IBM Storwize V7000, Введение и руководство по внедрению

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Chapter 1. Introduction to IBM Flex Systems and IBM PureSystems offerings
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The front panel of Power Systems compute nodes has the following common elements, as
shown by the p460 in Figure 1-12:
򐂰 USB 2.0 port
򐂰 Power-control button and light path, light-emitting diode (LED) (green)
򐂰 Location LED (blue)
򐂰 Information LED (amber)
򐂰 Fault LED (amber)
Figure 1-12 IBM Flex System p460 Compute Node showing front indicators
The USB port on the front of the Power Systems compute nodes is useful for a variety of
tasks, including out-of-band diagnostics, hardware RAID setup, operating system access to
data on removable media, and local OS installation. It might be helpful to obtain a USB optical
(CD or DVD) drive for these purposes, in case the need arises, as there is no optical drive in
the IBM Flex System Enterprise Chassis.
Although the processor is an important component in servers, many elements and facilities
have to be balanced across a server to deliver maximum throughput. As with previous
generations of systems based on POWER processors, the design philosophy for POWER7
processor-based systems is one of system-wide balance in which the POWER7 processor
plays an important role.
Each POWER7 processor has two integrated memory controllers in the chip. Industry
standard DDR3 Registered DIMM (RDIMM) technology is used to increase reliability, speed,
and density of memory subsystems. The functional minimum memory configuration for the
machine is 4 GB (2 x 2 GB) but that is not sufficient for reasonable production use of the
machine. It is recommended for the IBM Flex System p460 Compute Node a minimum of
32 GB of memory, with 32 x 16 GB DIMMs the maximum memory configurable is 512 GB.
The p460 has an onboard SAS controller that can manage up to two, non-hot-pluggable
internal drives. Even though the p460 is a full-wide server, it has the same storage options as
the p260 and the p24L.
The type of local drives used impacts the form factor of your memory DIMMs. If HDDs are
chosen, then only very-low-profile (VLP) DIMMs can be used because of internal spacing.
There is not enough room for the 2.5-inch drives to be used with low-profile (LP) DIMMs
(currently the 2 GB and 16 GB sizes). Verify your memory choice to make sure it is
compatible with the local storage configuration. The use of SSDs does not have the same
limitation, and LP DIMMs can be used with SSDs.
The p460 System Management is the same as the p260 and p24L POWER compute nodes.
Power button
LEDs (left-right):
location, info, fault
USB 2.0 port