Di Li created AMBARI-11935:
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Summary: Rolling upgrade after a downgrade fails the precheck with
error "All hosts should have target version installed"
Key: AMBARI-11935
URL: https://issues.apache.org/jira/browse/AMBARI-11935
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.1.0
Reporter: Di Li
Fix For: 2.1.0
1. Perform rolling upgrade
2. Clicked Downgrade once it reached the "Finalize" step.
3. Once the downgrade finished successfully, went to the "Stack and Versions"
page and clicked the Rolling upgrade button.
4. The rolling upgrade failed the precheck with error "All hosts should have
target version installed"
The binaries (RPMs) however were installed.
This seems to be a issue in the database and the
HostsRepositoryVersionCheck.java where the check expects the BI 4.1 repo on
each host to be in the "INSTALLED" state, whereas the database still has the
state as "UPGRADED" after the downgrade.
Workaround is to click the "Reinstall Packages" button first, wait for the
reinstall to finish (should be very quickly as the RPMs were already
installed), then click Rolling Upgrade.
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