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From:	Greg Freemyer <greg DOT freemyer AT gmail DOT com>
Date:	Wed, 7 Dec 2016 17:08:26 -0500
Message-ID:	<CAGpXXZJRcoSzg4kw_jmQP5zQqVExhNck0ioE+hZPGSCZRojmxQ@mail.gmail.com>
Subject:	Re: permission question
To:	Brian DOT Inglis AT systematicsw DOT ab DOT ca, cygwin AT cygwin DOT com
X-IsSubscribed:	yes

If I'm going to relegate rsync to the trash bin due to it not
supporting Windows permissions well enough to be useful, I've got
other Windows recursive copy tools I use that don't preserve
permissions either.

I can't tell you how much I love Windows security permissions.  :(

In the mean time I have a huge number of folders now on my destination
drive I need to delete.  (over a million files it seems).

Neither cygwin, nor windows says I have permission to delete them.

Any idea how I can do it short of reformating.

Thanks
Greg
--
Greg Freemyer


On Wed, Dec 7, 2016 at 3:39 PM, Brian Inglis
<Brian DOT Inglis AT systematicsw DOT ab DOT ca> wrote:
> On 2016-12-07 13:12, Erik Soderquist wrote:
>>> I really like cygwin and have used it for a decade plus.  Only in the
>>> last year or 18-months have I noticed significant permission issues
>>> that slow down my workflow.
>>>
>>> Copying these folders/files from one drive to another is a task I'd
>>> like to accomplish, but even more importantly I'd like to understand
>>> how to work with permissions in cygwin.  As it is, I'm concerned I
>>> will have to leave cygwin behind and I don't want to do that.
>>
>> I've been a Windows and Linux admin for years, and Windows permissions
>> can be a pain, but can also be very granular.
>>
>> What I normally do for something like this is use robocopy's "backup mode"
>> switch to bypass permissions on the source entirely and intentionally not
>> copy the permissions to the destination, then set up the permissions I want
>> on the destination after the copy is complete.
>>
>> The "backup mode" option requires either backup operator or local admin
>> permissions to use.
>
> Concur and recommend for local copies:
>
> robocopy src dst /s /sl /xj /copyall /zb /nfl /ndl /np /mt:8 /r:0 /w:0
>
> to copy non-empty directories; keep winsymlinks as is; skip junctions;
> all info; backup fallback; no file, directory, or progress logging;
> 8 threads, no retries, no waits: use /copy (like cp -p) instead of
> /copyall to skip security info.
>
> --
> Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada
>
> --
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