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From: Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
Organization: Systematic Software
Subject: Re: Seeing double in /proc/partitions (Win 7 Home)
Message-ID: <cb34f29b-cbd5-1592-989d-df9adcad3625@SystematicSw.ab.ca>
Date: Sat, 31 Jul 2021 16:34:30 -0600
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On 2021-07-31 15:12, Lavrentiev, Anton (NIH/NLM/NCBI) [C] via Cygwin wrote:
> Is there any special reason that most of my drives are shown twice
> in /proc/partitions on my home machine? (it's still Windows 7)
> Notably, all drives in between the first (C:) and the last (S:).
> 
> $ cat /proc/partitions
> major minor  #blocks  name   win-mounts
> 
>      8     0 500107608 sda
>      8     1    102400 sda1
>      8     2 488280064 sda2   C:\
>      8    16 1000204632 sdb
>      8    17 1000202240 sdb1   D:\
>      8    16 1000204632 sdb
>      8    17 1000202240 sdb1   D:\
>      8    32 1000204632 sdc
>      8    33 1000202240 sdc1   G:\
>      8    32 1000204632 sdc
>      8    33 1000202240 sdc1   G:\
>      8    48 1000204632 sdd
>      8    49 1000202240 sdd1   I:\
>      8    48 1000204632 sdd
>      8    49 1000202240 sdd1   I:\
>      8    64 234431064 sde
>      8    65 234428416 sde1   F:\
>      8    64 234431064 sde
>      8    65 234428416 sde1   F:\
>      8    80   1931264 sdf
>      8    81   1931264 sdf1   S:\
> 
> $ uname -a
> CYGWIN_NT-6.1 ANTON 3.2.0(0.340/5/3) 2021-03-29 08:42 x86_64 Cygwin

Do you have any kinds of multi-controller, multi-disk, RAIDx, or other 
hardware or driver setup that could result in some drives being visible 
twice on your system?

To me it looks like you may have six controllers or interfaces on your 
system, two look like usual IDE/PATA/SATE, four something more complex.

Perhaps you could also show output from:

	$ $ df -a ; fsutil volume list

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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