Once you are ready to take on more traffic or need fault tolerance, you can graduate your application to the main Heroku platform.
当准备好处理更大的通信量或者需要容错能力时，可以把应用程序转移到主Heroku平台。DMDS adopts pair of system back-up and mirror-back-up memory technology. So the system has high reliability of metadata management.
具有容错能力的双元数据服务器采用双系统备份、镜像复制存储技术，从而保证了元数据管理的高可靠。But everybody in the financial industry is desperately trying to figure out what the margin of error might be.
但是金融业的每一个从业人员，都在设法估算容错幅度到底有多大。On account of characteristic of every part, it designs suitable measure of fault tolerant control for them.
针对各部分故障的特点，为每一部分设计了合适的故障容错控制方法。It had to be fault-tolerant because it would be unacceptable for index tables to crash or disappear.
Hollebeek说，“它必须能够容错，因为索引表崩溃或消失是不可容忍的。”The inherent simplicity and fault tolerance of Switched Reluctance Motor (SRM) Drive (SRD) have made it a great potential drive system.
开关磁阻电机（SR电机）调速系统（SRD）以其结构简单，容错能力强等众多优点，使其极具发展潜力。A system can achieve high availability without being fault tolerant if it can be built in such a way that it never experiences any faults.
如果系统可以不发生任何错误的方式构建，那么它可以在没有容错性的情况下实现高可用性。An unrecoverable error occurred trying to synchronize fault tolerant set information .
同步容错集信息时，出现了一个不可恢复的错误。The system's Fault Tolerant state could not be recovered. Any disk mirroring, striping, or volume sets will have to be recreated manually.
未能恢复系统的容错状态。磁盘镜像、带状划分或卷集都要重新手动创建。