I am running a Small RDS of Mysql 5.1 instance with Multi AZ on. I need to upgrade to large instance now. What will be the down time of the RDS instance while upgrading it. Please let me know
closed as not constructive by John Gardeniers, rnxrx, Brent Pabst, Michael Hampton♦, Magellan Oct 9 '12 at 21:59
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It had one to two minutes of downtime when I did this on my multiAZ setup a while back.
You could fire up a test instance and do a dry-run on it to be sure.