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Date:      Wed, 27 May 2015 17:12:23 -0400
From:      Baho Utot <baho-utot@columbus.rr.com>
To:        Jon Radel <jon@radel.com>, freebsd-questions@freebsd.org
Subject:   Re: FreeBSD 10.1 + ZFS
Message-ID:  <55663337.4050806@columbus.rr.com>
In-Reply-To: <55662C35.4000802@radel.com>
References:  <5563939F.2070303@columbus.rr.com>, <86oal8gu30.fsf@red.stonehenge.com>, <5563A6E0.4010402@columbus.rr.com> <86382kgoi8.fsf@red.stonehenge.com>, <20150526030812.8e749982.freebsd@edvax.de>, <20150526034748.GA1674@WorkBox.Home>, <5564E1CE.2040700@columbus.rr.com> <5564E6F5.1090306@radel.com>, <5564EF07.2080603@columbus.rr.com> <20150527000713.GA3257@WorkBox.Home>, <CADqw_g+rHfZCC4oDRLZYHjYO5BNTTgaejU53062Qmfx8cefO9Q@mail.gmail.com> <SNT146-W323F8A94EFA6EA618FBD27A1CB0@phx.gbl> <55661AA5.9030403@columbus.rr.com> <55662C35.4000802@radel.com>

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On 05/27/15 16:42, Jon Radel wrote:
> On 5/27/15 3:27 PM, Baho Utot wrote:
>>
>> I do understand how ZFS works I am using it (ZFS RAID-Z1) on three 
>> boxen but not as the root file system.
>>
>>
> <snip>
>>
>> You cannot do RAID-Z2 with three drives only as RAID-Z2 has two 
>> parity drives
> You either contradict yourself or you have a shaky understanding of 
> the word "cannot".  Not recommended, quite possibly not the best way 
> to use 3 disks, sure....    Cannot, well, not so much.

Ok tell me how you have two parity drives with using only three drives.  
It can  not be done.


>
> Personally, I think this discussion might have gotten off to a much 
> better start if you'd started out by telling us that you couldn't use 
> the installer because you weren't in a position to use your entire 
> disks; all of which is entirely absent in your initial mail.
>

I was very clear what I wanted to do.

 From my first post:

I have found wiki.freebsd.org/RootOnZFS/UFSBoot.

I think it is out of date as it is using fixit.

I am looking for something that I can use that drops to manually 
partitioning during the install.

end post


How to install FreeBSD 10.1 to a zfs filesystem dropping to manual 
partitioning, whether to a single drive with or with out using the 
entire drive is not material.

> Several people have now given you links to various cookbooks for doing 
> what I understand you want to do, or more precisely, as close as 
> anything published is likely to be to meeting your exact needs. Pick 
> one and see how it goes.  I'd suggest really good backups first.
>
> --Jon Radel
> jon@radel.com
>

The links supplied (two)
     1.     was a link to the handbook using auto partitioning, doesn't 
answer the question in any way
     2.    a hack not using the installer, doesn't answer the question 
in any way


Looks like I am on my own





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