On 13/03/2016 20:47, Stephan von Krawczynski wrote:
On Sun, 13 Mar 2016 09:45:06 +0000
James <li...@xdrv.co.uk> wrote:

On 11/03/2016 15:17, Stephan von Krawczynski wrote:

 > zfs set sync=disabled ?

Only if you are happy to loose data on power failure.

I don't know the actual setup, but if you have no UPC you shouldn't host email
services anyway.

I'm guessing you meant UPS, anyway, a UPS wont protect you from human error.

Also, most buildings, at least in this country, have a fire emergency shutoff requirement, meaning mains is isolated from the building, and the back up gennies are also forbidden to be engaged - UPS's dont last forever.

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