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Re: [Xen-users] Dom0 for FreeBSD or Illumos

Gordan Bobic wrote:
On 07/23/2014 12:09 PM, Ian Campbell wrote:

On July 22, 2014 5:24:07 PM GMT+01:00, Miles Fidelman
<mfidelman@xxxxxxxxxxxxxxxx> wrote:
Anybody know if we're every going to see Dom0 support for either FreeBSD or Illumos? It sure would be nice to be able to run Xen over ZFS.

If the primary motivation for FreeBSD or Illumos is ZFS, the Linux ZFS implementation works very well for me. I use it in dom0 and have my VM images on zvols, with CIFS and NFS shares also exported from dom0 and mounted in domUs.

Hi Gordon,

That's the primary motivation. I'd like to move from Xen+md+LVM+DRBD to Xen+ZFS+DRBD for a couple of high-availability virtual machines running on a small cluster.

Secondary motivation is getting more concerned by the development directions of Linux (monolithic systemd, redhat domination of the linux world, that sort of thing) - less sure that I want to keep our cluster on Debian, or Linux - and the illumos world seems to be getting real as a serious 3rd open-source Unix platform (OpenIndiana and SmartOS look particularly sweet). illumos has ZFS but no Xen (we need full paravirtualization for our older machines) and no equivalent of DRBD. FreeBSD has ZFS and HAST but no Xen Dom0. NetBSD seems to have Xen Dom0 (maybe slightly old, support seems questionable), but no ZFS. Sigh...

I've been a bit scared by ZFS on Linux - at least the development web site makes it looks like the software is all beta, with not a lot of progress toward a real 1.0 release - gives off kind of a "not ready for prime time" feel. What platform are you running, and what's been your sense of readiness for production use?



In theory, there is no difference between theory and practice.
In practice, there is.   .... Yogi Berra

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