[debbugs-tracker] bug#20909: closed (incorrect partition size calculation)

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Your message dated Thu, 02 Jul 2015 14:02:14 -0400
with message-id <address@hidden>
and subject line Re: bug#20909: incorrect partition size calculation
has caused the debbugs.gnu.org bug report #20909,
regarding incorrect partition size calculation
to be marked as done.

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-- 
20909: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=20909
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> --- Begin Message ---
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> Subject: 
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> incorrect partition size calculation
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> Date: 
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> Sat, 27 Jun 2015 05:19:03 +0300
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> User-agent: 
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> Mozilla/5.0 (Windows NT 5.2; rv:31.0) Gecko/20100101 Thunderbird/31.7.0
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> Hello, All!
>
> incorrect partition size calculation
>
> # parted -v
> parted (GNU parted) 2.3
>
> Model: ATA HGST HUS724040AL (scsi)
> Disk /dev/sda: 7814037168s
>
> how to reproduce:
>
> parted -s /dev/sda mklabel gpt
> parted -s /dev/sda -a none mkpart primary 34s 2047s
> parted -s /dev/sda set 1 bios_grub on
> parted -s /dev/sda mkpart primary 2048s 2099199s
> parted -s /dev/sda set 2 raid on
> parted -s /dev/sda mkpart primary 2099200s 102764543s
> parted -s /dev/sda set 3 raid on
> parted -s /dev/sda mkpart primary zfs 102764544s 7814037134s
>
> parted
> (parted) unit s
> (parted) print free
> Model: ATA HGST HUS724040AL (scsi)
> Disk /dev/sda: 7814037168s
> Sector size (logical/physical): 512B/512B
> Partition Table: gpt
>
> Number  Start       End          Size         File system  Name     Flags
>  1      34s         2047s        2014s                     primary 
> bios_grub
>  2      2048s       2099199s     2097152s                  primary  raid
>  3      2099200s    102764543s   100665344s                primary  raid
>  4      102764544s  7814037134s  7711272591s               primary
>
> (parted)
>
> =======================================
>
> parted reports what /dev/sda4 partition has size of 7711272591s
> but this is not true, partition size is 7711272590s:
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> 7814037168 - 2014 -  2097152 - 100665344 - 34 - 34 == 7711272590
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> P.S.
>
> sorry, I can't find bugzilla for parted and can't check
> what this bug for parted was previously reported and fixed.
>
> --
> Best regards,
>  Gena
>
>
>
> --- End Message ---
> --- Begin Message ---
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> Subject: 
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> Re: bug#20909: incorrect partition size calculation
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>
>
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> Date: 
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> Thu, 02 Jul 2015 14:02:14 -0400
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> User-agent: 
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> Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0
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>
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>
> On 6/29/2015 2:37 PM, Gena Makhomed wrote:
> > > You are off by 1. start and end are inclusive so the size of sda4 is:
> > >
> > > 1 + (7814037134 - 102764544) = 7711272591
>
> Closing for this reason.
>
> > BTW, "start and end are inclusive" - IMHO is very bad decision,
> > because now it is not possible to partition disk using MiB units
> > and always need use sectors and make all calculations manually.
>
> No.. MiB units work just fine.
>
> > for example, parted -s /dev/sda mkpart primary 34s 1MiB
> > now use one sector from second MiB and next partition
> > will be created as unaligned.
>
> No, it doesn't... the partition ends on sector 2047, so the next 
> partition can start on sector 2048.
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> --- End Message ---