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what provides the greates storage capacity? Raid 0 or Raid 5

Q: what provides the greates storage capacity? Raid 0 or Raid 5

total 5 disks.

thanks for any insight.

Preferred Solution: what provides the greates storage capacity? Raid 0 or Raid 5

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A: what provides the greates storage capacity? Raid 0 or Raid 5

Raid 0 and Raid 5 are so different from one another I think we should have better descriptives for them.

I don't know, does R-0 allow for more than two drives? If so then its R-0 for sure if all the hard drives are the same size, but I'm leaning toward two drive max even though I have no idea.

If its two drives only for R-0 then its R-5 for sure because even with the redundancy recovery resource data occupying each drive the total still available from 5 drives will be more than 2 striped drives.

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I am running 7 pro 64bit on a ASUS p8p67 deluxe mobo and I copied all data from my 1tb storage D: drive to a backup external and proceded to install raid 5 with 3 single 1tb drives and the raid is up an running. However using Intel Rapid Storage Technology to setup the raid inside windows I had to use the drive letter R: because D: was not available in the list option. When I start some programs, the program is looking for the data on D: drive. Is there any way to change the letter of my raid storage from R: to D:?


A:RAID 5 switched from single storage to raid 5, lost drive letter

It's possible the cd-rom/dvd drive assigned itself as d: before the new raid was created.
This should be solvable using the windows disk management tool if that's the case.

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First time posting :blush:,

Situation: I have two hard drives : main drive: Seagate 500GB w/ windows xp and second drive: WD 1TB blank.

Without backing up the main drive (ops...), i went ahead and enabled RAID 0 on both drives and created a RAID volume (128KB strip / Size: 1TB (931.5GB)).
NOTE: the RAID volume size is only showing the exact space of the 1TB, excluding the 500GB drive.
After realizing that I needed to create a backup image of my main drive to use RAID with an existing drive, I'm left with the "Operating System Not Found" message.

Question: If I Delete RAID Volume (which is based on the size from the blank 1TB drive), will both drives become available as non-RAID disks and keep the original data on the 500GB main drive and be able to run windows again?

I'm using software RAID through Intel Matrix Storage Manager option ROM v5.6.2

I understood that "Resetting the drives to Non-Raid" will cause all data on the disk to be lost, so this isn't the approach that I'll be taking til I find a solution to backup my data.
However, from reading the "Delete RAID Volume" option, it listed Deleting a volume will destroy the volume data on the drive(s) and cause any member disks to become available as non-RAID disks, so knowing that the RAID Volume is blank, then maybe trying this will be the answer.

When using the Microsoft Recovery Console in (RAID mode attached w/ both drives) logically there isn't ... Read more

A:RAID issue - deleting RAID volume to restore non-RAID disks

sadly, there's no way to do what you want without an existing backup.

Look at it this way;
A disk has a container ~ the partition.
The partition as a structure ~ the filesystem (eg NTFS, FAT32, RAID).
We put our data into the structure.

When we create backups, we are getting only the data itself (unless you use an image program like Ghost or Acronis where you get all three).

Deleting the RAID will give back the two independent HDs, but also breaks the structure so that the data becomes in accessible.

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I'm hoping someone here can help. I'm very new to Raid, so you'll have to excuse my ignorance here. I'm using an HP pavilion p6210Y with 2x 2TB, WD Caviar Green's trying to set up a raid 1 array. I've reached the Nvidia raid array setup utility, and it appears I have successfully loaded the raid drivers.
After doing this, I inserted my Windows 7 x64 home premium install disc, and it sat on "Detecting storage devices...". After a few minutes of this, I was presented with an Error stating "No disks reserved for raid use, raid disabled." Then shortly after, switches to a message stating: "Reboot and select proper boot device or insert boot media in selected boot device and press a key."
I'm now unable to reach the Nvidia Raid setup, and unable to load the windows disc.

I'm certain the CD drive is good, as it works fine in another computer.
Mediashield ROM BIOS RPT
Copyright (C) 2009 NVIDIA Corp.
If someone would know what to do from here, please share your knowledge.

A:no disks reserved for raid use Raid disabled - Raid 1

Do you have Windows on the drive now? How did you load the drivers? Drivers won't function without an operating system, so I'm a little confused about exactly what you did.

