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Removal and replacement procedures 41
9.
Remove the SAS cage.
To replace the component, reverse the removal procedure.
System fans
The server supports redundant hot-plug fans to provide proper airflow to the system if a primary fan fails.
In the standard, non-redundant, configuration, fans 1, 2, and 3 cool the server.
For the redundant configuration, fans 4, 5, and 6 are added to back up the primary fans. This
configuration enables the server to continue operation in non-redundant mode, if a fan failure occurs. The
following rules apply:
•
If one fan fails in non-redundant mode, the server shuts down.
•
If one fan fails in redundant mode, the server converts to non-redundant mode.
•
If two fans fail in redundant mode, the server shuts down.
For more information, see "Fan locations (on page 90)."
All fans are identical. This procedure can be used for any of the six fan positions.
To remove the component:
1.
Extend the server from the rack (on page 30).
2.
Remove the access panel ("Access panel" on page 33).