Extract Datafile From Damaged ASM Disk group

1. PRM 3.1 For Oracle
ASM
Download PRM 3.1 from http://www.parnassusdata.com/

2. ASM diskgroup failed to be
mounted
• metadata damaged ?
• lost one of asm disk
• oracle asm bug?

3. Extract Datafile From
Damaged ASM Disk group
• PRM read ASM metadata into embedded
database
• if disk group failed to mount , try PRM
• it’s absolutely easy
• this feature is totally free