Use for questions pertaining to Intel's Rapid Storage Technology and/or its features, which include Intel Matrix RAID, Intel Rapid RAID and Intel Smart Response Technology (also called SSD Caching). If your question is about Intel Rapid Start Technology, use the [intel-rapid-start] tag.

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Intel RAID verification and repair

Intel has a web page that describes how its Rapid Storage Technology verifies and repairs RAID volumes. For RAID 1 and RAID 10, it does the following: Data on the mirror is compared to data on ...
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33k views

How do I install Windows 7 to boot with UEFI and Intel RST

I need to install Windows 7 x64 over the existing OS (unwanted factory issued Win8, for which I've already made restore media for) on a Dell XPS 15 (L521x). It needs to use UEFI boot and use the 128GB ...
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487 views

Configuring RAID on Intel DX58SO CTRL+I does not enter RAID Config Utility

I have two 3TB HDD plugged into SATA 0 and SATA 1. I configured the drives for RAID in the BIOS and now when I boot I see the RAID config screen. The screen lists all my drives as it should and says ...
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162 views

Intel RAID controller failing to diagnose faulty disk

On my system (running Windows 7 x64) I have an Asus Z87 Deluxe motherboard, with a built-in Intel RAID controller; my config includes a Kingston 240GB SSD disk for the OS and two Western Digital 4TB ...
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8k views

Solid State Drive Occasionally Freezes For A Minute While OS Is “Beach Balling”

Almost a month ago I bought Intel 330 128GB solid state drive, migrated my data with Intel branded limited-feature Acronis from old HDD to new SSD, optimized with Intel Toolbox and started using it. ...
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89 views

Windows not loading after 1 RAID-5 disk failed

I left my PC turned off for just over a week while I was away. When I turned it back on it said my RAID-5 status was degraded and Windows did not want to load. I replaced the faulty disk and set it ...
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572 views

Lenovo Ideapad U410: BIOS in UEFI mode failed after update

I updated the BIOS (65cn99ww.exe) to laptop Lenovo Ideapad U410 (Windows 8), and after computer restarted itself: the system couldn't start, it tried to repair the system on booting, The bios shows ...
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2answers
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How to remove RAID flag on unstriped drive without losing data?

I have a Gigabyte Z68X-UD4-B3 motherboard. It advertises this new thing called "XHD", which is like RAID but makes a SSD and traditional-style drive work together to enable high speed with high ...
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241 views

Intel Smart Response Technology (cache) and vendor SSD tools

I have a laptop with Haswell Core i5 and Intel Rapid Storage Technology. The OS drive is an mSATA Samsung EVO 840. As you may have heard, they had some miscalibration leading to excessive retries ...
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4k views

Speeding up with SSD cache - Intel Rapid Storage or…?

I have a Gigabyte motherboard with the z68 chipset. I have used it for 1.5 years with a normal 1 Tb HDD. Then I have bought a Samsung EVO 840 SSD drive and problems started to arise... I have a ...
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419 views

Intel Rapid Storage Technology missing drives when trying to create a new volume

I had 2 non-bootable HDDs in a RAID 1 configuration through Intel Rapid Storage Technology. Recently IRST started giving out warnings about the S.M.A.R.T. data of one of the drives so I decided to ...
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775 views

Intel Rapid Storage RAID 5 error, “Missing Drive”

Just recently I purchased a new motherboard for my PC due to the fact I had a motherboard with the defective 67 Intel chipset. The reason I bought the new motherboard was because I started getting ...
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1answer
314 views

How do I fix the system tray icon for Intel Rapid Storage Technology?

I have the Intel Rapid Storage Technology icon enabled: But I don't get it in my system tray. I am not in Safe Mode. The problem is when it starts verifying my RAID array and I have no way of ...
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1answer
2k views

Installing Intel Rapid Storage Drivers makes my eSATA Drive to disconnect

I have a HP 8530w Elitebook this Laptop got an eSATA port which I want to plug my LaCie d2 Quadra V2 1TB harddrive into. It all works well on a fresh install of Windows 7 without the Intel Chipset ...
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2answers
10k views

Intel Rapid Storage refuses to work (no button in SRT utility)

I've got a fresh Dell Inspiron 15R SE with pre-installed Windows 8, 1Tb HDD and 32Gb SSD on mSATA included by manufacturer specifically for caching purposes and advertised as such. The problem is that ...
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1answer
613 views

Intel Rapid Storage Technology made HDD dissapear

Recently my laptop stopped booting windows. When I turned it on, Intel Rapid Storage Technology 12.7.0.1936 window showed up and said, that one of my SSD volume is disabled and asked me to press CTRL+...
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50 views

