sumitagrawl commented on PR #8589: URL: https://github.com/apache/ozone/pull/8589#issuecomment-2962295811
> @errose28 Can you also please take a look at the upgrade part of the patch @swamirishi As discussed, datanode upgrade flow as below, which is non-rolling including all nodes together, 1. prepare OM node (scm and dn do not have prepare step) 2. replace the software for om, scm , dn 3. restart all components 4. verify the state, Dn implicitly in read only only mode 5. Finalize SCM which in-turn finalize DN, and then finalize OM Service will start working with new schema. As such write operation is not there when dn in implicit upgrade phase. But check is also added in write operation as precaution here. Updated all comments. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
