When the connection to the primary DB2 server fails, DB2 will retrieve the alternate server information from memory and will use that alternate server information to connect to the right DB2 server.
However, the alternate server information will only be stored in memory on the JDBC driver side.
不过，备用服务器信息将仅存储在JDBC驱动程序端的内存中。
3
Whenever a Power server is utilized to its maximum capacity, UPMC engineers begin looking at LPARs that can be migrated to alternate hardware with the intent of freeing up CPU and memory resources.