ZFS raidz and 4k sector disks

[Alexey Tarasov]

On 28.03.2010, at 20:49, Thomas Zander wrote:

> On Sun, Mar 28, 2010 at 15:03, Alexey Tarasov <me at lexasoft.ru> wrote:
>> According to mailing lists, these drives can't be configured to present 4k sectors to OS.
> 
> Maybe that's a dumb idea, but I am curious.
> As far as I understand, the following points apply:
> - EARS and RAIDZ is slow, but
> - if you make ZFS aware of the 4k sector size (gnop), performance is okay
> 
> If so, what happens if you configure geli for the whole drive with 4k
> sectors? Maybe you get AES-128 for free :-)

What do you mean "for free"? =)


--
Alexey Tarasov

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