ZFS in a VM?

krad kraduk at gmail.com
Fri May 29 07:37:33 UTC 2015

in a vm i think its more a manageability thing for me. Its not about
performance as if i wanted that I would be bare metal. Boot environments,
being able to roll back specific  areas of the system are tools not to be
sniffed at.

On 28 May 2015 at 17:21, Luca Ferrari <fluca1978 at infinito.it> wrote:

> On Wed, May 27, 2015 at 9:39 PM, Chad Leigh Shire.Net LLC
> <chad at shire.net> wrote:
> > I do.  I do it not so much for any performance benefits, if any, ZFS
> offers, but more for data integrity.  You need to tune it since the VM
> based disks are not the same as physical disks.  I run into performance
> issues when the “disk” gets to a certain usage level (in terms of used
> capacity).
> I'm not sure ZFS on a virtual disk will help a lot on a disk based
> corruption, but I'm not a guru in this subject.
> I personally tend to use ufs on my virtual machines, relying more on
> the host file system for no data corruption. This allows me to have
> smaller machines and use the ram for other stuff.
> But this is my personal point of view.
> As pointed out in this thread: tuning ZFS on virtual machine is not
> the same as tuning it on real disks (and this is pretty much valid for
> every tuning operation in virtual machines).
> Luca
> _______________________________________________
> freebsd-questions at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to "
> freebsd-questions-unsubscribe at freebsd.org"

More information about the freebsd-questions mailing list