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Vertex Array Object (VAO) is an OpenGL Object that encapsulates all of the state needed to specify vertex data


A Buffer Object is an OpenGL object that allows users to store data on the GPU



I have issue with drawing big vbo with vao because the vbo has more than 65536 vertices and my vao is just uint that has maximum 65536

from question  

OpenGL large VBO and VAO

Is it possible to use the same vbo with more than one vao like this

from question  

Can a VBO be bound to multiple VAOs?

In this case the vbo is automatically unbound from the currently bound vao but not from other vaos that are not currently bound;if other vaos have references to the vbo the vbo will stay alive until all those bindings are broken or the vaos deleted

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When is What bound to a VAO?

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