getting to 4K disk blocks in ZFS

[Andriy Gapon]

On 11/09/2014 04:22, Steven Hartland wrote:
> 
> ----- Original Message ----- From: "Aristedes Maniatis" <ari at ish.com.au>
>> Should the FreeBSD project change this minimum in the next release?
>> There seems to be no downside and a huge amount of pain for people
>> who stumble along with the defaults not knowing what a mess they are
>> creating to solve later.
> 
> The downside is wasted space which can be significant and hence when
> I last suggested just this it was unfortunately rejected.
> 
> We still maintain a local patch to our source tree which does just
> this because, as you've mentioned, we don't want the pain so its
> easier to just run everything as 4k.


Another downside is 1/4th of uberblocks, 32 vs 128.
Also, automatic sector size detection works great for me and I've never had a
need to manually tweak ashift.

-- 
Andriy Gapon