Intel SSD cache doesn't work

I have a laptop with a small SSD cache. It had worked properly before I did a fresh Windows installation. After installing Windows I installed Rapid Storage Technology software from Intel but it doesn'...
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40 views

Intel RST/SRT: SSD-Cached Raid but OS on another SSD

I plan to setup my new Computer with a SSD cached HDD Raid 1. Like I understand RST/SRT I have to install the OS on the HDD then. Is it possible to install it on another SSD also? I've currently got: ...
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1answer
7k views

How to bypass the message “There is a pending reboot for this product” when trying to re-install Intel RST

I have to re-install my SATA driver, but I cannot run the setup application. Upon launch, it immediately fails with an error "There is a pending reboot for this product", yet no amount of rebooting ...
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233 views

Intel RST driver - magic performance boost (only) up till version 11.2.0?

what's the magic behind the massive write speed performance boost by intel RST drivers up till and including version 11.2.0? i have done some performance measurements of my application that is ...
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230 views

Parity errors after verify with Intel RST

I have Intel RST RAID 1 running on a Windows 7 machine. I have it set to do a verify and repair every week. I frequently notice parity errors, some weeks over 100 for a 1 TB RAID 1 array. I've ...
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1answer
3k views

Why does an Intel RST RAID 1 array write faster with write-back cache disabled?

I have two HDDs (5900 RPM) in RAID 1 (mirror). I know, I know, it's painfully slow. I'm currently in the process of replacing them with faster drives, hence this question while I'm testing things. ...
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1answer
180 views

Can Intel RST in RAID5 configuration be used for Windows boot drive?

I'm planning to build a new computer, motherboard will be based on X99 chipset. I'd like to set up 4 SSDs in RAID5 configuration, and use that volume for Windows boot. Is it possible now? Can I ...
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3answers
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No Accelerate button/tab on Intel Rapid Storage window

I have an ASUS P8Z68 motherboard with a Corsair SSD as my primary boot drive. I have a TB standard hard drive as a secondary data drive. I am attempting to use an older Intel SSD as a cache on the ...
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Intel RST turned a disk off

I have an Asus ROG laptop and I got a BSOD while I was working and then after the restart, one of my partitions disappeared. This used to show two disks but it only shows 1 disk and the cd drive. ...
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1answer
2k views

Drive partitioning for SSD cache

i just purchased a new laptop Asus N551JK-CN103D which comes with a 1TB hdd and 24GB SSD(or mSSD) which I think can be used as cache. I have a couple of questions but here is how I setup my laptop, it ...
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1answer
38 views

is Intel RST needed for computers intended for in-extensive tasks

Recently i replaced my HDD in my laptop. IAStorDataMgrSvc(Intel Rapid Storage Technology) and its related programs came with the installation. I read this QA http://www.shouldiremoveit.com/Intel-Rapid-...
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1answer
360 views

Windows 8.1 stuck at startup after deleting the OEM partition (Intel Rapid Storage technology crash)

I have a Lenovo U410 laptop which have a 1TB hdd and a 32gb ssd. The ssd is used for speeding up the startup time with Intel Rapid Storage Technology. The partition table for the SSD looked something ...
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1answer
433 views

After certain disk operations such as enumerating disks, HDD light may start flashing every second and storage subsystem hangs after sleep and resume

I'm dealing with some weird problem that's been making my computer crash. On occasion (but not always), when I perform certain disk operations (something to do with enumerating disks, as this ...
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1answer
519 views

Cannot setup Intel RST

I bought an HP Envy Sleekbook 14 that has a 500 gb hybrid drive (24 gb ssd, ~470 gb hdd). The computer has Intel Rapid Storage Technology support, and it was working when I first booted it up. ...
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666 views

Deleting RAID 1 array with OS on it and switching to AHCI mode? Without losing data?

I am trying to break my RAID 1 array (using onboard intel raid controller) that has Windows 8.1 installed on it. I then want to switch my bios to AHCI mode and boot from one of those drives. Is it as ...
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233 views

gdisk doesn't recognize RAID0 disk as size of whole array?

I put in two Samsung 840s at 256GB and RAID-ed them together and installed Windows 8. I'm having trouble using gdisk to get ready to install Linux. gdisk sees the array, /dev/sda0, as a whole ...
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100 views

How can I re-establish my RAID5 Array (Intel Rapid Storage)?

