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Date:      Tue, 20 Sep 2016 11:38:41 -0400
From:      Anton Yuzhaninov <citrin+bsd@citrin.ru>
To:        "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org>
Subject:   Re: /dev/ad vs. /dev/ada
Message-ID:  <e113d4f1-d2b4-3de1-cdf1-7212928fdc1c@citrin.ru>
In-Reply-To: <wu7y42o7bvo.fsf@banyan.cs.ait.ac.th>
References:  <wu7y42o7bvo.fsf@banyan.cs.ait.ac.th>

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On 2016-09-19 00:27, Olivier wrote:
> I have been using /dev/ad for years, but now I notice there is also the
> drivers /dev/ada. ad is not in the man anymore, but still working like
> it used to.

ad driver was removed and /dev/adX was an alias for /dev/adaY

I recommend to update all your fstab and other config, because this 
aliases was removed and FreeBSD 11 has no this legacy aliases.

See /usr/src/UPDATEING

> 20151011:
>         Compatibility shims for legacy ATA device names have been removed.
>         It includes ATA_STATIC_ID kernel option, kern.cam.ada.legacy_aliases
>         and kern.geom.raid.legacy_aliases loader tunables, kern.devalias.*
>         environment variables, /dev/ad* and /dev/ar* symbolic links.




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