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If the optional SAS host port adapter is installed in the RAID controller, the host port
adapter contains two additional SAS host connectors with LEDs.
SAS link service action (amber)
When this LED is lit, it indicates a problem with the SAS link that requires
service action. The normal condition of this LED is off.
SAS link up (green)
When this LED is lit, it indicates that the link is established between the
controller and a host. When this LED is flashing, it indicates activity on the
link. When this LED is off, no link is established.
Battery fault (amber)
When this LED is lit, it indicates that the battery fails to hold a charge and
should be replaced. The normal condition of this LED is off.
Cache active (green)
When this LED is lit, it indicates that data is in the memory cache. When
this LED is off, caching is turned off; no data is in the memory cache.
Service action allowed (OK to remove) (blue)
When this LED is lit, it indicates that it is safe to remove the controller from
the DS3200; no activity is taking place, and no data remains in the memory
cache. The normal condition of this LED is off.
Service action required (fault) (amber)
When this LED is lit, it indicates that a fault has occurred in the controller
and the controller must be replaced. The normal condition of this LED is off.
Power (green)
When this LED is lit, it indicates that the controller is receiving power. When
this LED is off, the controller is not receiving power.
Ethernet speed
When this LED is lit, it indicates that the Ethernet speed between the
controller and the management workstation is 100 Mbps. When this LED is
off, it indicates that the Ethernet speed is 10 Mbps.
Ethernet activity
When this LED is lit, it indicates that the link is established between the
controller and the management workstation. When this LED is flashing,
there is activity between the controller and the management workstation.
When this LED is off, no link is established between the controller and the
management workstation.
SAS link service action
SAS link service action
SAS link up
SAS link up
Figure 37. Host port adapter LEDs
54 System Storage DS3200 Storage Subsystem: Installation, User’s, and Maintenance Guide