Raw devices support in oracle db 12

According to some info from oracle support. Block devices will not be supported from next version of oracle – 12. Seems that oracle completely moves to ASM.

At this moment, oracle RAC 11.2 installer does not allow to use block/raw devices at installation phase. Later one can change location of voting disks and ocr to block devices. This will work on linux only.
note: it’s not possible to store voting files on both ASM and block devices

To move voting files use:
crsctl replace votedisk {+asm_disk_group | path_to_voting_disk}

For ocr:
ocrconfig -replace current_OCR_location -replacement new_OCR_location

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