4IBM Power Systems 775 for AIX and Linux HPC Solution
Because most of the nodes are diskless nodes, the service nodes provide the operating
system to the diskless nodes. The HFI network also is used to boot the diskless utility nodes.
The Power 775 Availability Plus (A+) feature allows processors, switching hubs, and HFI
cables immediate failure-recovery because more resources are available in the system.
These resources fail in place and no hardware must be replaced until a specified threshold is
reached. For more information, see 5.4, “Power 775 Availability Plus” on page 297.
The IBM Power 775 cluster solution provides High Performance Computing clients with the
following benefits:
Sustained performance and low energy consumption for cli ...
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