How did you run the setup utility? Does your machine support hardware RAID or are you using software RAID? Are there RAID settings in BIOS?

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Hello, I'm getting low on space with my media servers RAID-5 and will be upgrading all the drives to a higher capacity. I'm wondering if there is an easy way to replace the RAID drives without having to completely recreate the array. I found an article that suggested replacing drive 1 and rebuilding the array, then replace drive 2 and rebuild, etc.
Does anyone know if this method works or if there is a better solution?


A:Upgrade RAID-5 capacity

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OK, well I have a Sony VAIO rc210g. I lost the hard drives so I purchases two new WD 500gb drives and installed them, installed Vista home premium and converted my drives to RAID 0 using Intel Matrix Storage Console that I downloaded from the SONY website drivers section for Vista. After the 4+ hours of migrating information the process was complete. While on yje Intel Matrix console I see that it is now a RAID 0 with 934 GB free space. HOWEVER when I click on computer from the start menu it shows drive c: as having only 465 gb free space as if it is only seeing one drive still. WHY doesn't it see the other 469 gb's? Also no D: drive. I have A:, C:, EF etc. but no D:. How can I get the os to see my full RAID 0 capacity?
Thank you !

A:Solved: Vista can't see my total capacity on converted RAID 0

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I recently had a 3TB hard drive fail on me, and I am trying to come up with a much better solution for storing my data so that I don't have to recover everything from CrashPlan again. My plan is to have two 3TB Hard drives connected in RAID 0 (Simple Space) so that I have 6TB of usable space, and then I would like to mirror that data over to an external 6TB drive. I want this all to appear as one drive within windows. Is this possible using Storage Spaces? Thank you so much!

A:Are nested storage spaces possible? (Like RAID 0+1)


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One for the networking/storage gurus here.

My work network consists of:
30+ pc's
4 servers (1 server has built in LTO tape drive)

Every monday morning i do a weekly backup of the whole system, which uses 5 x LTO tapes (over 500Gb) and takes until wednesday pm to complete. We do not have a jukebox so it waits for me to change the tape (major ball-ache) From then on until friday its just daily incremental backup using veritas backup exec.

As part of our Disaster Recovery Plan, i'm thinking of implementing onto the network the following:
bare bones pc tower, with 4 x 750Gb WD Cavier sataII hdd's each in a hotswap sata caddy. So i can take one out and off the premises when its finished backing up.
So, monday evening (as opposed to morning) start the backup. Hopefully its done by tuesday am and i can take the drive out and off site.
Tuesday evening set the backup to 'image' each server state, so we have OS resiliency if something goes wrong (as well as bog standard data backup on disk from the previous night).
The following week, we use the other 2 drives to perform the same backups, so we have a rotating 2 week system.

Now, we have a 4 disk raided 0+1 nas box in our other office, but the drives aren't hot swappable so i think that option is out the window.
Does this sound like a plan to any of you guys?
What would you do different in this situation?

Thanks for any suggestions.

A:Advanced network storage..raid...etc

Sounds like a good plan.

Some things to note:
- Would your network/servers be able to handle the data? You should test for speed first.
- You are backing up for disaster recovery only? You don't see the need for long-term archiving because of state regulations or just in case that someone returns from the holidays and says that they need a file that was deleted a month ago?
- Is your backup software capable of doing this? You may need to purchase additional licenses.
- How about upgrading the tape drive? LTO-4 tapes can hold 800GB of data uncompressed and are faster than hard drives and gigabit ethernet.

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Hi all,

I recently had to reinstall Windows 7 on my SSD and can't get the fresh install to "see" my RAID 0 array that I've been using for storage. Here's my setup:

SSD - Windows 7 =x64
Samsung Spinpoint F3 (2) - RAID 0
Biostar TA790GX 128M - using hardware RAID

The hardware is all the same, not one thing has been changed except that the SSD now has a new Windows install.

The BIOS can see the RAID array but the fresh install of Windows can't. I'm at a loss. When I installed Windows, I left the BIOS settings on RAID.

Thank you for any help.

A:Win 7 Reinstalled - can't find my old storage RAID 0

Figured it out. The mobo driver wasn't installing the RAID drivers. I had to go to device manager and click install driver, then manually tell it to search the install CD. All is up an running!

