Asset ID:	1-75-1019969.1
Update Date:	2012-07-30
Keywords:

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Solution Type  Troubleshooting Sure

Solution  1019969.1 :   How to reset LDOM configuration back to factory-default on T1000/T2000/T5120/T5220/T5140/T5240/T5440/T6300/T6320/T6340  


PreviouslyPublishedAs
250006

Description
How to revert the bootmode of a system with LDoms (Logical Domains),(OVM for SPARC) to factory-default.

Symptoms:

One needs to following the steps in this document when:
- There is a need to revert system configuration back to factory-default.
- Solaris on the sun4v architecture system sees less memory/CPUs than what is shown in ILOM/ALOM (Integrated Lights Out Manager/Advanced Lights Out Manager) when the is no known LDom configuration present.
- Revert to factory-default or another saved configuration when troubleshooting an LDom environment.



Related Document(s):

For details on LDoms setup, please refer to the Logical Domains (LDoms) X.X.X Administration Guides, which are available on http://www.oracle.com/technetwork/documentation/vm-sparc-194287.html .

For details on the hardware configurations of the relevant sun4v platforms, please refer to the system specific documentations that are available on http://www.oracle.com/technetwork/documentation/sparc-tseries-servers-252697.html .

<Document: 1019467.1> provides detail explanation various means to check if LDOM is configured on a system.


For further details on ALOM and ILOM commands, please refer to the following documentations:

- Advanced Lights Out Management (ALOM) CMT vX.X Guide
- Sun[TM] Integrated Lights Out Manager X.X Supplement
- Platform specific Service Manuals are also available on http://www.oracle.com/technetwork/documentation/oracle-sparc-ent-servers-189996.html.

NOTES:

- When a sun4v system is shipped from the factory, it is configured with just one domain. All system resources (CPUs and memory etc.) are assigned to this domain. This is known as factory-default. At the System Controller(SC) this is known as the bootmode.
- The factory-default is one specific value for the bootmode
- The Primary domain is also referred to as the Control domain.
- For existing LDom environments a saved LDom configuration name can be used for the bootmode setting.
- All guest domains must be halted, stopped and unbound (STATE=inactive) prior to setting the bootmode.
- The system requires a power off and a power on to enable a modified bootmode.

Steps to Follow
Please validate that each troubleshooting step below is true for your environment. The steps will provide instructions or a link to a document, for validating the step and taking corrective action as necessary. The steps are ordered in the most appropriate sequence to isolate the issue and identify the proper resolution. Please do not skip a step.


Once a machine is configured with LDOMs, it can be reverted back to factory-default as described below.

There are 3 options available to reset the system configuration back to factory-default. Use any one of the steps below.

1. Setting factory default through LDOM Manager 2. Setting factory default through Service Processor 3. Setting factory-default via a Web Browser

Login to the SC via a Web Browser (network management must be configured in the SC).
Select the "Remote Control" tab
Select the "Host Boot Mode" Sub-tab

State: Normal
Script:
Modify the "LDOM Config:" field with "factory-default" (do not include the quotes)
Select Save

Please refer to Section [2-B] of <Document: 1019467.1> for further details on resetting LDOM configuration through Service Processor.

4. Data Collection for further troubleshootings

If after the above steps fail to reset system back to factory-default, please contact Oracle Support with the following information:

- The latest explorer output using the latest version of explorer script.
- The console session log of the attempt to reset the system configuration to factory-default.

Please refer to <Document: 1312847.1>Oracle Explorer Data Collector for the latest Explorer Script.

Product
Logical Domain Manager 1.0.1
Product
Logical Domain Manager 2.1

Sun Fire T2000 Server
Sun Fire T1000 Server
Sun Netra T2000 Server
Sun Netra T5220 Server
Sun Netra T5440 Server
Netra T5220 AC
Sun SPARC Enterprise T5220 Server
Sun SPARC Enterprise T5240 Server
Sun Blade T6300 Server Module
Sun Blade T6320 Server Module
Sun SPARC Enterprise T5120 Server
Sun SPARC Enterprise T5140 Server
Sun Blade T6340 Server Module
Sun SPARC Enterprise T2000 Server
Sun SPARC Enterprise T5440 Server
Sun SPARC Enterprise T1000 Server

Internal Comments
This document contains normalized content and is managed by the the Domain Lead(s) of the respective domains. To notify content owners of a knowledge gap contained in this document, and/or prior to updating this document, please contact the domain engineers that are managing this document via the "Document Feedback" alias(es) listed below:

Normalization Lead: [email protected]

Normalized, factory-default, ldom, sun4v

Change History
Date: 2010-12-21
User name: Dencho Kojucharov
Action: Currency check
Comments: audited by Entry-Level SPARC Content Lead


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