If you have an older processor, using a high number will affect performance. The only caveat is that the higher the number, the more resources, and bandwidth will be used. In this command, we are using 32, but you can set it to a higher number. However, Robocopy supports 1 to 128 threads. If you do not set a number next to the /MT switch, the default number will be 8, which means that Robocopy will try to copy eight files simultaneously. The most important switch to focus on in the above command is /MT, which is the switch that enables Robocopy to copy files in multi-threaded mode.
#Emcopy flags update#
In the command, make sure to update the source and destination paths and the options. Type the following command to copy the files and folders to another drive and press Enter: robocopy C:\source\folder\path\ D:\destination\folder\path\ /S /E /Z /ZB /R:5 /W:5 /TBD /NP /V /MT:32 Search for Command Prompt, right-click the result, and select the Run as administrator option. To use the Robocopy multithreaded feature to copy files and folders to another drive faster, use these steps:
#Emcopy flags how to#
How to use multi-threaded feature with Robocopy
#Emcopy flags windows#
In this guide, you will learn to use the multi-threaded copies feature on Robocopy to speed up the transfer process of files and folders to another drive on Windows 10. Instead of one file at a time using the copy feature built into File Explorer. One particular feature that makes Robocopy special (and often overlooked) is its multi-threaded feature that allows you to copy multiple files simultaneously.
#Emcopy flags windows 10#
Although this works perfectly fine, speed becomes a bottleneck as trying to transfer many files can take a very long time.Īs an alternative, many technical users use Robocopy (Robust File Copy), a command-line tool built into Windows 10 that provides more features to move data to a different location more quickly. Copies file data from one location to another. Synchronise all file data using your preferred robocopy or emcopy command here.On Windows 10, when you need to copy files to another drive, you typically use the standard select, copy, and paste process. SET “destination=dogs and cats\spaniels\springer”Īnd finally sync your file data into the new secured folder structure… SET “source=dogs & cats\spaniels\springer”
This saves a potentially troublesome cleanup exercise later, deleting superfluous data, e.g. Use the above emcopy commands one folder at a time to get your destination folder structure in place, before finally syncing the subfolder you want into the new destination. If you’re copying a subset of data from a bigger source set of data, then never use /MIR or you will run a high risk of loosing data. In practice, permissions were not copied to folders with ampersands in the name using robocopy or emcopy – in fact robocopy didn’t copy permissions at all! *Note how I’ve changed the destination folder to not include the ampersand character. Similar to the robocopy commands above, these emcopy commands worked almost* perfectly for meĮmcopy “%source%” “%destination%” /secfix /xf * /lev:1 I recommend using emcopy to copy folder structures and their NTFS permissions. In real-world practice, I have found that robocopy is woefully unreliable when it comes to copying permissions (using the /e /sec /xf * switches). Robocopy.exe “%source%” “%destination%” /MIRįor more robocopy wisdom, check this post here Or if you can get away with it without breaking links… With that little pearl of wisdom out of the way, what about when your users have used ampersand characters in their folder names and you’re trying to robocopy the data to it’s new home, only to have the copy fail?
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