ASM new features in Oracle Database 11g
ASM was first time introduced in Oracle Database 10g. Since then lot of improvement has been done. Here I am presenting changes and new feature when you use ASM in Oracle Database 11g environment. -------------------------------------------------------------------------------------- The default parameter settings work perfectly for ASM. The only parameters needed for 11g ASM: ASM_DISKSTRING ASM_DISKGROUPS INSTANCE_TYPE -------------------------------------------------------------------------------------- ASM path are not part of regular OS level I/O. Because of this RDBMS does a raw I/O which will be faster as compared to file system I/O. Since there is no intervention OS. ------------------------------------------------------------------------------------- ASM Fast Mirror Resync - When first time ASM features was released in 10g, Whenever it is unable to complete the write or read operation in a disk, disk was dropped from ASM group. This was relatively costlier oper