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Installing the System in a Rack
HP StorageWorks Modular Smart Array 30 User Guide
2-11
HP CONFIDENTIAL
Writer: Susan Caesar File Name: c-ch2 Installing the System in a Rack.doc
Codename: NorthStar Part Number: 335900-002 Last Saved On: 10/2/03 3:49 PM
Disk Drive LEDs
Figure 2-4: Disk drive status LEDs
Item Color
Description
1 Green Activity
LED
2 Green Online
LED
3
Amber
Fault (or Failure) LED
If the drive is connected to a Smart Array controller, all three drive status LEDs blink
synchronously in response to a
Locate
command from the controller software. This
property enables you to identify a specific drive. On an HS-series controller, only the
Fault LED blinks when you send the
Locate
command.
The Activity LED is illuminated when the drive is active. Depending on the host
controller, this LED can blink either by itself or in unison with the Online LED when
there is SCSI bus activity.
The operation of the Online LED depends on the controller, because some controllers
cannot manage this LED. If the controller can manage the LED:
•
The LED is illuminated when 5.1-V DC power is available and the drive is
correctly installed.
•
The LED is not illuminated when one of the following conditions is indicated:
Summary of Contents for MSA 30
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