On Thu, Mar 15, 2012 at 3:21 PM, Bob Friesenhahn
<[email protected]> wrote:
>
> The reads likely indicate that 4GB of RAM is not nearly enough.  If the data
> can not be cached in RAM, then it needs to be re-read from disk.
>

Yes, that's quite clear. But why it needs to READ from the pool while
I'm only writing to the ZVOL (with dd)?

BR,
Simone.


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