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Hi there

This is a Brilliant device for people who need to add more storage without having to go NAS route etc etc.


Cost 50 EUR -- small -- just a tiny bit bigger than the actual HDD's themseleves (3.5 inch HDD's max 2 X 5TB capacity). In USA you could probably get this box for around 40 - 45 USD.

There's an internal switch 4 options

1) Built in RAID 0.

2) Built in RAID 1.

3) Independent Disks - run as two independent separate HDD's,

4) JBOD mode - Just a Bunch of Disks -- aggregates the HDD's into a single volume.

Simply format HDD's first (Linux / Ios (Mac) / Windows) and then select operating mode. Comes with "Intelligent power" also -- powers off if Host powers off too. Great piece of kit. Note if HDD's already formated just plug them in.

I'm replacing 2 X 2 TB from a NAS box with 2 X 5 TB HDD's so the 2 X 2 TB will go nicely into this box.

Really small size, neat and works at full USB3 speed so perfectly OK for backups and even multi media sharing. There's also a switchable Fan if you are worried about heat from HDD's.

Note though this box doesn't have a 2.5 inch --> 3.5 inch adapter so only 3.5 inch HDD's will fit --also they must be the SATA type (not the old IDE ones -if anybody still uses those).


A:USB 3 dual bay HDD storage with built in RAID

It's a great product but it's not gonna replace a NAS box. The whole idea of a NAS is being able to stream data--- wired or wireless, within home network or via www or mobile apps --- without the aid of a PC. It isn't a NAS box unless it has an ethernet port or built-in wireless adapter.
This one is a full-featured hard drive enclosure. I almost bought one of these before. Good to have but you don't need RAID if it's via USB.

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Hey all, I'm running out of space on my dev server consisting of 4 350Gb HDDs in RAID5. I'm looking to replace them with 1Tb drives. I've done some research on the topic and found conflicting views of the best way to do this.

Wanted to get some opinions or links from the community here to help me along the way.

These appear to be the best directions I could locate so far: http://www.richstevenson.com/2009/09/15/expanding-a-raid5-array-without-losing-data/


A:Upgrade max storage size of a RAID 5

wow, i read that, kinda cool.

as far as i can see if you have a good backup of your data then this might work, although it may just be simpiler to back up, replace all disks with larger ones and the set up the raid again, then reload the backup, as you would have to wait for the drive to rebuild for each disk.

any way have fun


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With Intel's RST one can have a SSD as a cache to the main hard drive. What I'm wondering is it better to have

two HDin RAID level 0
one HD and one SSD as cache
one main HD and two HD in RAID level 0 for cache (is it possible?)


A:Which is better? RAID 0 or Rapid Storage Technology with SSD

I don't think two HDs in RAID 0 for cache is supported, either way, it's not going to be fast.
A good SSD will beat out the RAID HDDs anyway.

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Hi all,We have several workstation Z440 and we nee more storage space for each of them. Unfortunately, the cabinet can contains just a couple of Sata disks.We don't want to work with a sata to usb device: we want to find a solution to use all the internal sata/ssata ports and connect them to an external device by using long sata cables or the esata ports.Wich is the best solution?The workstation's manual says: "The C612 chipset supports two SATA AHCI controllers, sSATA and SATA. The sSATA controller supports four 6 GB/s portsand RAID modes 0, 1, 10 and 5. The SATA controller supports two 6 GB/s ports and RAID modes 0 and 1. Ports from bothcontrollers can be routed to the rear panel with an eSATA bulkhead option. Note that it is not possible to RAID across thetwo SATA controllers" But I do not exactly know what I have to buy and how to configure it. Thanks in advanceBestCED

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I currently have win7 x64 installed, i have a 320GB partitioned for a dual boot, XP and win7, then i have a 1.5TB storage drive which is filling up, im thinking of getting 2 or 3 1TB drives to create a raid array(0 or 5, not sure whether to have fault tollerance or not).

if i were to start with 2 drives (no parity) could i add another to the array later and could i then include partiy at a later date?


A:Setting up a RAID storage array

This depends on your RAID array and it's capabilities. I was able to do it with my RAID cards (Highpoint) - but you'll have to check the documentation/FAQ's for your RAID controller.

