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

Bill Williamson bill at bbqninja.com
Sun Sep 23 05:17:31 UTC 2007

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.

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