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Upgrading from 12.0.6 to 13.0.1

Question asked by ShameemAhmed on Sep 26, 2012
Latest reply on Sep 26, 2012 by nick_darlington
Hi All,

There are 3 confusing :rolleyes: questions which has to be answered while I was trying a upgrade from 12.0.6 to 13.0.1
1) Which is the best practice that can be followed for DB version upgrade, before the upgrade of the application or after the upgrade? As our 12.0.6 DB is 10g and 13.0.1 supports only 11g.
2) There is a statement in 'Change Impact and Upgrade Guide v13.0.00' that 'Complete and put on HOLD all processes'. Does this mean that, all the process instances need to be completed prior to upgrade process OR could we do the upgrade process keeping all the application processes ON HOLD, while the instances are in running status (Note: For sure the application will be in down during upgrade) ?
3) During the upgrade, performance metrics are collected and the following files are written to the Logs folder: ScriptMetrics.xml, Bootstrap.xml. Is this xmls easily understandable?

Thanks,
Nidhin

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