HEADS UP: ZFSv28 is in!

Alexander Leidinger Alexander at Leidinger.net
Mon Feb 28 20:48:57 UTC 2011

On Mon, 28 Feb 2011 19:21:29 +0100 Fabian Keil
<freebsd-listen at fabiankeil.de> wrote:

> Pawel Jakub Dawidek <pjd at FreeBSD.org> wrote:
> > I just committed ZFSv28 to HEAD.
> I updated the system without removing the tuning for ZFSv15
> first, and somehow this completely messed up the performance.
> Booting the system took more than ten minutes and even once
> it was up it was next to unresponsive.
> I'm not sure which sysctl was to blame, but after removing
> all but vfs.zfs.arc_max="800M" and rebooting, the problem
> was gone.

When you add the tuning back, does it take minutes again to boot? If
not, I assume it was cleaning up some leftovers the old version was not
able to cleanup.


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