So, in summary, the files and processes involved in the Oracle Clusterware startup sequence are as follows: Oracle Clusterware startup sequence involves a carefully orchestrated process of initializing key components, accessing configuration information, discovering critical cluster resources like the voting disk, retrieving the ASM SPFILE from disk headers, and finally, starting the ASM instance and […]
USABLE_FILE_MB in v$asm_diskgroup can be negative for a number of reasons. The most common reason is that the disk group does not have enough free space to meet the redundancy requirements of its files. For example, if a disk group is configured with NORMAL redundancy, then each file in the disk group must have two […]
Oracle Flex ASM is a feature introduced in Oracle Database 12c Release 2 (12.2) that enhances the flexibility and scalability of the Automatic Storage Management (ASM) storage solution. ASM is a volume manager and file system specifically designed for Oracle databases, providing simplified management of database files and automatic striping and mirroring of data for […]