Mirko wrote:
> Hi,
> I'm atmost ready to deploy my new homeserver for final testing.
> Before I want to be sure that nothing big is left untouched.
> Reading ZFS Admin Guide About the checksum method, there's no advice
about it.
> The default is fletcher4. there's also SHA256
> Now the sha256 is pretty 'heavy' to calculate, so I think that it's
left out because can impact the performance in some significative way.
right ?

You probably want to read
http://blogs.sun.com/bonwick/entry/zfs_dedup

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