由于资源发现超时，SCSQL 备份失败

• SnapCenter Plug-in for Microsoft SQL Server（SCSQL）
• SnapCenter Plug-in for VMware vSphere（SCV）
• 托管在 VMDK 磁盘上的 SQL Server 数据库

• 特定资源组的 SQL Server 备份在 SnapCenter 中失败。在 SnapCenter 作业日志中观察到以下错误：

System.Threading.Tasks.TaskCanceledException: The request was canceled due to the configured HttpClient.Timeout of 10800 seconds elapsing.

---> System.TimeoutException: The operation was canceled.

---> System.Threading.Tasks.TaskCanceledException: The operation was canceled.

---> System.IO.IOException: Unable to read data from the transport connection: An established connection was aborted by the software in your host machine.

---> System.Net.Sockets.SocketException (10053): An established connection was aborted by the software in your host machine.

• 其他症状：
• 备份处于"Running"状态或失败，显示"Unable to find the database files."
• 受影响 SQL 主机的磁盘发现作业会挂起数小时或未完成。
• SnapCenter 日志可能显示"Failed to determine LUN based on the serial number"或无效/未知存储目标（例如目标"0"）。
• 其他资源组和备份可能不受影响。