[CentOS] ZFS on Linux in production?

Mon Nov 4 18:15:13 UTC 2013
Markus Falb <wnefal at gmail.com>

On 24.Okt.2013, at 22:59, John R Pierce wrote:

> On 10/24/2013 1:41 PM, Lists wrote:
>> Was wondering if anybody here could weigh in with real-life experience?
>> Performance/scalability?
> I've only used ZFS on Solaris and FreeBSD.    some general observations...


> 3) NEVER let a zpool fill up above about 70% full, or the performance 
> really goes downhill.

Why is it? It sounds cost intensive, if not ridiculous.
Disk space not to used, forbidden land...
Is the remaining 30% used by some ZFS internals?