Specifications

Chapter 4. Product information and technology 109
4.10.2 Serial over LAN (SOL)
The Power Systems compute nodes do not have an on-board video chip and do
not support keyboard, video, and mouse (KVM) connections. Server console
access is obtained by a SOL connection only. SOL provides a means to manage
servers remotely by using a command-line interface (CLI) over a Telnet or
Secure Shell (SSH) connection. SOL is required to manage servers that do not
have KVM support or that are attached to the IBM Flex System Manager. SOL
provides console redirection for both System Management Services (SMS) and
the server operating system. The SOL feature redirects server serial-connection
data over a LAN without requiring special cabling by routing the data using the
Chassis Management Module network interface. The SOL connection enables
Power Systems compute nodes to be managed from any remote location with
network access to the Chassis Management Module.
SOL offers the following advantages:
򐂰 Remote administration without KVM (headless servers)
򐂰 Reduced cabling and no requirement for a serial concentrator
򐂰 Standard Telnet/SSH interface, eliminating the requirement for special
client software
The Chassis Management Module CLI provides access to the text-console
command prompt on each server through a SOL connection, enabling the Power
Systems compute nodes to be managed from a remote location.