Downgrade Grid Infrastructure 12.1.0.2 to 11.2.0.4降级后crs无法启动 No voting files found

Last month, after a set of Exadata test environment of our customer environment was downgraded,Downgrade Grid Infrastructure 12.1.0.2 to 11.2.0.4, the downgrade operation was successful, but when starting the CRS, it prompted that the VD could not be found, and the VD checked that it exists.

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