Michael Bacon <baconm@xxxxxxxxxxxxx> wrote: > I have heard tell of funny behavior that ZFS does if you've got > battery-backed write caches on your arrays. /etc/system: set zfs:zfs_nocacheflush=1 is your friend. Without that, ZFS' performance on hardware arrays with large RAM caches is abysmal. Some arrays do have the possibility to ignore these flush requests although, but still following them when internal battery storage is faulted or in phase of regeneration (alltogether with setting write-through-mode on). Pascal ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html
