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HDDS-5415
Fix TestSCMNodeManager after merge of master at 1d8f972 into upgrade branch
Fix datanode capacity related race condition
Remove getRequestType method from OM request classes.
Merge master branch at 12e2918 into upgrade branch
Allow multiple OM request versions to be supported at same layout version (HDDS-2939).
Do not fail SCM HA pre-finalize validation if SCM HA was already being used
Merge master into HDDS-3698-upgrade branch (04/30/21).
Race condition in NodestateManager#addNode allows datanodes with lower MLV to be used in pipelines
Restructure the acceptance test groups (unsecure/secure/misc)
Upgrade related RPC calls should be allowed only for admins
Adjust LICENSE and NOTICE files for the non-rolling upgrade branch
Recover from failure during upgrade action
Track OM prepare intermittent integration test failure
Attempt to remove state from *UpgradeFinalizer classes.
Add pre-finalize validation action for SCM HA
Merge master with SCM HA changes into upgrade branch.
Datanodes should always use MLV 0 when no VERSION file is present
Upload upgrade design documentation to docs module.
SCM should not use pipelines with HEALTHY_READONLY datanodes
Introduce First upgrade startup action and Pre-finalized state validation in Layout Feature.
NoSuchMethodException when wrapping RpcException on downgrade
Do not wait one heartbeat to move newly registered datanodes that match SCM's MLV from HEALTHY_READONLY to HEALTHY
Onboard SCM HA as a new Layout Feature into upgrades.
Validating HDDS upgrade in presence of failures
Layout version should be available in DB for an un-finalized OM to be finalized through a Ratis snapshot.
Add Layout version information to Recon datanode info API.
Fix upgrade branch CI stability issues.
Attempting an SCM finalization after a failed / incomplete finalization.
SCM should go into "safe mode" until there is at least 1 pipeline to work with after finalization.
Datanode unable to prepare itself for finalize.
Add read only command to get status of Finalization in OM & SCM.
Fresh deploy of Ozone must use the highest layout version by default
Revisit LayoutFeature, and UpgradeAction related code
Starting OM with the --upgrade flag should delete the prepare marker file.
Add Integration test for HDDS upgrade (happy path cases)
Create OMCancelPrepareRequest and Response to cancel the prepared state of an OM.
Add an admin command to cancel "preparation" of an OM quorum.
Fix issues in 'prepare' operation with one OM down.
Merge master into HDDS-3698-upgrade branch.
Add pre append gate and marker file to OM prepare state
Prepare client should check every OM individually for the prepared check based on Txn Id.
Add a new OM admin command to submit the OMPrepareRequest.
Add more unit tests for OM layout version manager.
SCM restarts in the middle of the Upgrade should grace fully complete Upgrade
Implement OM Prepare Request/Response
Ozone Manager Prepare for Upgrade/Downgrade design
Verify that OM/SCM start fails when Software Layout Version < Metadata Layout Version
Fix compilation issue in HDDS-3698-upgrade branch.
Add DataNode state and transitions for a node going through upgrade
Investigate Acceptance test failure in Ozone Upgrade branch.