April 10, 2006

Database upgrading is slooooooooooooow

Follow-up to Upgrade database servers from Oracle/Java/Others

I recently upgrade a database server. It is relatively big compared to our other servers, about 80g in total.

I chose to use GUI DBUA mode to upgrade the server and expected it would take about 2 hour. The process, however, managed to run through 3 days. On the 4th day, the X window displayed on my computer was killed due to that some guy upgraded the network switch.

I checked the process and found that the major part upgrading had finished. So I dropped the components not upgraded and every things seemed work fine.

Lessons to learn:

Have to backup services. If the process take longer, bring up backup.

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