HDD is fine in Linux, but slow on Win10

Eragon615

Prominent
May 23, 2017
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tl;dr My new 6TB HDD is running fine on Linux, but is unusable on Windows 10.

The Full Story:

So at the risk of sounding like a cliche, I run a dual boot setup with Linux as my go to for doing stuff and Windows 10 for running basically anything that isn't on Linux, primarily games. Steam is my go to for games, so much so that I filled a 2TB HDD soley designated for Steam games. So I bought a 6TB, and then my problems started.

So its a 6TB Toshiba with a 128 MB cache and 7,200 RPMs. I picked it up on Newegg, so it should be legit. I popped it in my computer, booted into Ubuntu, fired up gparted and formatted it as NTFS. I copied my Steam library over, and everything went fine. Now I boot into windows to test it. I load up disk management and it's there, but it won't let me assign a drive letter, or really do anything other than format it. Oh well I think, I'll just format it again and copy from windows this time. Except that formatting it results in an IO error and shows it to be in RAW format. It refuses to work. So I try a low level format, just in case. I figured it up to take about 3 days at 7,200 rpm, but gave it a full week before giving up. Windows was not having it.

So I go back to what I know and love and boot back into Linux. Linux formats it no sweat. So I decide windows is playing hardball. I wipe the drive, and leave it unallocated before heading back to the windows side. This time the format succeeds, and the drive is mounted. So I go to copy my old drive over. And again, windows is having none of it. It will get teeny tiny bursts of data copied at speeds of a few MB/s but mostly it sits at 0, or around 12 bytes/s. Estimated time to finish? Over a year.

So I fiddle with this thing for a while longer. I've poked and prodded at it trying anything I can think of before succumbing to insanity and trying the same thing I did in the beginning. I format it on Linux, copy my Steam drive over (at 80 ish MB/s) and boot back into windows. This time the drive is detected and it lets me mount it. All the data is there, but copying is still a snails pace. So I start wondering if maybe I've got a bad drive and Linux is just ignoring the errors? I load up Steam to test the integrity of the data. Steam detects all the games on the drive, but starts throwing Disk Write Errors as it attempts to install updates (is it just me or does DOTA update nearly daily? lol) The games installed do infact load, the load times are high and pretty much the game is unplayable, but at least it proves the data is fine. And Linux is still able to utilize the drive just fine. I'm at my wits end and just want the dang thing to work so I can play some video games... Any ideas?
 
Hi. You have a lot of text but i kind of miss a summary at the end, and even better - screen copy of Disk management and Gparted.

I suspect that your Windows partition is located far out on the disk, and that is the answer why Windows appear to be slower.

As first said - the other question cannot be answered on a good way until you provide a full overview picture of the disk partitions.