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Date:      Thu, 17 Dec 2015 15:04:09 +0300
From:      Anton Sayetsky <vsasjason@gmail.com>
To:        Warren Block <wblock@wonkity.com>
Cc:        Adam Vande More <amvandemore@gmail.com>,  FreeBSD Questions <freebsd-questions@freebsd.org>, Sergei G <sergeig.public@gmail.com>
Subject:   Re: which label to use in mount?
Message-ID:  <CAA2O=b_vCE3oRvPVVaRdUsdmxrR2SMqBjBEffZ2iXkzRLJD5oQ@mail.gmail.com>
In-Reply-To: <alpine.BSF.2.20.1512162038540.36091@wonkity.com>
References:  <CAFLLzCMQtupZX651wR35vrJdXY5Ber8qKPd+5EX4Dkp4iCv=vg@mail.gmail.com> <CA+tpaK3yfkNk0haQ3Ogbc920Go4HUFaik=tWtqyNtsDmJynKLg@mail.gmail.com> <CAA2O=b_AFe+kuyE=6kvMR9rCm-Yz+GjOVefz5zqPSR0aprM11Q@mail.gmail.com> <alpine.BSF.2.20.1512162038540.36091@wonkity.com>

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17 =D0=B4=D0=B5=D0=BA. 2015 =D0=B3. 5:42 =D0=BF=D0=BE=D0=BB=D1=8C=D0=B7=D0=
=BE=D0=B2=D0=B0=D1=82=D0=B5=D0=BB=D1=8C "Warren Block" <wblock@wonkity.com>
=D0=BD=D0=B0=D0=BF=D0=B8=D1=81=D0=B0=D0=BB:
>
> On Wed, 16 Dec 2015, Anton Sayetsky wrote:
>
>> Labels are used when one wants to be independent of disk names and
>> partitions numbers. GPT has native support for labels, thus independent
of
>> filesystem or partition types. GPT labels are also not consuming space o=
n
>> disk because that space already reserved. So if you'll make 200-sectors
>> partition and label it - you'll get 200 sectors available.
>> UFS labels stored in last sector of block device so consuming space.
>
>
> This is true of generic labels, but I'm fairly sure that UFS label
information is stored in filesystem metadata and takes no additional space.
Yep, my fault. Of course metadata.

> If a whole GPT partition is used for a single filesystem, either the GPT
label or the UFS label should work identically.
Maybe TS mounted same partition twice.



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