Log when repository is marked as corrupted (#89132)

server/src/main/java/org/elasticsearch/repositories/blobstore/BlobStoreRepository.java

@@ -2026,6 +2026,7 @@ public abstract class BlobStoreRepository extends AbstractLifecycleComponent imp
     private void markRepoCorrupted(long corruptedGeneration, Exception originalException, ActionListener<Void> listener) {
         assert corruptedGeneration != RepositoryData.UNKNOWN_REPO_GEN;
         assert bestEffortConsistency == false;
+        logger.warn(() -> "Marking repository [" + metadata.name() + "] as corrupted", originalException);
         submitUnbatchedTask(
             "mark repository corrupted [" + metadata.name() + "][" + corruptedGeneration + "]",
             new ClusterStateUpdateTask() {