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© Copyright IBM Corp. 2001 27
Chapter 4. FLEX-ES Operation
Installing and running a ThinkPad/EFS system requires a number of steps, some of which
have already been described:
Install the system hardware (described in “ThinkPad” on page 9).
Install Linux as the server operating system (described in “Linux installation” on page 9).
Decide on your disk configuration (described in “Disk planning” on page 7).
Install FLEX-ES (described in “FLEX-ES” on page 16).
Load OS/390 (many variations are possible, and you might use another S/390 operating
system; our steps are described in “OS/390 AD systems” on page 21).
We have completed the steps listed above. The following steps are required to run a S/390
instance:
Create FLEX-ES system and resource definition files.
Compile the definition file, creating rescf and syscf files.
Start resadm, the resource manager, pointing to a rescf file.
Start flexes, the S/390 emulator, pointing to a syscf file.
Start the flexescli program, which provides a command line interface for controlling a
FLEX-ES instance.
Start at least one TN3270 session (for the MVS master console).
Issue an ipl command through the flexescli interface.
Operate OS/390 as usual.
Shut down the system when finished.
These steps are described in this chapter. In general, most of the setup described here
should be done under the flexes userid. By convention, all the FLEX-ES configuration files,
resource definitions, shell scripts, and so forth, are kept in /usr/flexes/rundir. This is not
required, but it is common practice and the following examples use this directory.
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