Month: March 2014

How to duplicate or multiplex control files on ASM ?(复制控制文件)

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ON single-instance 1, make sure asm diskgroup is avaliable Select name,total_mb,free_mb from v$asm_diskgroup where state=’CONNECTED’; 2, check current controlfile and using spfile show parameter control_files show parameter pfile 3, add new controlfile to spfile alter system set control_files='[original file]’,'[asm diskgroup name where new control file will stored]’ scope=spfile ; for example: alter system set control_files=’+OLD/ANBOB/controlfile/current.258.798205861′,’+NEW_DATA’ … Read more

RedHat(RHEL)6 support ASMLIB (RHEL6支持asmlib)

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With the annoucement of Oracle’s database support on RHEL6 and OEL6, they have decided to stop making ASMLIB for RHEL compatible kernels. ASMLIB is now only available if you are using Oracle Unbreakable Linux Kernel.But Recent events enabled Red Hat and Oracle to work togethe. Oracle ASMLib availability and support on Red Hat Enterprise Linux 6.

Script:List all SQL in the library cache cursor referencing a given table .(列出指定表上所有相关SQL)

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PROMPT List all SQL in the library cache cursor referencing a given table — Author: weejar — — you need to run this script either as SYS or — need to have relevant X$ proxy views created — I tested in oracle 11g it worked . undefine owner undefine table_name prompt accept owner prompt ‘Please … Read more