Disk Access Lamp - NEC Express5800 series User Manual

2-10 General Description
LAN (1 - 2) Link/Access Lamps
The lamp flashes when data is being transmitted through each LAN port. When the power is
supplied to the Storage and I/O Blade from the Blade Enclosure and the link is established, the
Link/Access lamp on the relevant port lights.
The connection of LAN port is physically controlled by the EM card and the switch module
installed in the Blade Enclosure (SIGMABLADE).
To check connection status of LAN port, refer to the User's Guide of the EM card and the switch
module installed in the Blade Enclosure.
ID Lamp
The ID lamp is intended to identify a specific Storage and I/O Blade in the system in which several
blades are installed. Making this lamp being lit can help the maintenance work to identify the faulty
device.
When the detect command is received from management software such as NEC ESMPRO Manager
and Web console of Blade Enclosure, the lamp lights.

DISK ACCESS Lamp

A hard disk drive has one lamp.
DISK ACCESS lamp
The lamp lights green while the hard disk drive is being accessed.
The lamp lights amber if a hard disk drive cannot be interfaced with the Storage and I/O Blade
correctly due to a hardware fault in the Storage and I/O Blade or another failure.
In the disk array configuration, the lamp flashes green and amber alternately while the array disks
are rebuilt (this does not indicate an error). After the rebuilding completes, the lamp returns to the
normal indication. If the rebuilding fails, the lamp is lit amber.