Compaq StorageWorks UltraSCSI RAID Enclosure (DS-BA370 Series) User's Guide (EK-BA370-UG. C02, September 1998)

Operating the UltraSCSI Enclosure

UltraSCSI RAID Enclosure 2–17

Removal of a disk drive SBB device is automatically sensed by the

array controller.

When installing a replacement device in a configured subsystem, the

array controller ensures that the replacement device type is identical

to the one removed. Only after establishing complete compatibility

can the array controller start configuring the disk drive SBB. As part

of the configuration process, the array controller will restore all data

that was on the original disk.

Disk Drive Status LEDs

Each disk drive SBB has two LEDs that display its operating status

(Figure 2–6). The green device activity LED (C

ALLOUT 1) is ON or

FLASHING whenever the disk drive SBB is

active

Figure 2–6 Disk Drive Status LEDs

The amber device fault LED (C

ALLOUT 2) FLASHES whenever the

array controller detects that this device has an error condition. This

LED also F

LASHES when the array controller issues a locate

command. This LED is only ON or FLASHING when there is a device

malfunction, except when a locate command is issued.

For detailed information about the disk drive SBB status LEDs, see

Chapter 7.

Figure C

ALLOUTS

1. Device activity LED

2. Device fault LED

CXO4652B