ASM

How to Create a ASM Disk Group

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To isolate non-crucial backups from crucial data in the current disk group DATA, a separate new disk group with new disks is needed to put all backups. For meeting our new requirement, we plan to create a disk group called FRA, i.e. Fast Recovery Area, by ourselves. The utility that we are going to use […]
ASM

How to Clean ASM Candidate Disks

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OS administrator might claim the candidate disks prepared for you to install ASM are newly created and very clean. But if they are not, then, you will meet failure during installing ASM, and never know the reason.Maybe you can mount the ASM diskgroup through ASMCA if you decide to ignore the error, but you will still […]