[mythtv-users] Should I use LVM on this new raid?

[Bill Williamson]

On 9/23/07, John Drescher <drescherjm at gmail.com> wrote:
> > Unless I'm missing something, ZFS doesn't have a compatible license for
> > the linux kernel, hence hasn't been ported.  There is FUSE, apparently
> > a user mode implementation, but not sure I want to do down that road.
> >
> I briefly tested it yesterday at work on a raid that gets over 250MB/s
> (read test under hdparm) and my reads and writes with the zfs-fuse
> driver were around 25MB/s and 5MB/s with compression. I was very
> interested in all its features and everything I did worked but with
> that performance it is not usable for me. Possibly it does not work
> well with non zfs raid or some other reason.
>

I've not hit performance that horrible.  ZFS is expecting to be in
charge of the raw devices, so if you fed it an already-set-up raid
array then that was likely your issue.