ZFS MFC heads up

[Lorenzo Perone]

On 20.05.2009, at 22:41, Kip Macy wrote:

> On Wed, May 20, 2009 at 3:11 PM, Mike Tancsa <mike at sentex.net> wrote:
>> At 05:59 PM 5/20/2009, Kip Macy wrote:
>>>
>>> If you choose to upgrade a pool to take advantage of new features  
>>> you
>>> will no longer be able to use it with sources prior to today. 'zfs
>>> send/recv' is not expected to inter-operate between different pool
>>> versions.
>>

> Primarily what was in Pawel's commit to HEAD (see below).
>
> The following changes have also been brought in:
>
> - the recurring deadlock was fixed by deferring vinactive to a  
> dedicated thread
> -  zfs boot for all types now works
> - kmem now goes up to 512GB so arc is now limited by physmem
> - the arc now experiences backpressure from the vm (which can be too
> much - but allows ZFS to work without any tunables on amd64)

great awesome incredible gorgeous superb fantastic excellent supercool

THANX! :-)

* dancing around with loud music csupping all over the place... *

Lorenzo