Support docs Windows node migration

On How to migrate the Windows GUI node from one physical location to another? - Node Operator there is the suggestion to use command robocopy d:\storagenode \\pc2\storage /MIR to copy files.

I suggest maybe to link to the Microsoft support docs at https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/robocopy or amend the command, because Robocopy can be run multithreaded which should have a huge impact on the duration of the copy process.

/MT [:n] Creates multi-threaded copies with n threads. n must be an integer between 1 and 128. The default value for n is 8.

First time I envy the Windows SNOs, because Rsync is only single threaded.

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what the mater threads count? what really matter on copy is HDD speed, that’s all.

This test tells otherwise: https://demartek.principledtechnologies.com/Reports_Free/RMWTUG_2011-03_Robocopy_multithread_Testing_Dennis_Martin_a.pdf

If you have 4xin RAID0 or 8X in RAID0 then yes it make diference, because 4x in RAID0 give you about 400-500MB/S copy if you have 1 disk then i think there is no difference
Most of test are made over TCP/IP there yeas also make difference

I added an internal task for the documentation team.

I would like to suggest to create an issue next time on GitHub: Issues · storj/storj · GitHub

@jammerdan I updated documentation, please, check: How to migrate the Windows GUI node from one physical location to another? - Node Operator

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Well, just tested! Using /mt:8 is a game changer!!!
Uau…what a huge difference.

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