https://blog.youkuaiyun.com/mark_bobozh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/mark_bobo/article/details/123798669https://blog.youkuaiyun.com/mark_bobo/article/details/123798669mark_boboTue, 29 Mar 2022 09:59:28 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/123798773https://blog.youkuaiyun.com/mark_bobo/article/details/123798773mark_boboTue, 29 Mar 2022 09:57:50 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/123741399https://blog.youkuaiyun.com/mark_bobo/article/details/123741399mark_boboFri, 25 Mar 2022 17:34:45 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/123715806https://blog.youkuaiyun.com/mark_bobo/article/details/123715806mark_boboThu, 24 Mar 2022 17:31:37 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/123715727https://blog.youkuaiyun.com/mark_bobo/article/details/123715727mark_boboThu, 24 Mar 2022 17:31:27 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/123690798https://blog.youkuaiyun.com/mark_bobo/article/details/123690798mark_boboWed, 23 Mar 2022 17:26:28 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/123690068https://blog.youkuaiyun.com/mark_bobo/article/details/123690068mark_boboWed, 23 Mar 2022 17:26:11 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/123684160https://blog.youkuaiyun.com/mark_bobo/article/details/123684160mark_boboWed, 23 Mar 2022 13:51:14 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/123545160https://blog.youkuaiyun.com/mark_bobo/article/details/123545160mark_boboThu, 17 Mar 2022 10:59:53 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/110070625https://blog.youkuaiyun.com/mark_bobo/article/details/110070625mark_boboTue, 24 Nov 2020 13:54:36 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/109722813https://blog.youkuaiyun.com/mark_bobo/article/details/109722813mark_boboMon, 16 Nov 2020 15:46:29 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/109688623https://blog.youkuaiyun.com/mark_bobo/article/details/109688623mark_boboSat, 14 Nov 2020 11:41:50 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/109626577https://blog.youkuaiyun.com/mark_bobo/article/details/109626577mark_boboWed, 11 Nov 2020 17:07:05 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/109592816https://blog.youkuaiyun.com/mark_bobo/article/details/109592816mark_boboTue, 10 Nov 2020 09:58:36 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/109577925https://blog.youkuaiyun.com/mark_bobo/article/details/109577925mark_boboMon, 09 Nov 2020 15:05:15 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/109534459https://blog.youkuaiyun.com/mark_bobo/article/details/109534459mark_boboFri, 06 Nov 2020 16:55:09 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/6339074https://blog.youkuaiyun.com/mark_bobo/article/details/6339074mark_boboThu, 21 Apr 2011 16:38:00 +0800https://blog.youkuaiyun.com/mark_bobo/article/details/6278642https://blog.youkuaiyun.com/mark_bobo/article/details/6278642mark_boboFri, 25 Mar 2011 19:56:00 +0800； archive log list；Database log mode              Archive Mode Automatic archival             Enabled Archive destination            USE_DB_RECOVERY_FILE_DEST Oldest online log sequence     14 Next log sequence to archive   16 Current log sequenc]]>https://blog.youkuaiyun.com/mark_bobo/article/details/6278467https://blog.youkuaiyun.com/mark_bobo/article/details/6278467mark_boboFri, 25 Mar 2011 17:50:00 +0800Target Database：（目标数据库）
      就是需要RMAN对其进行备份与恢复的数据库，RMAN 可以备份数据文件，控制文件，归档日志，spfile.（注意：RMAN不能用于备份联机日志、初始化参数文件和口令文件）
 
recovery catalog： （恢复目录）
    用来保存备份与恢复信息的一个数据库，不建议创建在目标数据库上。RMAN 利用恢复目录记载的信息去判断如何执行需要的备份恢复操作。
    如果不采用恢复目录]]>https://blog.youkuaiyun.com/mark_bobo/article/details/6278428https://blog.youkuaiyun.com/mark_bobo/article/details/6278428mark_boboFri, 25 Mar 2011 17:34:00 +08001、关于HBA
HBA的全称为Host Bus Adapter，即主机总线适配器。
a、总线适配器是个什么东西呢？
我们首先要了解一下主机的结构，一台计算机内部多半由两条总线串在起来(当然实际情况会有不同，这里只讨论常见的，简单的情况)，一条总线叫系统总线，一条叫I/O总线。系统总线上接了CPU，MEmory，cache什么的，I/O总线上接的就是外围设备，现如今最常见的就是PCI总线了。这两条总线之间用桥接的芯片或者说电路连接起来。举个形象的例子，就好比一个城市里]]>