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Reply-To: Brian DOT Inglis AT SystematicSw DOT ab DOT ca
Subject: Re: A permissions puzzle
To: cygwin AT cygwin DOT com
References: <23ecb190-1382-ed1e-20f2-93b44ddf641f AT cs DOT umass DOT edu> <273794590 DOT 20191221174843 AT yandex DOT ru> <5a63e3e3-6157-e3f4-8bce-e2c671647604 AT cs DOT umass DOT edu> <84255768 DOT 20191222153427 AT yandex DOT ru> <1f368338-73a4-66a5-88c9-67c06071dc1c AT cs DOT umass DOT edu>
From: Brian Inglis <Brian DOT Inglis AT SystematicSw DOT ab DOT ca>
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Date: Sun, 22 Dec 2019 13:43:44 -0700
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On 2019-12-22 06:08, Eliot Moss wrote:
> On 12/22/2019 7:34 AM, Andrey Repin wrote:
> 
>> Drive has specific network path, use it.
> 
> Thank you, Andrey, but with (admittedly minimal) searching and
> playing around, I could not figure out how to determine what
> that path is.  This is a locally attached (USB) external drive.
> And I may be on networks where network discovery is not wise ...

https://www.online-tech-tips.com/computer-tips/how-to-change-the-drive-letter-in-windows-xp-for-an-external-usb-stick-or-hard-drive/

With drive inserted, run:
Computer Management/Storage/Disk Management/select Removable Drive/context menu
Change Drive Letter and Paths/Change button/either select Assign...letter/select
letter/or select Mount in...folder/browse or type path to an empty folder/OK/OK.

List by volume label:

$ wmic logicaldisk where "VolumeName='LABEL'" list brief
DeviceID  DriveType  FreeSpace     ProviderName  Size          VolumeName
D:        3          797638373376                999007711232  LABEL

> Is there a canonical network name for a locally attached drive with a
> particular label?

Windows doesn't really use labels, but there is a local volume GUID:

$ mountvol	# lists all volume paths \\?\Volume{...}\
$ l /proc/sys/GLOBAL\?\?/Volume\{...\}/
'$Recycle.Bin'/             PerfLogs/               swapfile.sys
'Documents and Settings'@  'Program Files'/        'System Volume Information'/
 hiberfil.sys              'Program Files (x86)'/   Users/
 OEM/                       ProgramData/            Windows/
 PageFile.sys               Recovery/
$ l /proc/cygdrive/d/
'$Recycle.Bin'/             PerfLogs/               swapfile.sys
'Documents and Settings'@  'Program Files'/        'System Volume Information'/
 hiberfil.sys              'Program Files (x86)'/   Users/
 OEM/                       ProgramData/            Windows/
 PageFile.sys               Recovery/
$ cmd /c 'dir /a \\?\Volume{...}\'
 Volume in drive \\?\Volume{...} is LABEL
 Volume Serial Number is XXXX-XXXX

 Directory of \\?\Volume{...}

2018-09-21  15:26    <DIR>          $Recycle.Bin
2018-09-19  15:09    <JUNCTION>     Documents and Settings [C:\Users]
2018-09-21  11:13     7,448,412,160 hiberfil.sys
2018-09-20  13:23    <DIR>          OEM
2019-12-07  04:06     8,589,934,592 PageFile.sys
2018-04-11  16:38    <DIR>          PerfLogs
2018-09-20  19:51    <DIR>          Program Files
2018-09-20  19:51    <DIR>          Program Files (x86)
2018-09-20  18:13    <DIR>          ProgramData
2018-09-20  17:53    <DIR>          Recovery
2018-09-21  11:01       268,435,456 swapfile.sys
2018-12-04  17:56    <DIR>          System Volume Information
2019-03-20  07:49    <DIR>          Users
2018-09-20  18:09    <DIR>          Windows
               3 File(s) 16,306,782,208 bytes
              11 Dir(s)               0 bytes free

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

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too much technical detail. Reader discretion is advised.

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