I had a RAID 5 array, but two of the drives dropped from the array. (While troubleshooting another issue ASUS suggested I update my MoBo BIOS, but neglected to tell me this would corrupt my RAID ...
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2answers
2k views

Intel RST crashing! IAStorUI unstable in win 8.1

I have a Z87E-ITX Asrock mobo. Using a new 64G Corsair SSD as cache and a new Western Digi Black Scorpion 750G 2.5" drive. Using windows 8.1. Latest software or not, I can't open Intel RST software ...
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1answer
5k views

How to roll-back AHCI driver from iaStorA.sys --> msahci.sys Win7

I'm trying to have my HD run in AHCI mode with Intel RST drivers (not just mshahci.sys) after installing windows 7 in IDE mode. Specs: Windows 7 x64 SP1, Asus Maximus III Gene, ASUS AMI bios Rev. ...
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1answer
156 views

RAID 0 or btrfs on two SSDs?

I have two 500 GB SSD's, and I would like to combine the two in some way to have 1 250 GB NTFS partition, and 1 750 GB btrfs or ext4 partition. As far as I see, I have two options: the Intel Rapid ...
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641 views

Intel Rst with multiple SSD

Is there a possibility to cache one HDD with multiple SSDs?
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1answer
498 views

Running OS image from Dell Laptop (set to RAID mode) in VirtualBox [duplicate]

I have two SSD images from two different modern Dell laptops that use the new BIOS that allows you to set your boot mode to "legacy" and then set your SATA mode to AHCI or "Raid mode" (Intel Rapid ...
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316 views

How to recover a 12TB RAID 10 array that's showing up as two uninitialized 6TB drives in Windows 7?

I have an ASUS Maximus VI Formula motherboard which was giving me trouble with it's USB 3.0 hub (Intel) so as part of the trouble shooting process I upgraded the BIOS to the latest. Big mistake, ...
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762 views

How to configure RAID 1 on Intel Rapid Storage, and partitioning design

I would like guidance on setting up a RAID 1 system from BIOS with Intel Rapid Storage. System details: I have Click BIOS II running on a MSI motherboard (Z77A-G43). I also have 2 x 2TB hard drives. ...
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1answer
339 views

Expand Intel Rapid Store RAID 5 to RAID 10

Under Windows Server 2011 (Small Business), I have the Intel Rapid Store Technology RAID controller setup for the hard drives. I have 4x 500GB drives, currently using 3 as the RAID 5, and the fourth ...
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1answer
988 views

Accelerate tab missing after reinstall

I had SSD caching enabled and working without problems, but I had to reinstall my Windows 8 and now can't reenable it, because the tab is missing. I have read many similar threads and tried all ...
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1answer
144 views

Intel RST accidentally selected wrong drive as system drive — how to fix?

Question / TL;DR If Intel RST has marked a drive other than my RAID set as the system drive, how can I get it so that the RAID set is now seen as the system drive, and catch it up to my drive now? ...
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1answer
8k views

How to remove a hard drive from an Intel RST RAID configuration?

Background I'm on a Windows 8 machine. I had 2 x 1 TB HDDs in a RAID1 configuration utilizing the Intel RST software. One of the HDDs went bad according to Intel's RST application I removed the hard ...
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3k views

RAID1 w/Intel RST — can I replace failed drive with bigger drive?

The Setup I have 2 x 1TB drives in a RAID1 configuration. One of the hard drives has failed and so my RAID situation is degraded. All data is backed up via Backblaze as well so I'm not worried about ...
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352 views

Forgot to turn on RAID after flashing bios, now have, but can't boot

I was having bsod issues with my windows 7, raid 1 (intel rst) machine and so decided to flash to the newest asus bios. I think that part went well, but when reconfiguring the bios, I neglected to ...
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1answer
1k views

What could cause Intel RST to not recognise a drive?

I have a Windows 8 system that has four disks: (1) Samsung 840 Pro (system drive, C:), (2) 2TB SATA III Seagate (secondary drive, D:), (3) 2TB SATA II Western Digital (Backup Drive, Z:), and (4) a ...
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1answer
741 views

SATA 6Gb/s vs. 3Gb/s when using SSD Caching via Intel RST?

Background / Setup I have a desktop that I built (Full Specs here if you need them for reference). It currently utilizes 2x1TB drives (SATA 6.0 Gb/s) in a RAID1 configuration. I use Intel RST to use ...
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309 views

Use Intel Rapid Storage Technology with a secondary PCIe RAID card

I have Intel's RST on motherboard using RAID1 (2x2TB) and a boot drive. Trying to add another RAID1 (2x3TB) has failed since RST is limited to 2.2TB for RAID1. Now I've bought another RAID card in ...