IBM E16RMLL-I Implementation Guide - Page 729
Upgrading the server, Testing new updates
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22.2.3 Upgrading the server Once the server instance is halted, you may perform the upgrade. This procedure differs among platforms, since each supported operating system has its native way to install software packages. Nevertheless, one common approach applies to all platforms. When upgrading the server we distinguish between applying maintenance (base) and patch (fix) packages. The base level code must applied first, then the patch level may be installed. Hence, if you intend to upgrade your server from Version 5.2.7.0 to 5.3.2.2, you must first upgrade to the base level (that is, to 5.3.2.0), and subsequently apply the 5.3.2.2 patch. Then, after applying the base level, we recommend that you start your server instance in the foreground to see whether a database upgrade is required. If so, upgrade the database using the dsmserv upgrade command and then go on with applying the appropriate patch to your server. 22.2.4 Testing new updates After successfully upgrading your server instance, you should test the upgraded server instance as follows: 1. Start your server instance in the foreground and watch for any suspicious behavior or messages during startup in the console window. 2. Disable client sessions immediately after server startup. 3. Verify license status. 4. If device drivers were upgraded/installed as well, redefine paths. 5. Test your library and tape drives. Once drives/paths are defined and online, test with the move data command to verify that volumes can be mounted (in the correct drive) and can be read and written. Move data on a volume with a small amount of data. 6. Review any changed default server options, as well as new options, and test them in your environment. If your upgrade is successful and you are not experiencing any difficulties, you should back up your database along with other important files before re-enabling production mode. Chapter 22. Tivoli Storage Manager upgrade considerations 699
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