FWIW - I switched RAID controllers when I installed the 7 RTM - and lost everything off my RAID 5 array (luckily I thought this might happen, so I backed everything up).

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Alright i am new to these forums and also this is the 1st computer i have put together myself.
Because im a gamer i thought it would be a good idea to try raid 0 with 2 hard drives for extra performance.

The problem i'm experiencing is that my raid 0 setup is causing files to take up twice as much space on the hard drive as they should be. Like if i select all the files (including any hidden ones) in my c:\ it says 50GB of files. If i go into my hard drive properties it says i have used up 100GB, which has continued as more files are added. it just keeps doubling and it seems to be an exact double. I was not aware this was going to happen, is it normal? no-one else i have spoken to knows what is going on.

I am running windows vista 64bit and the hard drives are both 320GB Hitachi T7K500 sata 2 16mb cache. I have an asus p5k premium and e8400 processor with xfx 8800gt oc gpu. Also i am using the Intel matrix technology to control the raid setup, which does confirm in windows when i run the matrix storage console that its in raid 0 not raid 1 so that isn't the problem.

Any help would be appreciated in terms of fixing or explaning this, and i am seriously thinking of formatting it and starting again with no raid, it is possible to go back isnt it?

A:Raid 0 setup chewing thru storage space

Selecting all files in the drive root and checking the size of these does not give you a correct measure of disk space. (You didn't select all the hidden/system/inaccessible files in all the hidden/system/inaccessible subdirectories, did you?) If you do not have access to a file or directory, then you can not find out how big they are either. For example, if you have several users in your computer, then one user cannot see the My Documents folder of another user and therefore cannot count the sizes of the files in there.

As an administrator user, run a disk visualisation program like Seqoia View to get a nice overview of the disk space used.

Also, filesystem cluster size and the amount of files affect the efficiency of disk use. If you formatted your filesystem with 64K clusters, then you waste 32K per file on average. If you have a lot of small files, then you lose even more. A million 10K files means 64GB disk space gone.

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I have a Dell T7500 which I originally ordered with Linux and one SATA drive.  I recently added a second SATA drive and setup a RAID 1 array and installed Windows 7 Pro.  I also installed the SAS driver and the latest version of Dell SAS RAID Storage Manager.   The T7500 I have uses the integrated SAS6/iR RAID controller.
I have had extensive experience configuring computers which used the Intel RAID chipset which is managed by the Intel Matrix Storage Manager (now known as Intel Rapid Storage Technology).  This is a great app which loads on bootup and monitors the status of the RAID array. It also has several tools allowing you to rebuild an array from this app.  
I was expecting similar features from the Dell SAS RAID Storage Manager, but have found it almost useless.  Basically, it does not run when I boot the computer.  I have to manually start it and then log in with a user name and password.  It then only displays info, but does not give me any options other than to delete the array. 
As an example, as a test, I removed one of my RAID 1 drives and booted into Windows 7.   I never received a pop-up indicating that my array was degraded.  When I logged into the app, it showed that the array was degraded as a listing in small print, but provided no other useful options.   I then added a new drive and after rebooting, started the app again.  It showed the ne... Read more

A:T7500 and Dell SAS RAID Storage Manager

Hi Jim,

Are you referring to this?

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Have a new Dell XPS8700, 4th gen i7. The motherboard is Intel 8 Series C220 - Z87

I have one 1TB Seagate drive which has Windows 8 on it, and two WD 2TB internal hard drives. I formatted both WDs, and selected RAID in BIOS. I selected the WD HDs to create a RAID 1 array with CTRL+I. Windows 8 didn't recognize them, so I went to disk management and created a simple volume. The volume was formatted (not quick format) and now it shows as Healthy Partition. I guess it is ready to use, because now Windows Explorer shows it as one HD, 2TB in size.

My question is, Intel Rapid Storage keeps popping up the 'you may have an issue with your hardware' I go take a look at it, and the only drives that are shown are the original 1TB system drive and the DVD drive. No sign of the RAID 1 volume I hit refresh, but it does not show up. I go to System Report and all HDs show up. What do you think is happening? How can I have Rapid Storage show the RAID volume? I already updated Rapid Storage to the latest version. Thank you in advance.

