That is correct. Storm data wasn't portable between HDP 2.2 and HDP 2.3, so we needed to remove all storm data from ZK. HDP 2.3+ we no longer have to do this.
> On Mar 10, 2016, at 2:48 PM, Di Li <[email protected]> wrote: > > Hello folks, > > I noticed the manual step "Before continuing, please deactivate and kill any > currently running topologies." is in upgrade-2.3.xml and > nonrolling-upgrade-2.3.xml in HDP/2.2/upgrades. But starting HDP 2.3 stack > (and HDP 2.4, etc) only the nonrolling-upgrade XML file has that manual step, > the rolling ones don't have it anymore. > > Is the step not needed anymore by rolling upgrade? > > Di > >
