Options for zfs inside a VM backed by zfs on the host

Marcus Reid marcus at blazingdot.com
Thu Aug 27 06:20:15 UTC 2015


On Wed, Aug 26, 2015 at 11:10:44PM -0700, Marcus Reid wrote:
> On Wed, Aug 26, 2015 at 05:25:52PM -0400, Vick Khera wrote:
> > Opinions? Preferably well-reasoned ones. :)
> 
> However, having the ARC eating up lots of memory twice seems pretty
> bletcherous.  You can probably do some tuning to reduce that, but I
> never liked tuning the ARC much.

I just realized that you can turn primarycache off per-dataset.  Does it
make more sense to turn primarycache=none on the zvol on the host, or on
the datasets in the vm?  I'm thinking on the host, but it might be worth
experimenting.

Marcus


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