Measuring ZFS configuration differences

[Marcelo Araujo]

2015-11-18 3:14 GMT+08:00 Dan Langille <dan at langille.org>:

>
> On Nov 12, 2015, at 1:30 AM, Marcelo Araujo <araujobsdport at gmail.com>
> wrote:
>
>
>
> 2015-11-12 6:34 GMT+08:00 Dan Langille <dan at langille.org>:
>
>> On Oct 12, 2015, at 1:00 PM, Dan Langille <dan at langille.org> 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 https://wiki.freebsd.org/201510DevSummit/Performance
>> >
>> > I think the first order of business is granting access rights to the
>> server (varm) in question:
>> >
>> >  http://dan.langille.org/2015/07/19/varm/
>> >
>> > 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.
>>
>> Marcelo: At EuroBSDCon, was it you who mentioned a particular
>> configuration for the test machine which made
>> it easy to configure and run tests?  Was it PXE booting or something?
>>
>> > 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?
>>
>> —
>> Dan Langille
>> http://langille.org/
>>
>>
> Hello Dan,
>
> Yes, was me :)
>
> I mention about zopkio test framework.
> I gave a presentation last weekend at PyCon Hong Kong about it.
>
> Here is my slides:
> http://www.slideshare.net/araujobsd/functional-and-scale-performance-tests-using-zopkio
>
> The good of Zopkio is, we can write tests at once and run it as much as we
> want in different machines. Also Zopkio depends of Naarad, that can parse a
> CSV file and create metrics and SLA over those metrics, plot graphs and so
> on. Pretty nice tool!!!
>
> I'm wondering if we could start to test something and maybe show it at
> AsiaBSDCon and BSDCon(Canada) next year? What do you think?
> What I need right now would be a list of tests that we want to perform as
> well as what parameters we would like to take as metrics to compare.\
>
>
> For tests, we can start with this list:
> https://github.com/dlangille/zfs_benchmarks/issues
>
> We can start as soon as I figure out how to provide access to the
> testers.  See above re serial connection.
>
> I want to provide access, but I want to keep access restricted to only
>  this box and not to the rest of my home LAN.  I plan to do this via a
> VLAN.
>
> I could fire up a Rasperberry Pi and allow ssh into that.  Will that be
> enough
> power for what you need to do?
>
>
First of all, thanks to share the tests cases.

If I use zopkio, the best would be access SSH direct to the target machine
where I need to run the tests. For zopkio, I need to have my SSH KEY on the
target machine.

As I don't know your network, maybe what you could do is: Via RasperBerry,
forward the SSH to the target machine, I will pass-through via your
RasperBerry where you can control the access for the rest of your LAN.

Another approach could be, two different subnets and a firewall. Or as you
said, VLANS.


Best,
-- 

-- 
Marcelo Araujo            (__)araujo at FreeBSD.org
\\\'',)http://www.FreeBSD.org <http://www.freebsd.org/>   \/  \ ^
Power To Server.         .\. /_)