IBM System Storage DS4000, Руководство по техническому обслуживанию аппаратной части

Страница: 115 / 184

Table 40. DS4400 storage server host-side and drive-side mini hub indicator lights
Icon Indicator light Color
Normal
operation
Problem
indicator
Possible condition indicated by
the problem indicator
Speed Green On for 2 Gb
Off for 1 Gb
Light on indicates data transfer
rate of 2 Gb per second.
Light off indicates data transfer
rate of 1 Gb per second.
! Fault Amber Off On Mini hub or SFP module failed
Note: If a host-side mini hub is
not connected to a controller, this
fault light is always lit.
Bypass
(upper port)
Amber Off On
v
Upper mini hub port is
bypassed
v Mini hub or SFP module
failed, is loose, or is missing
v Fiber-optic cables are damaged
Note: When there are two
functioning SFP modules
installed into the mini hub ports
and there are no fibre channel
cables connected to them, the
bypass indicator is lit.
If there is only one functioning
SFP module installed in a
host-side mini hub port and there
are no fibre channel cables
connected to it, the indicator light
will not be lit.
However, the drive-side mini hub
bypass indicator light will be lit
when there is one SFP module
installed in the mini hub and the
mini hub has no fibre channel
connection.
Chapter 10. Type 1742 DS4400 Storage Server
87