【单选题】
A 对接有多个Ceph集群时，可以一次巡检完成所有群集的巡检。
When multiple Ceph clusters are interconnected, the preventive inspection of all clusters can be completed at a time.
B 网络巡检中的网络带宽和重传巡检需要使用iperf打流，会对上层业务造成影响，默认不打开，如要进行巡检，请在部署完TECSCloveStorage且未上业务前就进行巡检。
In the network preventive inspection, the network bandwidth and retransmission preventive inspection need to be performed with iperf streams, which will affect the upper-layer services. By default, this function is disabled. If preventive inspection is required, perform it after deploying the TECSCloveStorage and before enabling services.
C 巡检不能查询存储服务器磁盘状态信息
The disk status of the storage server cannot be queried during preventive inspection.
D 巡检支持查询主机名规范性检查
The host name specification can be queried during preventive inspection.
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