我正在运行具有EFK堆栈的Kubernetes集群，一段时间后，日志似乎在Kibana中丢失了。
当我手动检查一口流利的豆荚的日志时，显示以下结果。
但是，当我重新启动流利的位Pod时，日志开始重新出现。而且我的卷空间也不满。有关如何解决此问题的任何想法？
[2019/05/31 02:28:13] [error] [out_es] could not pack/validate JSON response
{"took":0,"errors":true,"items":[{"index":{"_index":"kubernetes_cluster-2019.05.27","_type":"flb_type","_id":"m5a3C2sBq0LHM0frVg1S","status":403,"error":{"type":"cluster_block_exception","reason":"blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"}}},{"index":{"_index":"kubernetes_cluster-2019.05.27","_type":"flb_type","_id":"nJa3C2sBq0LHM0frVg1S","status":403,"error":{"type":"cluster_block_exception","reason":"blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"}}},{"index":{"_index":"kubernetes_cluster-2019.05.27","_type":"flb_type","_id":"nZa3C2sBq0LHM0frVg1S","status":403,"error":{"type":"cluster_block_exception","reason":"blocked by: [FORBIDDEN/12/index read-only / allow delete (api)];"}}},{"index":{"_index":"kubernetes_cluster-2019.05.27","_type":"flb_type","_id":"npa3C2sBq0LHM0frVg1S","status":403,"error":{"type":"cluster_block_exception","reason":"blocked by: [FORBIDDEN/12/index read-onl
[2019/05/31 02:28:13] [ warn] [out_es] Elasticsearch error``` .