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Topics - TanMan

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Support and Feedback / Slow Copy in Only One Situation
« on: June 19, 2020, 20:14:01 »
OK. This is very weird. A few months ago, I had some trouble with one of my external RAID5 arrays, so I reinitialized and rebuilt the array. Before I rebuilt it, I was able to copy to it using Multi Commander at normal speed (about 80MB/s), but afterwards, the copy is very slow (about 2.5MB/s). The really weird part is this slow copy ONLY happens when I copy from one drive. If I copy from any other drive to this array, the copy runs at normal speed.

Slow copy screen shot:

https://imgur.com/jIIygCz

Copy from the same source drive to the same destination drive using File Explorer:

https://imgur.com/cSn4C2B

If I copy in Multi Commander using that same source drive (D:) to a different destination drive, that copy runs at full speed. If I copy from that other drive to this destination (U:), it runs at full speed. ONLY when I copy from D: to U: in Multi Commander do I get this slow speed.



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I have several external RAID arrays that appear as separate drive letters in Windows. I agree that if I copy 2 files to the same drive letter, the second file should be queued. But if I copy the second file to a different drive letter, it should open a second copy window and copy both file simultaneously. Right now, copying a second file to a different drive letter queues behind the first. Of course, you could have this as an option, but I think this should be the default behavior. I could not find this option in the app.

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