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? -- Markus