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62 IBM Systems Director Management Console: Introduction and Overview
4.1 Concepts
Transition is a new feature that is available to transition systems from the HMC or
IVM environment to the SDMC environment. This feature helps you transition
one or more systems that are currently being managed by HMC or IVM to being
managed by SDMC.
SDMC supports the following two types of transition:
IVM to SDMC
HMC to SDMC
With regards to an HMC transition, you can use either the command-line
interface or the graphical user interface to perform an interactive transition or an
offline transition. Use interactive transition when your HMC is running and offline
transition when your HMC is shutdown. During transition, SDMC discovers the
managed systems and you have to request access to each managed system by
supplying the password. Transition is complete only after successful
authentication to the managed system. The state of the managed system
changes to Available and you can start managing your system and its Virtual
Servers, which appear automatically.
The SDMC transition process does not remove the managed systems
connection from the HMC. The managed systems stay connected to the HMC
even after transition. A maximum of two management console connections are
allowed per managed system (two HMCs and two SDMCs, or one HMC and one
SDMC). Ensure that a connection for the management through the SDMC
console is available and not in use during the request access phase of the SDMC
transition process.
4.2 IVM to SDMC transition
This section describes how you can transition a managed system from an IVM to
an SDMC.
You have to perform the transition process manually for the IVM to SDMC
transition. You cannot use the transition wizard to transition managed systems
from IVM to SDMC. The managed system has to be in an IVM Managed state.
After the transition is complete, you are not able to use the IVM user interface,
because the Virtual Management Channel (VMC) is deactivated. The VMC is the
device on the Virtual I/O Server that enables a direct hypervisor configuration.
This device is activated only when the Virtual I/O Server detects that the
environment has to be managed by IVM.