Below is what the System Report shows:

System Report

System Information
OS name: Microsoft Windows 8.1
OS version: 6.3.9600 9200
System name: WINDOWS-U72I33N
System manufacturer: Dell Inc.
System model: XPS 8700
Processor: GenuineIntel Intel64 Family 6 Model 60 Stepping 3 3.401 GHz
BIOS: Dell Inc., A03

Intel® Rapid Storage Technology enterprise Information
Kit installed:
User interface version:
Language: Engli... Read more

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On my personal file server PC, I have two 1TB drives that are configured in Windows Storage Spaces to be I'm assuming a RAID1 array. Basically my two 1TB drives show up as one 1TB drive. Eventually I am going to replace Windows 10 with Server 2016 (which is on a separate SSD) and I wanted to make sure I didn't corrupt the array, or whatever it is with Storage Spaces, when I reinstall Window. I thought about just unplugging the drives while I reinstall, but I wasn't sure if this will still cause issues. So do I need to do anything to prevent issues, or can I reinstall Windows without worry. If I do need to do something: backup data; clear the Storage Space setup and anything else?

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i'm in the middle of moving my 2 500 GB storage drives from my WinXP box to a Linux box (home server) and setting them up as RAID 0 (striping). As this new RAID setup will serve as the drive for storing and sharing/streaming mainly TV shows, video podcasts and music, what is the best stripe size to use?

also, do I have to worry about block size too?


P.S. - i'm using a 3ware PATA RAID card (7006-2)

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Planning on purchasing a M920t. Manual and specs say it supports M.2 Storage and SATA RAID.  I know that M.2 will not work with the RAID and only the 4 SATA ports will work.  What I want to know is if the M.2 slot will cover the SATA ports next to it.  This would render the SATA ports useless if it covers them.  There are no documented ACTUAL pictures of the M920t Motherboard in Lenovo's support only un-usefull cartoon diagrams.  Is there anywhere I can get a full image of the board or if someone knows if the SATA ports are un-useable when the M.2 port is in use?   I want to use the M.2 512GB my model comes with for the OS and a set of regular SATA drives for a RAID 1 Mirror.M.2 / Sata port location and Info needed.Never understood why MFG's never release actual images of the boards and only cartoon diagrams.  

A:M920 Storage Options M.2 SATA RAID

The direction of the M.2 connector on the motherboard supports the insertion of the M.2 2280 drive card to project "down" off of the motherboard and out over the metal chassis.  It is the opposite direction from the SATA connectors which are "up" just right "above" the M.2 connector.
I assume that the M920t is like the M910t regarding insertion of an M.2 card, in that there is an additional plastic mounting bracket which clips onto the metal chassis right there, in order to support the outer-projected off-motherboard end of the card.  It also contains a hole with a plastic push-pin that goes through the semi-circular tightening hole at the farthest outer end of the M.2 card and into the hole on the plastic bracket, in order to fasten the card down securely at that far end.
Actually, the plastic bracket part is double-wide, so that it can support the projected ends of both the x4 M.2 storage card as well as its neighboring x2 M.2 WAN card, if you should happen to install both of these optional M.2 cards.
The SATA connectors are totally unobstructed even when one or both M.2 cards are inserted.

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Hello - I have an HP Envy 700-047c. It came with a 2 TB HD. I put in another 2 TB HD same model/type. The system in the BIOS and Windows 8 sees the new drive. However, when I boot and go into F10 BIOS/HP Setup utility, go to Storage menu, select Storage Options, my only option is SATA Emulation and the only 2 select options it shows are AHCI and IDE. This is where I should see RAID option - it is not there.I tried changing SATA ports on the motherboard - no help.I tried disabling Secure Boot and UEFI and chose Legacy - no help.I updated to latest BIOS for this PC - no help.I installed Intel Rapid Storage Technology software and can see the 2 drives within Windows but there is no create option on the Status page like there should be (because you need to enable RAID in the BIOS which the option is missing).I looked on the motherboard and don't see any jumpers that are labeled RAID (ie. some physical trip).I called Intel and they confirmed the Intel chipset I have is RAID capable but to contact HP to see if they turned off. I contacted HP and twice they said they are not trained in RAID and do not support it. I contacted the local Microcenter tech support and they found a link on this website talking about how to go to the area I'm in - but the RAID option is not there. Does anyone know how to get RAID enabled on this HP 700-047c in the BIOS/Setup utility? Help!

