Measuring ZFS configuration differences

Dan Langille dan at
Mon Oct 12 19:56:31 UTC 2015

> On Oct 12, 2015, at 1:00 PM, Dan Langille <dan at> wrote:
> Following up on the discussions during EuroBSDCon 2015 (Stockholm) during the FreeBSD Developer
> Summit regarding various ZFS configuration settings, I write to start our implementation phase now that some
> usual suspects have joined the list.
>  re
> I think the first order of business is granting access rights to the server (varm) in question:
> During the workshop, mention was made of serial access.  I can arrange that.
> The server has IPMI, however, my first thought:
> 1 - connect a USB-serial cable to varm & link that to another server in my rack.
> 2 - create a jail in that server and give it access to that serial connection
> 3 - redirect incoming port XYZ to that jail via a public-key-only ssh connection
> 4 - give people access
> Any suggestions?

For the record, we are working with spinning HDD.  Donations of SSD (either physical or remote usage thereof)
are welcomed.  Our intent is to publish reproducible results which are not dependent upon your particular choice
of HDD (and hopefully, SSD).

Dan Langille

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