1·If not, migration looks exactly like a failover test because the failback technique replaces the old style backout plan.
如果不成功，迁移看起来完全就像故障转移测试，因为退回技术取代了旧式的撤销计划。
2·The file can be moved to a Backout Subdirectory (with or without a timestamp appended to the file name), or can be deleted.
可以将文件移动到撤销子目录（向文件名追加时间戳或不追加时间戳），或者可以将文件删除。