ASM – Automatic Storage Management It’s an oracle 10g feature. ASM is same as normal database instead of storing a DB files on normal filesystem. It will store a file an ASM managed file system, which will give disk redundancy. It only prevents a disk failure not the instance failure. ASM uses a disk group to store the oracle files. A disk group is a collection of disks. It supports single-instance and (Oracle RAC) configurations. ASM only supports for external disk. External disk should be a raw disk, mostly a RAID. “ ASM is a volume manager and a file system for Oracle database files that supports single-instance Oracle…