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LiveUpgrade Product Page (Doc ID 1381115.1)

Last updated on AUGUST 28, 2023

Applies to:

Solaris Operating System - Version 8 to 10 1/13 U11 [Release 8.0 to 10.0]
Information in this document applies to any platform.


This document contains the Live Upgrade Product Page




Solaris Live Upgrade provides a method of upgrading a system while the system continues to operate. While your current boot environment is running, you can duplicate the boot environment, then upgrade the duplicate. Or, rather than upgrading, you can install a Solaris Flash archive on a boot environment. The original system configuration remains fully functional and unaffected by the upgrade or installation of an archive. When you are ready, you can activate the new boot environment by rebooting the system. If a failure occurs, you can quickly revert to the original boot environment with a simple reboot. This switch eliminates the normal downtime of the test and evaluation process.

Solaris Live Upgrade enables you to duplicate a boot environment without affecting the currently running system. You can then do the following:

Some understanding of basic system administration is necessary before using Solaris Live Upgrade.


Main Commands (there are many "sub" commands - these are the main ones:


SEE ALSO  luactivate(1M), lucancel(1M), lucompare(1M), lucurr(1M), ludelete(1M), ludesc(1M), lufslist(1M), lumake(1M),
                lumount(1M),  lurename(1M), lustatus(1M), luupgrade(1M), lutab(4), live_upgrade(5), zones(5)  



The main Live Upgrade patches are 121430-xx for Sparc and 121431-xx for x86

121430-XX | SunOS 5.8 5.9 5.10: Live Upgrade Patch
121431-XX | SunOS 5.8_x86 5.9_x86 5.10_x86: Live Upgrade Patch 


Complete list of Solaris[TM] Live Upgrade Software:
       Minimum Patch Requirements : Solaris Live Upgrade Software Patch Requirements Doc ID 1004881.1

Doc ID 1364140.1 Oracle Solaris Live Upgrade Resource Center
Doc ID 1415915.1 How to use lucreate with detach,attach,preserve with Solaris Volume Manager (SVM) devices
Doc ID 1417657.1 How to Remove All Live Upgrade Configuration
Doc ID 1451868.1 Luupgrade outputs message about a problem generating autoreg_key
Doc ID 1452615.1 After Live Upgrade, new BE fails to boot due to “”ERROR: Last Trap: Fast Data Access MMU Miss”“
Doc ID 1457711.1 Live Upgrade fails with message: /usr/sbin/luupgrade[117]: .//Solaris_10/Tools/Boot/lu.cpio.bz2: cannot open
Doc ID 1461925.1 Liveupgrade failed to create new ABE due to mountpoint=none
Doc ID 1499526.1 Explanation of Live Upgrade LU_DEBUG Levels
Doc ID 1560772.1 Live Upgrade configurations with Zones
Doc ID 1595172.1 How to fix zonepaths issues after booting on new BE (Live-Upgrade) ()
Doc ID 2134459.1 Solaris 10 Upgrade Fails When Mpxio is Enabled on Boot Disk - The Solaris Version (Solaris 10) on slice c0t0d0s0 cannot be upgraded


LU Various Info

- Oracle Solaris 10 1/13 Installation Guide: Live Upgrade and Upgrade Planning

- Restrictions for Using Solaris Live Upgrade (Enda O'Connor)

- live upgrade with SVM and zones

- How to Use VxVM and Solaris Live Upgrade to Install patches on encapsulated root disk (Supported by Symantec)

- System Requirements and Limitations When Using Live Upgrade

- (Overview) / System Requirements and Limitations When Using Solaris Live Upgrade

 - Live Upgrade Survival Guide




Caution: Correct operation of Solaris Live Upgrade requires that a limited set of patch revisions be installed for a particular OS version. Before installing or running Solaris Live Upgrade, ensure that you have the most recently updated patch list by consulting (My Oracle Support). Search for the knowledge <Document 1004881.1> - Solaris Live Upgrade Software Patch Requirements on My Oracle Support.




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In this Document
 Live Upgrade for ZFS root
 Auto Registration File
 Live Upgrade limitations
 Live Upgrade when Veritas VxVM is configured
 Solaris Live Upgrade in a Solaris Cluster environment
 Information Gathering
 Listing of Knowledge Docs regarding Live Upgrade
 LU Various Info

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