IBM BladeCenter HX5, Инструкция по установке и эксплуатации

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The Light path power (LP2) LED is referred to as MEU LED Power in the
system event log.
See the Problem Determination and Service Guide
Scalability indicators
The BladeCenter HX5 blade server provides scalability indicators, which are
viewable through the front bezel of the blade server when it is installed in a
BladeCenter chassis. The scalability indicators remain lit until the blade server is
started.
The BladeCenter HX5 blade server can be deployed as a stand-alone blade server.
It can also be combined with another BladeCenter HX5 blade server to form a
scalable blade complex. When two BladeCenter HX5 blade servers are combined
into a scalable blade complex, you can specify that they operate as a single
hardware partition or operate in stand-alone mode.
The scalability indicators show whether a BladeCenter HX5 blade server is a
stand-alone blade server or a node in a scalable blade complex operating as a
single hardware partition.
When a BladeCenter HX5 blade server is a stand-alone blade server, the scalability
indicators continually move up and down the front of the bezel.
LEDs
When a BladeCenter HX5 blade server is part of the scalable blade complex
operating in single partition mode, the scalability indicators move up the first
blade server, cross over to the second blade server, and then move down the
second blade server.
Note: If you have set up a scalable blade complex in single partition mode but
when you start the blade servers, the scalability indicators for each blade server
seem to be operating independently, there might be a problem with the
configuration of the scalable blade complex.
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IBM BladeCenter HX5 Type 7873, 7872, 1910, and 1909: Installation and User's Guide