Worse Read/Write with RST drivers installed.

Win-Raid Forum (Drivers - Firmware - Modding) � Important Drivers (AHCI/RAID, NVMe, USB etc.) � Specific: Intel AHCI/RAID Drivers � Worse Read/Write with RST drivers installed.

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#1 | Worse Read/Write with RST drivers installed. datum

Fri Dec 29, 2017 3:22 am (Last edited: Fri Dec 29, 2017 3:25 am)

Hello everyone! Hope you are having a great day.

So, to the problem I'm having.

When I install any of the RST drivers, the Read/Write goes down a lot . (I will detail everything at the end: Windows, drivers, board, ROM, etc)

On a 7200 rpm drive, from having R:130/W:100 Mb (AROUND that, not accurate.) to R:128/W:78 Mb
I really need that 100 Mb write speed to be honest because I need to capture a video in raw RGB and needs that much speed.

Here are the benches:

Microsoft Drivers:

Intel RST 15.7.1.1015 Drivers (ASUS recommended - ONLY drivers, no application)

PC Details:

Windows 10 Education x64 1709.16299.15
Asus MAXIMUS VIII Ranger - Bios 3504
i7 6700k@4.5GHz
RST OROM IRST RAID for SATA: 15.2.1.2771
EFI IRST RAID for SATA: 15.7.0.3054

If any more info is needed, please, ask.

I will for now use the Microsoft drivers.

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#2 | RE: Worse Read/Write with RST drivers installed. datum

Fri Dec 29, 2017 12:14 pm

Zitat von MerolaC im Beitrag #1
When I install any of the RST drivers, the Read/Write goes down a lot .

The Win10 v1709 in-box MS AHCI driver is better performant than the previous ones. Nevertheless you should get better benchmark scores.
Did you check both Write-Caching options of your drive F from within the "Disk drives" section of the Device Manager (right-click onto the related Disk drive > "Properties" > "Policies")?
What about the performance of your system drive, which contains the OS?

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#3 | RE: Worse Read/Write with RST drivers installed. datum

Fri Dec 29, 2017 12:32 pm

Zitat von Fernando im Beitrag #2
Zitat von MerolaC im Beitrag #1
When I install any of the RST drivers, the Read/Write goes down a lot .
The Win10 v1709 in-box MS AHCI driver is better performant than the previous ones. Nevertheless you should get better benchmark scores.
Did you check both Write-Caching options of your drive F from within the "Disk drives" section of the Device Manager (right-click onto the related Disk drive > "Properties" > "Policies")?
What about the performance of your system drive, which contains the OS?

Hello Fernando, thank you for replaying!

Ok.
In the F disk drive, I do not have both policies active, mostly because there are power outages in my city and my PC is on 24/7, I can't afford a UPS for it right now, so, out of precaution, I have disabled them.
Anyway, here are benchmarks with default MS driver and both policies active.
Doesn't look good.

Same drive as before:

Since you ask about the system drive:

Samsung SSD 840 EVO 120GB (Only one of the policies active.)

Any suggestion?

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#4 | RE: Worse Read/Write with RST drivers installed. datum

Fri Dec 29, 2017 4:25 pm

Zitat von MerolaC im Beitrag #3
Any suggestion?

Check your drive F by using the Windows Explorer and a specific diagnostic tool offered by the HDD manufacturer.

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#5 | RE: Worse Read/Write with RST drivers installed. datum

Fri Dec 29, 2017 6:06 pm (Last edited: Tue Jan 02, 2018 1:39 am)

Zitat von Fernando im Beitrag #4
Zitat von MerolaC im Beitrag #3
Any suggestion?
Check your drive F by using the Windows Explorer and a specific diagnostic tool offered by the HDD manufacturer.

The drive is in perfect condition.
The problem is across all drives, not just F:

Edit:

Ok, I've solved the issue!

I've used UBU to update the OROM/RaidDriver to v15.9.0.3194 and also the IRST driver itself.
Now, the Read/Writes are faster on the mechanical drives.
But, the write on my SSD is down by 400 MB/s
Read is 550, write is 150.

I will try to do a backup, Secure Erase to see if it gets normalized.

Will report back.

Thank you and happy new year!

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My SSD Benchmark - new result � � Raid Array seen as SSDs Issue on Win10AU

Please enter a reason for warning.