There are two ways to enable multipathing under Linux -- using the official RDAC driver from IBM/LSI and the open source multipath tools of the device-mapper.
在 Linux 上启用多路径有两种方法 —— 使用 IBM/LSI 提供的官方 RDAC 驱动程序和设备映射器的开放源码多路径工具。
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Multipathing is a feature that protects against the failure of a given path, ensuring that storage remains available as long as a path exists to communicate with the endpoint.