Compactor:ThanosCompactHasNotRun

[DanielCastronovo]

Thanos, Prometheus and Golang version used:

0.34

Object Storage Provider:
S3

What happened:
Alert has been generated by Prometheus : ThanosCompactHasNotRun

Logs
caller=block.go:185 level=warn msg="requested to mark for deletion, but file already exists; this should not happen; investigate" err="file XXXXXXXXXXX/deletion-mark.json already exists in bucket"

What you expected to happen:

Nothing, by the past all is worked as expected.
We use EBS service on AWS.

How to reproduce it (as minimally and precisely as possible):

Full logs to relevant components:

[mfoldenyi]

Same issue? #6707