A:RAID is not an option/not available/missing in BIOS Storage ...

Hi, I did review the Storage settings in the BIOS and I didn't find a RAID support setting. The H61 chipset does support RAID depending on the chipset SKU. It appears that HP did not incorporate the H61 that supports RAID into your PC or has disabled RAID support in the BIOS.  The other possibility is a BIOS bug. There is a BIOS update posted for your PC but I don't think that it will enable RAID.  I'll tap HP on the shoulder and see if RAID is supported or if there is a BIOS bug. 

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Hi there
Yesterday my computer was shut down when I returned home.  I may have lost power but I am connected to a UPS that should have kept me safe from any surges.  Turning the computer on, my RAID5 drive (drive letter M) is gone and a mysterious new drive
has appeared, labeled as drive E, also showing as a RAW drive. In disk management, I can see that drive M is its normal size, 11177.94GB.  I am using 4x4TB drives.  Intel Rapid Storage Technologhe shows all four
drives as healthy and functional.  Drive E shows in Disk Management the same as Drive M, and I have no idea how it ended up there and what I should do with it.  My C drive shows up and works normally, where I have my OS and programs installed.
Not sure where to start, but hoping it is just an issue with the MBR?  

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Tech Support Guy System Info Utility version
OS Version: Microsoft Windows XP Home Edition, Service Pack 3, 32 bit
Processor: Intel(R) Pentium(R) 4 CPU 3.40GHz, x86 Family 15 Model 3 Stepping 4
Processor Count: 2
RAM: 1022 Mb
Graphics Card:
Hard Drives: C: Total - 250003 MB, Free - 225853 MB; D: Total - 226925 MB, Free - 226852 MB;
Motherboard: Dell Inc. , 0U7077, , ..CN481114B601BJ.
Antivirus: Norton Internet Security, Updated: Yes, On-Demand Scanner: Enabled
Originally every 2 - 3 mos., now every 2 - 3 wks. during windows startup I get a blue screen "A problem has been detected and windows has been shut down to prevent damage to your computer"

I disconnect power, wait a couple of minutes and restart. It restarts normally, then I get "The system has recovered from a serious error - please tell Microsoft". I send error report.

Windows error reporting responds "Download and install driver for RAID controller from Intel website".

I follow the link and download iata_env.exe but when I try to run it I get "This computer does not meet the minimum requirements for installing the software". This doesn't surprise me since I do not have a RAID controller on this system.

My question is - how do I stop Windows from looking for RAID drivers to load at startup? There is no RAID controller listed in Device Manager so I can't disable it there.

This started some months after I upgraded some Intel drivers (about 2 yrs ago) but... Read more

A:BSOD when windows tries to load RAID driver on system with no RAID<input type=

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I ordered a 3620 with 2 hard drives configured for RAID 0. It has already shipped. I realize now that I made a mistake and should have ordered the RAID 1 configuration. I realize this will reduce my total drive capacity.
Also, I'm planning on adding a 3rd HDD that I do not wanted to be included in the RAID. Any help on switching RAID levels and adding the 3rd drive would be appreciated. I'm expecting the machine to arrive tomorrow.

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I've got two identical WD VelociRaptor 1TB Drives.
One has been setup as a storage drive for a long time, and I'm finally getting around to setting the other one up as a RAID 1 mirror.
Both were bought at exactly the same time.
I see this website, showing how to perform the feat on a PowerEdge Server: [https://markmcb.com/2015/07/21/reconfigure-dell-perc-h310-raid-0-to-raid-1/]But pressing F10 on my system does nothing at all.
Is something like this possible on a Precision T5600? Or is this just a server capability?

