Hp 3000 Enterprise Virtual Array Manual de usuario Pagina 53

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Table 12 Power supply/blower status indicators
Blower status
indicator
Description
On
Both the power supply and the blower are operational.
Flashing
The power suppl
y or the blower locate function is active.
Off
The power supply or the blower is non–operational. When
there is a blower problem, the other blower runs at a higher
speed. Recommended corrective actions:
Check blower for proper operation. Replace if defective.
Check power supplies for proper operation. Replace if
defective.
Drive enclosure EMU
The EMU provides increased p rotection against catastrophic failures. The EMU detects conditions such
as failed power supplies, failed blowers, elevated temperatures, and external air sense faults and
communica
tes these conditions to the storage system controllers.
The EMU for
Fibre Channel-Arbitrated Loop (FC–AL) drive enclosures is fully compliant with SCSI-3
Enclosure Services (SES), and mounts in the left re ar bay of a drive enclosure. See Figure 1 0.
Controls and displays
Figure 17 illustrates the location and function of the EMU displays, controls, and connectors.
HP StorageWorks 3000/5000 Enterprise Virtual Array user guide (VCS 4.xxx)
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