ZFS in a VM?

krad kraduk at gmail.com
Tue Jun 16 08:14:03 UTC 2015

Unless you are really squeezing the ram it shouldnt be a problem and by
that i mean going below 1 GB. Its also best to stay away from 32 bit if you
want to run zfs.

On 16 June 2015 at 08:13, Raimund Sacherer <rs at logitravel.com> wrote:

> > Good morning. You don’t want to go start mucking with sysctl level things
> > until you have identified issues. Each installation is different,
> especially
> > inside a VM. For example, ours are not VMWare based and probably perform
> > totally differently at the level ZFS uses. Try a stock install and see
> what
> > issues you run up against.
> Good morning to you to :-)
> Yeah, I thought there may be some recommended tuneables for ZFS in a
> virtualised setting. I read about problems with ARC cache size on low
> memory / low free memory systems which could lead to a panic if the ARC
> size grows to some kernel memory limit, so restricting the ARC cache size
> may be needed. But you are right, it seems I just have to throw myself in
> to the water and find out if I can swim.
> Thank you,
> Best
> Ray
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