ASRock Z97 OC Formula
I7- 4790k
Samsung Evo 850 GB Boot Drive
2x WD Green 4TB Drives
1x Seagate 3 TB Drive
2x EVGA GTX 780's
My typical usage is video games, photo editing, moving editing, internet browsing, etc. There are times when I move 300+ GB between drives on the computer. During an isolated benchmark I can get expected speeds on all the drives--somewhere in the high 400 Mb/s for the Samsung and somewhere in the low 100 Mb's for the HDD's. I can't recall the numbers correctly, but everything looked normal. They are all on the Intel Z97 SATA3 ports, and I have my two Blu Ray burner drives on the ASMedia SATA3 ports.
I've always had throughput issues when transferring large files between drives, but is has gotten even worse since upgrading to Win10 from Win7. I plan to do a clean install, but since the issue existed on every clean install of Win7 I've ever done, I don't expect clean installing Win10 will make much of a difference.
So here's what happened on Win7. I simultaneously burn two 50GB Blu Ray discs, accessing the BD .iso's from the same WD HDD and it would work. If I went to the resource monitor I could see that the drive was nearly maxed out for throughput, and if I tried pushing it further like watching a movie on that same drive or copying files from it, things would really freeze and bog down but would still run. If I tried to copy 300GB worth of movie files from one HDD to another, the transfer speed would be in the high 90 or low 100 Mb/s area but would still work. So in essence, the computer was somewhat "crippled" because I couldn't do much work if it involved data located on one of those drives being accessed, but would still work.
Now, after upgrading to Win10 it is a different story. If I try to burn two discs at once, one of the instances of ImgBurn will crash and throw an error for the drive being busy. If I try to move the 300GB file from one drive to another, it will start off at 80 Mb/s and slowly taper off to literally 0 kb/s. It will freeze completely. Hitting the cancel button does nothing. In fact, the whole system really slows down and becomes barely responsive until I restart the computer. There are rare instances where I can force quit the process and gain functionality again, but it is still slow until I restart. What's even more odd is that when I push the system like this, my internet connection frequently drops out. Despite it saying that I'm connected via LAN, no websites will pull up and it shows a network error. I know it is on this system only, because I can still access the net normally on my laptop.
This is becoming a major pain for me. With a setup like this, I expect that I should be able to transfer 300GB of files between the two WD HDD's, while still being able to edit photos, play games, etc. if those files are stored on a separate drive like my Samsung SSD (which is also my boot drive). This is not the case. It's like the throughput on my PCH is maxed out or something, but I don't understand how this could be remotely possible. Even if I am transferring let's say 150Mb/s between the HDD's in the background, I don't see why another 50Mb/s of data transfer to and from my SSD should be an issue at all. I don't know what the Intel 9 series chipset maximum throughput (bandwidth???) is, but surely I should not be anywhere near it in this scenario.
I7- 4790k
Samsung Evo 850 GB Boot Drive
2x WD Green 4TB Drives
1x Seagate 3 TB Drive
2x EVGA GTX 780's
My typical usage is video games, photo editing, moving editing, internet browsing, etc. There are times when I move 300+ GB between drives on the computer. During an isolated benchmark I can get expected speeds on all the drives--somewhere in the high 400 Mb/s for the Samsung and somewhere in the low 100 Mb's for the HDD's. I can't recall the numbers correctly, but everything looked normal. They are all on the Intel Z97 SATA3 ports, and I have my two Blu Ray burner drives on the ASMedia SATA3 ports.
I've always had throughput issues when transferring large files between drives, but is has gotten even worse since upgrading to Win10 from Win7. I plan to do a clean install, but since the issue existed on every clean install of Win7 I've ever done, I don't expect clean installing Win10 will make much of a difference.
So here's what happened on Win7. I simultaneously burn two 50GB Blu Ray discs, accessing the BD .iso's from the same WD HDD and it would work. If I went to the resource monitor I could see that the drive was nearly maxed out for throughput, and if I tried pushing it further like watching a movie on that same drive or copying files from it, things would really freeze and bog down but would still run. If I tried to copy 300GB worth of movie files from one HDD to another, the transfer speed would be in the high 90 or low 100 Mb/s area but would still work. So in essence, the computer was somewhat "crippled" because I couldn't do much work if it involved data located on one of those drives being accessed, but would still work.
Now, after upgrading to Win10 it is a different story. If I try to burn two discs at once, one of the instances of ImgBurn will crash and throw an error for the drive being busy. If I try to move the 300GB file from one drive to another, it will start off at 80 Mb/s and slowly taper off to literally 0 kb/s. It will freeze completely. Hitting the cancel button does nothing. In fact, the whole system really slows down and becomes barely responsive until I restart the computer. There are rare instances where I can force quit the process and gain functionality again, but it is still slow until I restart. What's even more odd is that when I push the system like this, my internet connection frequently drops out. Despite it saying that I'm connected via LAN, no websites will pull up and it shows a network error. I know it is on this system only, because I can still access the net normally on my laptop.
This is becoming a major pain for me. With a setup like this, I expect that I should be able to transfer 300GB of files between the two WD HDD's, while still being able to edit photos, play games, etc. if those files are stored on a separate drive like my Samsung SSD (which is also my boot drive). This is not the case. It's like the throughput on my PCH is maxed out or something, but I don't understand how this could be remotely possible. Even if I am transferring let's say 150Mb/s between the HDD's in the background, I don't see why another 50Mb/s of data transfer to and from my SSD should be an issue at all. I don't know what the Intel 9 series chipset maximum throughput (bandwidth???) is, but surely I should not be anywhere near it in this scenario.
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