社区专家lhrbest入驻 『Oracle数据库管理与运维』lhrbest的社区个人主页：http://www.db2china.net/home/space.php?uid=124159目前就职于外汇交易中心做DBA工作， 自接触Oracle后就对Oracle有浓厚的兴趣。擅长部分：SQL语句优化、RMAN备份、数据库逻辑备份、数据库巡检、高可...(more)

RMAN> crosscheck archivelog all; released channel: ORA_DISK_1 released channel: ORA_DISK_2 released channel: ORA_DISK_3 allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=138 devtype=DISK allocated channel: ORA_DISK_2 channel ORA_DISK_2: sid=13...(more)