Folks,

As I understand, the hash generated by sha256 is "almost" guaranteed not to 
collide. I am thinking it is okay to turn off "verify" property on the zpool. 
However, if there is indeed a collision, we lose data. "Scrub" cannot recover 
such lost data.

I am wondering in real life when is it okay to turn off "verify" option? I 
guess for storing business critical data (HR, finance, etc.), you cannot afford 
to turn this option off. 

Thank you in advance for your help.

Regards,
Peter
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