The
ProLiant DL380 G3 server requires that both primary and redundant fans
exist in a specific configuration in order to perform optimally. Any
deviation from the specified configuration will cause one of the above
error messages to occur and the internal Health LED to illuminate. In a
ProLiant DL380 G3 server without the redundant fan option, the server
will shut down after the error message is displayed. In a server with
the redundant fan option, the internal Health LED will illuminate and
the appropriate error message regarding fan redundancy will be
displayed. The purpose of this document is to detail the required
configuration for both primary and redundant fans.
DETAILS
Both primary and
redundant fans in the ProLiant DL380 G3 server must be configured to
meet specific requirements in order to avoid the error messages above
and in some instances, subsequent shutdown of the server.
All primary fan
locations (2, 4, 5, 6 and 7) must be populated with a fan before the
redundant fan locations (1, 3, or 8) are populated. If a primary fan
location is left unpopulated, the server will display one or more of
the error messages shown above. In addition, the internal Health LED
(the top LED on the front panel of the server) will display the status
of the fans.
When the redundant fan
option is used, all redundant fan locations must be populated. ProLiant
servers do not support partial population of redundant fans. If any
redundant fan location is populated without also populating all other
redundant fan locations in the server, the fan system will not be fully
redundant and one or more of the error messages above will be displayed.
Figure 1 below
illustrates a ProLiant DL380 G3 server configured with all eight fans
installed for fan redundancy. The server airflow is divided into three
zones: processor, I/O and power supply. Shared fans 4 and 7 each
provide airflow for two zones. If a shared fan fails, the failure is
experienced in both zones.
Figure 1: ProLiant DL380 G3 server configured with all eight fans installed for fan redundancy
The internal Health LED
(the top LED on the front panel of the server) indicates failed or
missing components. The internal Health LED should be observed to
determine the status of the fans as follows:
RED LED: A
red
LED indicates that the minimum fan requirements have not been met.
Minimum fan requirements indicate that all primary fan slots must be
populated with functioning fans.
-
If the
1611 fan "x" is not present
(where "x" is the fan location) error message is displayed at POST and
the internal Health LED is red
, then a primary fan is missing.
-
If the
1611 fan "x" failure
(where "x" is the fan location) error message is displayed at POST and the internal Health LED is
red
, then a primary fan has failed.
AMBER LED: An
amber
LED indicates that the minimum fan requirements have been met; however,
requirements for redundant fan configuration have not been met. This
means that all primary fan slots are populated with functioning fans,
but at least one redundant fan has either failed or is missing.
-
If the
1611 fan "x" is not present
(where "x" is the fan location) error message is displayed at POST and
the internal Health LED is amber
, then a redundant fan is missing.
-
If the
1611 fan "x" failure
(where "x" is the fan location) error message is displayed at POST and
the internal Health LED is amber
, then a redundant fan has failed.
Note:
In a redundant fan configuration, the error message
fan system not fully redundant
will also be displayed at POST if any redundant fan slot is left
unpopulated or if a redundant fan has failed.
