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as one argument will be it's a waste of space, ask 5 for 1 GB lun, and create during the install a disk group called GRID, high redundancy, 5 members.
in case of corruption, having several copies, your cluster will start.
without that, you will have an extended outage that could have been avoided.
Oracle recommended for OCR files and VOTE file/disks ASM redundancy is HIGH with 5 way.
I think you must create a ASM disk group for example OCRVOTE, with HIGH redundancy.
And replace vote disk to new ASM diskgroup, and and change OCR files location to new ASM diskgroup.
Mahir M. Quluzade
Yes, it is a BAD idea. If you have a hiccup on your SAN (maybe a path switch), it can cause a node eviction. I don't think you need to analyze the statement very much to see how I know this...