Back View; Front Controls And Indicators - IBM TotalStorage DS4100 Installation, User's, And Maintenance Manual

Tray handle
Figure 3. Front controls and indicators
The DS4100 has blank trays in the unused drive bays. To begin installing new
drives, you must first remove the blank trays and save them. Each of the 14 bays
must always contain either a blank tray or a drive CRU. You can install up to 14
hot-swap drive CRUs in the storage server.
v Activity LED: Each drive CRU has an associated Activity LED on the DS4100
v Fault LED: Each drive CRU has an associated Fault LED on the DS4100
v General system error LED: A solid amber LED indicates a power supply, fan
v Latch: Use this multipurpose latch to release or lock the drive CRU in place.
v Power-on LED: A solid green LED indicates that the storage server has dc
v Tray handle: Use this multipurpose handle to insert and remove a drive CRU in

Back view

Figure 4 on page 10 shows the components at the back of the DS4100 base
storage server.
Fault LED
Activity LED
Latch
chassis. A flashing green LED indicates drive activity. A solid green LED indicates
that the drive is properly installed and powered on.
chassis. A solid amber LED indicates a drive failure. A flashing amber LED
indicates that a drive identify process is in progress.
unit, or hard disk drive error. Use the DS4000 Storage Manager client to
diagnose and repair the problem. For more information, see "Checking the LEDs"
on page 71.
power.
the bay.
General system
error LED
Power-on LED
Chapter 1. Introduction
9