Dieter De Paepe created HBASE-28084:
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Summary: Incremental backups should be forbidden after deleting
backups
Key: HBASE-28084
URL: https://issues.apache.org/jira/browse/HBASE-28084
Project: HBase
Issue Type: Bug
Components: backup&restore
Reporter: Dieter De Paepe
Imagine I have a set of backups (Full1, Incr2, Incr3), delete the last backup
(Incr3), and then create a new incremental backup (Incr4).
This backup history will now show: Full1, Incr2, Incr4.
However, restoring Incr4 will not contain the data that was captured in Incr3,
effectively leading to data loss. This will certainly surprise some users.
I suggest to add some internal bookkeeping to prevent incremental backups in
case the most recent backup was deleted.
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