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Computers see different versions of same shared file

Posted on 2011-09-14
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Last Modified: 2012-05-12
Hi everyone,

I've got a really WEIRD problem on my client's computers, that I really need to solve.  I'm totally baffled and need some help.

Here's the setup:
There is an Excel file located on a file share on a Netgear ReadyNAS.    
The client computers are both running Windows 7 with Excel 2010.
The share is mapped on both computers as the V: drive.

On computer A, he sees the file with a timestamp of 9/14/11.
On computer B, she sees the exact same file, on the exact same file share, with a timestamp of 8/30/11.    When she opens up the file, it is showing data from 2 weeks ago.  It's not the current version of the file at all!   It doesn't even look like the file that Computer A sees.

If he renames the file, she can see the new filename and the new data.    If he names the file back to the old name, she again sees the file as 8/30 with the old data.

I'm totally at a loss to explain this.   Can anyone please help?   They need to be looking at the same version of the file.
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Question by:Justin Goo
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by:djpazza
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Very strange !

1) check to see if offline files / folder is available offline - Check sync center.

2) There might be options on the share for caching if so try turning this off.
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by:nobus
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i would say they are NOT looking at the same file - so check that through
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by:Justin Goo
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I doublechecked.   They manually typed the path \\pm-nas\shared and looked at exactly the same file on both computers.   They came up with 2 different timestamps and 2 different files.

And there is no offline file thing turned on, on either machine.    That's what I thought it was too.   But the folders look normal (no little offline sync thing in the corner).
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by:djpazza
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by:nobus
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try copyin,g the file to another location, and delete it on the original location, to check if you still get 2 different files
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by:Justin Goo
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I don't think it's a share cache.  I read through those instructions and I don't think they apply to a NAS.
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Author Comment

by:Justin Goo
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We tried copying the file off and deleting the old one.
Then when we copied it back, Computer B STILL saw the old timestamp.

It's so weird!
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Accepted Solution

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Justin Goo earned 0 total points
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Okay gang... I THINK I have this figured out.

It isn't that Computer B was caching a copy from 8/30.
It was that Computer A had offline files turned on, and he was actually updating an offline copy.   So the copy that was on the actual NAS share itself was only 8/30.   And the copy that he had locally was updated to 9/14, and it wasn't syncing for some reason.

I've disabled Offline Files on ALL computers now, and I think it's working right.   I think...
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by:Justin Goo
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My big worry now is... If he was only updating locally cached copies of files, what if there were other files he was updating that didn't sync with the share??  I don't want him to come back and only find old versions of files, and all his recent work gone.  Now that I disabled offline files, are they all lost?  Is there any way to get to the cached files if offline files is disabled?
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by:nobus
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best backup before disabling them - in case you need them from %Windir%\CSC folder
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by:Justin Goo
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I've already disabled Offline Files.   Are those files going to disappear?  Or are they still accessible?
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by:nobus
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Author Closing Comment

by:Justin Goo
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Problem was figuring out that Computer A was the one that was caching, and updating only a cached file.
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