7.5 Task Switching 任务切换 The 80386 switches execution to another task in any of four cases: 80386在以下四种情况下会切换另一个任务去执行: The current task executes a JMP or CALL that refers to a TSS descriptor. 当前任务执行了一个引用了TSS描述符的JMP或CALL. The current task executes a JMP
DG切换迁移Switch over切换文档 本篇文档,整体结构:1.切换前检查确认2.DG切换角色操作3.切换后检查确认 目录:一.切换前检查确认1.数据库版本2.DG架构,IP信息及切换角色前后3.DG切换方式,switch over or fail over4.DG迁移是否需要修改vip and scan or service_name ........(本质考虑是切换后应用的连接方式)5.DG连通性,是否正常,主库switch_status is to standby database6.