On Wed, 2 Jan 2013 13:04:50 +0000 Neil Bothwick <n...@digimed.co.uk> wrote:
> On Thu, 27 Dec 2012 02:18:00 +0200, Alan McKinnon wrote: > > > There is no more weird partitions from the days of DOS, no PV/VG/LV > > to remember the details of. There is only storage and ZFS knows > > what I want to happen with each "chunk" of it. A "chunk" (my term) > > in this context is a directory and everything below it. > > > > ZFS doesn't have partitions and filesystems. It has volumes. A > > volume is sort of a cross between a filesystem (you mount it and > > can assign quotas to it) and a directory (you assign permissions > > and ownerships to it). You can overcommit storage space and quotas > > - you do not get "disk full" errors and three days of nightmares > > while you figure out how to deal with this. the FS just tells you > > it used more than the allocated space and keeps telling you till > > you get it under the limit. > > I've been looking at zfsonlinux and it looks a lot simpler than the > layers of RAID and LVM, but what about encryption. Can I encrypt > directories within ZFS or do I have to use something like ecryptfs on > top of it? AFAIK, Oracle included encryption in ZFS v30 but this has not been released as opensource. The last OSS version released was 28. What this means to me is that devs could include disk-encryption but they probably won't have a standard to code to, and that implies a whole lotta YMMV. You'd have to use ecryptfs or friends for now. -- Alan McKinnon alan.mckin...@gmail.com