A:Precision T5600 w/ PERC H310 - Adding a drive and going from RAID 0 to RAID 1

F10 is not for Desktops.How to set up Dell PowerEdge RAID Controller H310 cards on a Precision workstationDell PowerEdge RAID Controller (PERC) storage controller cards H310, H710, H710P, or H810 on Dell Precision workstations T1600, T3600, T5600, or T7600. For more specific information on the controller card or workstation, refer to that product’s user guide.To install the PERC    Turn off your workstation and all attached peripheral devices.    Disconnect your workstation from the electrical outlet and remove the workstation cover.    Insert the PERC into the SLOT1 (preferred) or SLOT4 expansion slots.        Earlier T7600 workstation may need to use SLOT4 because the HDD data cable is not long enough to reach to SLOT1.    Connect the hard disk drive (HDD) data cable to the H310 connector labeled A SAS.    Connect the AUX_LED cable to the H310 connector labeled SAS_ACT_LED_Conn.    Install HDDs in the desired order, starting with 0 as the first HDD and note the HDD numbers.        For T7600, HDD numbers 0-3 are available with a single HDD data cable with upgrade options for 4-7.        For T5600 and T3600, HDD numbers 0-1 are available with a single HDD data cable with upgrade options for 2-3.    Replace your workstation cover.    Reconnect your w... Read more

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I've got two identical WD VelociRaptor 1TB Drives.
One has been setup as a storage drive for a long time, and I'm finally getting around to setting the other one up as a RAID 1 mirror.
Both were bought at exactly the same time.
I see this website, showing how to perform the feat on a PowerEdge Server: [https://markmcb.com/2015/07/21/reconfigure-dell-perc-h310-raid-0-to-raid-1/]
But pressing F10 on my system does nothing at all.
Is something like this possible on a Precision T5600? Or is this just a server capability?

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Yesterday I woke up to find my computer had bluescreened overnight. scsiport.sys was in the bsod message, and the stop error code was 7a.


(Click to consult the online MSDN article.)
A page of kernel data was not found in the pagefile and could not be read into memory. This might be due to incompatible disk or controller drivers, firmware, or hardware.

* Windows NT 4.0 Setup Troubleshooting Guide {KB 126690} NT 4 (Recommendations for the current error message are buried down inside this article, which isn’t necessarily limited to NT 4.)
* Connecting a Hard Disk Drive in Slave Only Mode Leads to System Halt During Resume From Standby {KB 330100} Win XP SP1 (Windows installed on a slave drive.)
* BIOS Manufacturers Should Not Clear the IDE Decode Enable Bit in _STM ACPI Method {KB 913379} Win 2000, Win XP, Server 2003, Vista

via: http://aumha.org/a/stop.htm


The system has preformed fairly flawlessly up to this, save for a CPU fan error which I may have caused in testing (note to self: never detach a system fan while the computer is running JUST to see if the fan readout/warning system works....) and bluescreens a while back because I had both DVD drives set to cable select.

I rebooted several times and the system did not find a bootable drive - it would just hang at the cursor that displays before the XP splash screen appears. Once, my raid utility reported my RAID 0 failed. I have two Seagate 320G... Read more

A:Solved: RAID boot issues - disappearing disk - RAID question

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Hello everyone, i know the title sounds amateur-ish, but hear me out. I have my windows installation on a different hard drive than the one i'm talking about.

a friend of mine had a computer with a RAID setup for the hard drives in it, but after one failed, he just replaced them both and i took the one that was still good and formatted it. I have since been using it as a backup hard drive for specific files.

It is a 500gb hard drive, but it only shows 338 free after a format, if i go into properties for it it says there are 146 MB used, but you can't even see a sliver on the pie chart. I was thinking that being put in a raid setup had changed the partition somewhat and had redered part of the drive useless. Should i do the Diskpart utility from cmd prompt? last time i used it on a flash drive that memtest had rendered useless i still couldn't format the flash drive and has since been useless to me, even though i followed all of the instructions that many others had said worked for theirs. I just don't wan to ruin this hard drive by trying to squeeze a (possible) 100 extra gigs out of it.

If anyone has any suggestions, i would greatly appreciate you sharing your knowledge with me.

Thanks a lot.

A:Hard drive showing incorrect storage after RAID

diskpart should work. From admin command prompt:

dispartlist diskselect disk # where # is the disk number for 500GB Drivecleanexit

Open disk management and point at the disk #, right click->Initialize

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On my Win 8.1 Test PC, I had Storage Spaces set up and this was my performance...
I then setup a 3 disk RAID6 array using the same hard drives and an Intel RS2BL080 RAID card...

