作者： dbsupport
-
ASM Virtually addressed metadata- Continuing Operations Directory
Continuing Operations Directory简称COD，是ASM的4号文件，该文件的作用是记…
-
ASM Virtually addressed metadata-Active Change Directory
Active Change Directory简称ACD，是ASM的3号文件，我们都知道redo日志记录了数据…
-
ASM Virtually addressed metadata-Disk directory
Disk directory是asm的2号文件，对于磁盘组中的每一个磁盘都有对应的磁盘条目记录该asm磁盘的磁…
-
ASM Virtually addressed metadata-File Directory
前面一一介绍了Physically addressed metadata，现在来聊聊ASM的Virtually…
-
ASM Physically addressed metadata-Partner and Status Table
Partner and Status Table(PST)位于asm磁盘的第二个AU(AU1),也属于Phys…
-
ASM Physically addressed metadata-Free space table和Allocation table
Allocation Table(AT)和Free space table(FST)都属于Physical…
-
ASM Physically addressed metadata-disk header
在asm世界里，几乎所有计数都是从0开始，比如磁盘号、AU号、asm块号、file extent号等等。a…
-
Oracle Crash due to Controlfile sequence# reached 0xffffffff
近期某客户的一个Oracle数据库的controlfile sequence#居然达到了最大值（42亿 即 0…
-
当遭遇ORA-00600 [kkdlron-max-objid], [4254950911] 怎么办
今天同事反馈有客户环境遇到ORA-00600: [kkdlron-max-objid], [425495091…