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Chapter 4 Lamp Indications
When the disk array controller is connected with an additional HDD cage, it allows you to
check the access states of HDDs and several status including that under a failure or
rebuild operation. In addition, being connected with the LED cable coming with the server,
the disk array controller can blink the DISK ACCESS lamps on the front face of the server
in HDD access status.
1. Indications of Lamps on Server
Lamp State Description
OFF Does not access to HDD. DISK ACCESS lamp (green)
Blink Accesses to HDD now.
Notice
While the disk array controller does not access to the HDDs, the DISK
ACCESS lamps may blink frequently. This does not indicate the occurrence
of a failure.
It is caused by routine monitoring accessed by NEC ESMPRO or the disk
array controller itself or periodical accesses from OS. In addition, due to the
nature of the disk array controller, the blinking period against a single
access is rather long. Such accesses may cause frequent blinks to occur.
Tips
The indications of the lamps on the server vary depending on the type of
the server. Refer to the User’s Guide of the server.
!
DISK ACCESS lamp