Re: Does rsync verify its writes?

Note that it won't actually tell you that the file was written wrongly 
just that it is different.  In fact, you can only even know that it 
might be detecting a broken file with --itemize-changes and look for 
files with a checksum difference but not a timestamp difference.  Though 
there are legitimate causes for that.

On 7/12/22 17:26, Paul Slootman via rsync wrote:
> On Tue 12 Jul 2022, Kevin Korb via rsync wrote:
> 
>> Rsync does not verify writes.  --checksum doesn't verify anything. Sounds
>> like you want a file verification tool.  The simplest would be md5sum.
> 
> Running rsync --checksum directly after transferring your files will
> verify that the files are written correctly (if the source hasn't
> changed in the meantime). That might help to give some peace of mind.
> 
> 
> Paul
> 
>> On 7/12/22 02:31, Mark Filipak via rsync wrote:
>>> Hello. Does rsync verify its writes?
>>>
>>> Re, 'info rsync'.
>>>
>>> Maybe I just being stupid, but there's no mention of verification in the
>>> 'DESCRIPTION' section, so despite the words in the 'OPTIONS' section,
>>> '-c, --checksum' topic (which I may be misinterpreting), I assume rsync
>>> does not verify except for the checksum directive.
>>>
>>> I admit that I'm paranoid. ;-) ...Please clarify.
>>>
>>> Regards, and Thanks,
>>> Mark Filipak.
>>>
>>
>> -- 
>> ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,
>> 	Kevin Korb			Phone:    (407) 252-6853
>> 	Systems Administrator		Internet:
>> 	FutureQuest, Inc.		[email protected]  (work)
>> 	Orlando, Florida		[email protected] (personal)
>> 	Web page:			https://sanitarium.net/
>> 	PGP public key available on web site.
>> ~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,
>>
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-- 
~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,
	Kevin Korb			Phone:    (407) 252-6853
	Systems Administrator		Internet:
	FutureQuest, Inc.		[email protected]  (work)
	Orlando, Florida		[email protected] (personal)
	Web page:			https://sanitarium.net/
	PGP public key available on web site.
~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,-*~'`^`'~*-,._.,

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