Scenario: Using system profiles with the HMC
With system profiles, you can change the hardware configuration of an entire managed system quickly and easily.
Situation
You are the system administrator for a business recovery service center. You use your server primarily to test disaster-recovery strategies for your clients. Each of your clients has a different system configuration. This means that, each time a client comes in, you must change the system configuration of your managed system.
You decide to create and use system profiles to change the system configuration of your managed system. First, on each logical partition on your server, you create a partition profile for each client that uses the logical partition. Then, you create a system profile for each client. Each system profile contains the partition profiles that you want to activate for the client. When a client returns to the business recovery service center, you can reconfigure the managed system for that client by activating the system profile for that client.
You have finished testing for Client 1. You must now reconfigure the managed system for Client 2, who comes in tomorrow.
Objectives
The objective of this scenario is to change the configuration of your managed system by using system profiles.
Details
Your managed system has eight processors and 12 GB of memory. You have created two system profiles on this managed system. Each system profile divides the resources of the managed system between two or three logical partitions.
| System Profile | Logical partition ID | Name of logical partition | Name of partition profile | Processor resources | Memory resources |
|---|---|---|---|---|---|
| Client 1 | Partition 1 | Test 1 | Profile 1: Client 1 | 5 dedicated processors | 8 GB dedicated memory |
| Partition 2 | Test 2 | Profile 1: Client 1 | 2 dedicated processors | 3 GB dedicated memory | |
| Partition 3 | Test 3 | Profile 1: Client 1 | 1 dedicated processor | 1 GB dedicated memory | |
| Client 2 | Partition 1 | Test 1 | Profile 2: Client 2 | 7 dedicated processors | 10 GB dedicated memory |
| Partition 2 | Test 2 | Profile 2: Client 2 | 1 dedicated processor | 2 GB dedicated memory |
Prerequisites and assumptions
This scenario assumes that the following prerequisite steps have been completed before beginning the configuration steps:
- The Hardware Management Console (HMC) was set up and configured. For instructions, see Installing and configuring the HMC.
- You understand the Logical partition overview.
- You completed the tasks recommended for logical partition planning. For instructions, see Planning for logical partitions.
- You moved and assigned the physical hardware according to the System planning tool (SPT) output.
- You logged in to the HMC with
one of the following user roles:
- Super administrator
- Service representative
- Product engineer
- You created the logical partitions, partition profiles, and system profiles described. For instructions, see Creating additional logical partitions and Creating a system profile.
- You activated the system profile for Client 1. For instructions, see Activating a system profile.
The following table lists the system profile that is currently active on the managed system.
| System profile | Logical partition ID | Name of logical partition | Name of partition profile | Processor resources | Memory resources |
|---|---|---|---|---|---|
| Client 1 | Partition 1 | Test 1 | Profile 1: Client 1 | 5 dedicated processors | 8 GB dedicated memory |
| Partition 2 | Test 2 | Profile 1: Client 1 | 2 dedicated processors | 3 GB dedicated memory | |
| Partition 3 | Test 3 | Profile 1: Client 1 | 1 dedicated processor | 1 GB dedicated memory |
Configuration steps
To change the configuration of your managed system so that it is ready for Client 2, you must first shut down the logical partitions by using usual operating system procedures.After shutting down the logical partitions, you can activate the system profile for Client 2. To do this, complete the following steps on your HMC:
- In the navigation pane, open Systems Management and click Servers.
- In the work pane, select the managed system, click the Tasks button, and click .
- Select the Client 2 system profile and click Activate.
- Select the desired activation settings for the system profile and click Continue.
After activating the system profile, the managed system is configured according to the needs of Client 2. The following table lists the system profile that is currently active on the managed system.
| System profile | Logical partition ID | Name logical partition | Name of partition profile | Processor resources | Memory resources |
|---|---|---|---|---|---|
| Client 2 | Partition 1 | Test 1 | Profile 2: Client 2 | 7 dedicated processors | 10 GB dedicated memory |
| Partition 2 | Test 2 | Profile 2: Client 2 | 1 dedicated processor | 2 GB dedicated memory |