Tomasz Chmielewski wrote:

Double caching is indeed a bad idea. That's why you have cache=off (though it isn't recommended with qcow2).

cache= option is about write cache, right?

Here, I'm talking about read cache.

Or, does "cache=none" disable read cache as well?

cache=writethrough disables the write cache
cache=none disables host caching completely

--
error compiling committee.c: too many arguments to function

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