2–2 Identifying Hardware Components
Hitachi Simple Modular Storage 100 User’s Guide
Drive Slots
The front panel of your Hitachi Simple Modular Storage 100 has two drive
slots. Each slot can accommodate a spare drive. The spare drive must be of
the same type (SATA or SAS) as the other drives in your Hitachi Simple
Modular Storage 100.
Front Panel LEDs
The front panel has several light-emitting diodes (LEDs) that show the
status of your Hitachi Simple Modular Storage 100.
Power LED
The front panel has a green Power LED that shows when your Hitachi
Simple Modular Storage 100 is turned on and receiving power.
Ready LED
The green Ready LED shows when your Hitachi Simple Modular Storage
100 is ready for operation.
Alarm LED
The red Alarm LED shows when your Hitachi Simple Modular Storage 100
is operating normally or has encountered a fatal error.
Table 2-1: Front Panel Power LED
LED Status Description
ON Hitachi Simple Modular Storage 100 is turned on and receiving power.
OFF Hitachi Simple Modular Storage 100 is not turned on.
Table 2-2: Ready LED
LED Status Description
ON Normal operation; the array is operational.
Slow Blink Downloaded firmware execution procedure is finished (displayed
during maintenance mode).
Fast Blink Firmware is downloading (do not turn off the array).
Table 2-3: Alarm LED
LED Status Description
OFF Normal operation
ON Fatal error. Please visit the Hitachi Web Portal at http://
support.hds.com.
Slow Blink A serious failure has occurred. Please visit the Hitachi Web Portal at
http://support.hds.com.
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