
– The disk system is connected in an invalid configuration.
Reconnect in a valid configuration (see chapter 3).
– The HBA is faulty. Troubleshoot the HBA.
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Problem
Description LED
State
Probable Cause/Solution