IBM System Storage DS3300, Installation, User'S, And Maintenance Manual

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Table 5. Troubleshooting (continued)
Problem
indicator
Component Possible cause Possible solutions
One or more
green LEDs are
off Power supplies Power cable is
disconnected or
switches are turned
off Make sure that the power cord is
connected and that the switches
are turned on.
All drives Midplane failure Replace the DS3300. Contact
your IBM technical-support
representative.
Several
components Hardware failure Replace the affected
components. If this does not
correct the problem, replace the
RAID controllers. Contact your
IBM technical-support
representative.
The DS3300 was
not powered-on, or
all SAS cable
connections
between the storage
expansion
enclosures and the
DS3300 storage
subsystem failed. Perform one of the following
actions:
v Power-on the storage
subsystem.
v
Make sure that the SAS cable
connections between the
storage expansion enclosures
and the DS3300 storage
subsystem are made.
Front panel Power supply
problem Make sure that the power cables
are connected and that the power
supplies are turned on.
Hardware failure If any other LEDs are lit, replace
the midplane. Contact your IBM
technical-support representative.
Green LED is
flashing slowly
(once every 2
seconds) Drives The DS3300 was
not powered-on, or
all SAS connections
between the storage
expansion
enclosures and the
DS3300 storage
subsystem have
failed. Perform one of the following
actions:
v
Power-on the storage
subsystem.
v Make sure that the SAS
connections between the
storage expansion enclosures
and the DS3300 storage
subsystem are made.
v
Make sure that all the storage
expansion enclosures in the
same channel pair have the
same enclosure speed setting.
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System Storage DS3300 Storage Subsystem: Installation, User’s, and Maintenance Guide