Política do IAM para backup do OpsCenter no usuário S3

Usando o OpsCenter 5.1.0 e tentando adicionar o S3 como um local para backups de instantâneo. Quais são as permissões necessárias no AWS IAM para o usuário do opscenter? Até agora, tenho a seguinte política:

"Statement": [ { "Effect": "Allow", "Action": [ "s3:ListAllMyBuckets", "s3:GetBucketLocation" ], "Resource": "arn:aws:s3:::*" }, { "Effect": "Allow", "Action": [ "s3:ListBucket", "s3:GetBucketLocation" ], "Resource": [ "arn:aws:s3:::cassandra-bkup" ] }, { "Effect": "Allow", "Action": [ "s3:DeleteObject", "s3:GetObject", "s3:PutObject" ], "Resource": [ "arn:aws:s3:::cassandra-bkup/*" ] } ]

mas os backups ainda estão falhando. No opscenterd.log, o seguinte erro é visto:

WARN: Marking request af93899e-ae89-4ada-8b3b-ef93d0272d61 as failed: {'sstables': {'reporting_test': {u'cards': {'total_size': 9829, 'total_files': 6, 'done_files': 0, 'errors': [u'{:cause :unknown-destination-provider, :message "Specified provider unknown."}', u'{:cause :unknown-destination-provider, :message "Specified provider unknown."}', u'{:cause :unknown-destination-provider, :message "Specified provider unknown."}', u'{:cause :unknown-destination-provider, :message "Specified provider unknown."}', u'{:cause :unknown-destination-provider, :message "Specified provider unknown."}', u'{:cause :unknown-destination-provider, :message "Specified provider unknown."}']}, etc etc.

O backup no servidor local é bem-sucedido, no entanto.

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