假设迁移运行时基础设施很可能将用去一些时间，那么一个尽可能少地干涉运行时系统的变通方案是必需的。
Given that migrating the run-time infrastructure will likely take some time, an alternative approach that interferes with the running system as little as possible is needed.
如果在一般环境下，企业不能负担冗余服务器，数据中心，以及其他百分之 99.999 运行时间所需的基础设施，这点非常有用。
This is particularly advantageous if, under ordinary circumstances, the company cannot afford redundant servers, data centers, and other infrastructure that is required for 99.999 percent uptime.
您学习了当存储路径出现故障或者存储基础设施进行维护时，如何使用多路访问显著增加xen虚拟机的正常运行时间。
You've learned how multipath access can be used to dramatically increase the uptime of Xen virtual machines in the event of storage path failure or storage infrastructure maintenance.
应用推荐