灾难恢复和高可用性故障转移要求跨所有节点惟一地标识这些过程中涉及的资源。
Disaster recovery and high availability fail-overs require that resources involved in these processes be uniquely identified across all nodes.
在DB 2UDBV8.2中，DB 2引入了两个新特性——灾难恢复(HADR)和自动客户机重路由功能，它们为客户提供了更多实现高可用性的选项。
In DB2 UDB V8.2, DB2 introduced two new features that further provide customers with options for implementing high availability, disaster recovery (HADR) and automatic client rerouting capabilities.
EWU标识符可以消除重复的值，这些重复的值会破坏和拖延灾难恢复、高可用性和虚拟化过程。
EWU identifiers are required to eliminate the occurrence of duplicate values that will interrupt and delay the processes of disaster recovery, high availability, and virtualization.
它提供了事务完整性和透明的灾难恢复功能，以确保高可用性、高可靠性和稳定的响应时间。
It provides transactional integrity and transparent fail-over to ensure high availability, high reliability, and constant response times.
在一个集群中，您将获得规模扩展(scale - out)、高可用性、灾难恢复和负载平衡功能。
In a cluster, you gain scale-out, high availability, disaster recovery, and load-balancing capabilities.
通过使用备用模式(secondary mode)作为只读数据库，DB 2HADR(高可用性灾难恢复)配置可以同时提供具有弹性的可用性和一些负载均衡。
DB2 HADR (High availability Disaster Recovery) configurations can provide both resiliency of availability and some load balancing through use of the secondary mode as a read-only database.
通过使用备用模式(secondary mode)作为只读数据库，DB 2HADR(高可用性灾难恢复)配置可以同时提供具有弹性的可用性和一些负载均衡。
DB2 HADR (High availability Disaster Recovery) configurations can provide both resiliency of availability and some load balancing through use of the secondary mode as a read-only database.
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