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A Windows 2012 server is showing paths starting with D: and with D:2 in Resource Monitor, e.g.:

System        4      D:2\$LogFile
sqlservr.exe  1808   D:2\SQL\LOG\Sp2013_Config_log.ldf

Screen capture from the Disk pane of Resource Monitor showing file paths starting with "D:2\"

What does it mean when a path begins with "D:2\" rather than "D:\"? Is this particular to Resource Monitor?

I found this similar question, What does "C:0" mean in file path?, but I don't think we are using mounted volumes as in that question and it hasn't been answered anyway.

Assuming it is related to mounted volumes, I found this thread on TechNet that supports the suggestion that it is related to both mounted volumes and Resource Monitor but doesn't give any explanation:

https://social.technet.microsoft.com/Forums/en-US/c9e88df7-cc05-41ae-8e5c-dee9a9654ea5/what-does-c0-in-the-path-mean?forum=winserverfiles

Here is the view from Disk Management as requested:

Screenshot of Disk Management showing the D: drive

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You are almost certainly using a mounted volume. Post a screenshot of diskmgmt.msc if you'd like confirmation.

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  • Yes, please - posted. – Kendall Lister Jun 22 '16 at 4:13
  • Can you show all disks? There seem to be a bunch that aren't on the screenshot you sent. – MDMarra Jun 22 '16 at 13:29
  • Sure - I'd hoped just the D: drive would suffice, but I've updated the screenshot to show all drives. – Kendall Lister Jun 23 '16 at 0:38
  • Does my updated screenshot confirm the presence of mounted volumes? If you could explain what I should be looking for or link to some documentation I can accept your answer. Thanks! – Kendall Lister Jul 4 '16 at 0:04
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    I assume that this output from mountvol D: /L confirms that the server has mounted volumes: \\?\Volume{48ff3e96-756e-4f22-838b-113a62c10886}, but I still can't find any documentation explaining the D:2 in the path in displayed in Resource Monitor. – Kendall Lister Jul 11 '16 at 1:04

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