Timestamps sometimes syncronized, sometimes not ...

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svartberg
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Timestamps sometimes syncronized, sometimes not ...

Hi, I'm using this awesome tool for regular large volume backups.

But it doesn't always synchronize timestamps to local properly (the "changed" column date), and instead uses current time.
Trying to upload manually noticed the "bad files" (that don't sync timestamps) will always have this problem, while the "good files" will always sync timestamps properly.
Did not notice anything common for those files, happens despite of file sizes and such.

I rely heavily on timestamps for my backup system, so I gotta sort this out somehow before resuming the backups.

Winscp Version 5.1.5 (build 3261)
Operating System : windows vista 64bit
Transfer Protocol : SFTP (I think server uses sftp-3)
Method : problem occurs both in manual GUI & scripted synchronization
File types : compressed & encrypted (256bit) 7z files

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martin
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Re: Timestamps sometimes syncronized, sometimes not ...

Please attach a full log file showing the problem (using the latest beta version of WinSCP). Ideally for a single "Bad" file.

To generate log file, enable logging, log in to your server and do the operation and only the operation that causes the error. Submit the log with your post as an attachment. Note that passwords and passphrases not stored in the log. You may want to remove other data you consider sensitive though, such as host names, IP addresses, account names or file names (unless they are relevant to the problem). If you do not want to post the log publicly, you may email it to me. You will find my address (if you log in) in my forum profile. Please include link back to this topic in your email. Also note in this topic that you have emailed the log.
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Martin Prikryl

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martin
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Thanks. Can you please also post a log for a file that does not have the problem? Also it would be nice if you at least keep the directory listing record for that file intact.
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svartberg
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Doh that actually worked ! :D
Tested with several files, disabling temp file resume thing definitely sorted the issue

So is this a bug ? or will I need to work around it by disabling resume support via temp files some how ?

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martin
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svartberg wrote:

Doh that actually worked ! :D
Tested with several files, disabling temp file resume thing definitely sorted the issue

So is this a bug ? or will I need to work around it by disabling resume support via temp files some how ?
Looks like a server-side bug to me. Looks like the server does not properly serialize the requests. But that's just a guess. I do not understand, what's going on there. Is there some special file system?
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svartberg
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Ok not sure how to find out, using ADrive but they don't specify this anywhere on their site.

I've sent their support a message, hopefully they'll follow up in a week, cheers mate

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svartberg
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Ok I have received word from the server providers

They've informed me their OS system File System is proprietary to their company, and as such they have to keep this info for security reasons.

So I guess I'll have to find a workaround to my problem ..

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svartberg
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Issue update

Upgraded to latest version of WinSCP and noticed something interesting (while using temp files resume)
After I upload the file it gives me the attached error message

If I click retry it then writes the proper timestamps (!)
I guess you were right, for some reason the server might have gotten the timestamp set command before the temp file been renamed

Description: error image

ScreenShot338.jpg

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