[debbugs-tracker] bug#18920: closed (Parted always chooses the logical sector size.)

[GNU bug Tracking System]

Your message dated Wed, 05 Nov 2014 14:30:33 -0500
with message-id <address@hidden>
and subject line Re: bug#18920: Parted always chooses the logical sector size.
has caused the debbugs.gnu.org bug report #18920,
regarding Parted always chooses the logical sector size.
to be marked as done.

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-- 
18920: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=18920
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> Subject: 
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> Parted always chooses the logical sector size.
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> Date: 
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> Sat, 01 Nov 2014 16:40:33 +0530
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> Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.8.0
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> Can someone please add an option to set the sector size to custom or/and 
> the physical sector size?
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> --- Begin Message ---
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> Subject: 
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> Re: bug#18920: Parted always chooses the logical sector size.
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> Date: 
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> Wed, 05 Nov 2014 14:30:33 -0500
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> User-agent: 
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> Mozilla/5.0 (Windows NT 6.1; rv:31.0) Gecko/20100101 Thunderbird/31.2.0
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> On 11/4/2014 9:56 AM, dE wrote:
> > Yes, the kernel reports both -- the logical and the physical.
> > Parted knows about it, it shows both the logical and physical
> > sector size, but then also it uses the logical sector size. It
> > should not. There must be an option at least, and I suggest it
> > should be made the default otherwise the partitions may start
> > unaligned.
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> Incorrect:  the logical sector size is what the drive uses to address
> sectors, and therefore, how all software, including partitioning tools
> addresses the drive.  The physical sector size is only provided as a
> hint about the internal structure of the disk because it can have
> performance implications.  Partitioning tools use this information to
> pick the optimal alignment.  If you run parted -a min, it will take
> care to align partitions to a 4k boundary, aka a multiple of 8 logical
> sectors.
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