We don't have an hbck for the new AM. Old hbck may actually do damage going against AMv2.
HBCK2 tool have questions on holes when HBCK2 checks region chain
Make HBCK2 be able to fix issues other than region assignment
Procedure V2: Update HBCK to incorporate the Proc-V2-based assignment
Introduce a mechanism to bypass the execution of a stuck procedure
Doc on debug issues and tooling needed in hbck2 and in hbase
Fixing regions stuck in transition in HBase 2.0
HBCK2 design disussions