IBM E16RMLL-I Implementation Guide - Page 730
Performing server upgrades
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22.2.5 Enabling production mode If your upgraded server instance seems to be in order, you may take the server out of idle state by following these steps: 1. Remove the nomigrrecl and disablescheds options and change expinterval to the desired value, in the dsmserv.opt file. 2. Raise the migration thresholds of your storage pools to the desired value. 3. Restart your server instance. 4. Run client tests. Try backing up and restoring an object or file space. Following these outlined recommendations should made your upgrade procedure uncomplicated and safer, since you have your database along with other supporting files backed up. Should an upgrade procedure fail, you are able to bring your server instance back to the original level using these backed components. We will now show some sample server upgrade procedures. 22.3 Performing server upgrades In this section we discuss specific steps for upgrading the Tivoli Storage Manager V5.2 server running on Windows 2003 and AIX 5.3 to the latest version available at the time of writing this book, which is 5.3.2.2. For more information, refer to the IBM Tivoli Storage Manager Installation Guide manual for your server platform. Bear in mind that whenever you are about to upgrade your Tivoli Storage Manager server, prior to migration you need to back up the following items: The IBM Tivoli Storage Manager database (backup db) The volume history file (backup volhist) The device configuration file (backup devconfig) The dsmserv.opt file The dsmserv.dsk file You should also consider that the later versions contain more features and might therefore require additional database space. We recommend that you increase your database size by 5% prior to migration and reduce it after the migration when the database space has stabilized. 700 IBM Tivoli Storage Manager Implementation Guide
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