“Open” network means a network connection from the HMC to the Logical Partitions and, potentially, to other systems on your regular network infrastructure. LAN switch) when there is more than 1 FSP orĪlso important – each FSP port on the managed server should be connected to ONLY ONE HMC. The HMC must be connected to each FSP, so additional network hardware The basic setup requirements are essentially the same – It is also possible to order a redundant FSP for p590/p595) have dual-FSP, the second FSP being a P575) which have a Bulk Power controller, the HMC private networkĬonnects to a small hub within the Managed Server frame. However, on certain “high-end” systems (e.g. On most System p, and eServer p5 systems, the FSP provides twoĮthernet ports labelled HMC1 and HMC2, allowing for the connection of 1 The HMC is connected to the FSP (Flexible Service Processor) of the Network will be the HMC itself, and the Managed Servers. It is intended that the only devices on the HMC private “Private” network means the use of a selected range of non-routable HMC attached to the Flexible Service Processor (FSP) of the Managed Server via a “private” Ethernet, and to each Logical Partition (LPAR) via an “open” Ethernet network. Please always refer to the official documentation. Since Aprli 17 2007, it should be considered as mostly covering theĬoncepts. Please Note that this document has not been updated Although there are alternative setup arrangements, this example illustrates the most common environment for IBM System p, and eServer p5 systems. The “IBM HMC best Practices whitepaper” referenced above is an informal collection of Hints & Tips intended to provide a simple worked-example. Server, and between the HMC and the Logical Partitions (LPARS). Several key points related to the network between the HMC and Managed The basic setup requirements are relatively simple, however there are There are many factors to be considered when planning and setting up Mission critical solutions, even those hosted on entry or mid-range servers, may benefit from having dual HMCs. Two HMCsĪre recommended for enhanced availability. System p5 model 590, p5-595 and p5-575 systems, require at least one HMCĪcting as a DHCP (Dynamic Host Configuration Protocol) server. High-end servers with Bulk Power Controllers (BPC), such as the IBM Mid-range and larger p5 and i5 servers need an HMC to create and manage logical partitions, dynamically reallocate resources, invoke Capacity on Demand, utilize Service Focal Point and facilitate hardware control.
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