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Date:      Wed, 13 Jan 2010 00:28:43 +0100
From:      Rolf Nielsen <listreader@lazlarlyricon.com>
To:        krad <kraduk@googlemail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: zpool upgrade - is it safe?
Message-ID:  <4B4D05AB.5060905@lazlarlyricon.com>
In-Reply-To: <d36406631001121357w48b5d516me2ac2534ac5f94ab@mail.gmail.com>
References:  <4B4CAD19.7070804@lazlarlyricon.com> <d36406631001121357w48b5d516me2ac2534ac5f94ab@mail.gmail.com>

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On 2010-01-12 22:57, krad wrote:
>
>
> 2010/1/12 Rolf Nielsen <listreader@lazlarlyricon.com
> <mailto:listreader@lazlarlyricon.com>>
>
>     Hi all,
>
>     I just upgraded to a more recent version of 8.0-STABLE, and I
>     noticed during boot that zfs had changed from version 13 to version
>     14. Is it safe to run zpool upgrade -a on a system while in
>     multiuser, or will I have to take some security measures, such as
>     creating a complete backup and/or booting into singleuser?
>
>     Rolf Nielsen
>     _______________________________________________
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>
> Its fine to upgrade a pool in multi user mode as it is with most things
> zfs. However beware when up upgrade a pool as once you have you cant go
> back, and if you want the revert to your previous install you wont be
> able to. Therefore a general rule of thumb is unless you need a new
> feature on a new pool version dont upgrade it. A least wait a few weeks
> until your new install is fully bedded in and tested

Thanka. Since I have no idea what "passthrough-x aclinherit support" 
does and I've been fine without it so far, I guess I'll stick with 
version 13 for now then. :)



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