Does this look right?

A:Performance differences with RAID versus Storage Spaces

I'm not sure how you could configure a 3 disk RAID 6 array. RAID 6 requires a minimum of 4 drives.

Are you sure you didn't set up RAID 5?

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Can someone tell me if the XFX Revolution 3-Port RAID SATA Storage Processor is worth getting or not aswell?

A:XFX Revolution 3-Port RAID SATA Storage Processor

Please don't start a new topic in an existing thread. I've split your post into it's own thread.

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I am going to be getting 2 new WD10EALS drives in the next day or so. My plan was to put them in raid using the onboard ICH10R controller on my mobo (an ASUS Sabertooth X58). I had wanted to run WDTLER to turn TLER on, but after reading some reviews it seems I might not be able to as it is reported WD disabled TLER on these drives completely.

Im curious if there is a way to change the timeout for the drives in the matrix storage controller? So if I do have an issue my raid won't die (I'll be using these drives in raid 0 for gaming only). I dont care about the data, I just don't want to have to go thru the hassle of reinstalling the games should a drive get dropped from the array. I am thinking about getting a wd green 2tb drive for backups but just curious if there is a way to change timeout via the controller.

edit: And by change timeout I mean how long the controller waits for the disk before dropping it from the array, like could i set it too 2.5 mins just to be sure?

A:Intel Matrix Storage Controller and Raid Timeout

For an architectural overview see wikipedia.org's page on TLER. The idea is to set a RAID disk's TLER to a value that is less than a Hardware RAID controller's disconnect timeout value. On-board Marvel (I believe) and the Intel controllers are not true Hardware RAID, thus AFAIK neither expose nor use a disconnect timeout (:. With or without TLER, when using two disks you can tolerate a fault (such as an outright failure of one disk) by choosing RAID 1. But no fault tolerance can be obtained by choosing RAID 0 (instead you will gain IO performance). With RAID 0 when one disk fails I am afraid everything will be lost .

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I don't know if this is a general thing, or some specific thing that should be elsewhere, so...

Asus X99 Deluxe, 5820k, 1TB SSD, 3TB data HDD, 2TB backup HDD

The system I just put together does NOT have any RAID disks. I've had RAID setups in the past and found that the frequency of disk failure was DRASTICALLY lower than the frequency of stupid human tricks (my failure). So, I have internal and external backups that run regularly.

I looked at the information at Intel on the Rapid Storage Technology. It CLAIMS a variety of performance and reliability gains even WITHOUT RAID. So, I turned it on.

I ignored the Ctrl/I invite to create RAID volumes and let the 8.1 system boot normally. Won't boot. After a LONG time sitting and spinning, a VERY quick screen flashes that it encountered errors and throws me back to the BIOS.

If I turn RST back off, boots normally...

Two questions: IS there, in fact, any advantage to what RST provides for non-RAID systems? Intel claims improvements for both HDD and SDD drives. I've seen topics that claimed performance improvements because the drivers are better than the default ones. I've seen entries that claimed absolutely NO improvement...

If there IS an advantage, can someone tell me how to get RST to work properly in a non-RAID system?

A:Intel Rapid Storage Technology in NON-RAID system

Don't use it myself. Had it installed for awhile and seemed to cause problems. Uninstalled and don't notice any performance hit.

Personally believe the fewer of these add-ons you can run with the better.

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Good afternoon,

Having a bad day here trying to figure this out. Father's computer is a gateway running XP and w/ Raid. Windows will no longer boot after he tried to turn it back on from hibernate today.

The boot goes to:

Intel Matrix Storage Manager

all ok except

Port 1 (drive name) - error occurred (0)

Than gives the prompt for Configuration Utility but I don't want to be deleting Raid if I don't have to....I dont know what data I would end up losing either.

Than if you don't click that, it goes to the windows didnt load properly menu. None work and it will have windows trying to load forever. I tried safe mode with prompt and it hangs up everytime at


I tried the gwbasic memory basic and smart tests....no errors at all. I did not try the extended yet as it will take hours.

Notes: Upon going into Bios...it seems I can not even change the boot order. I downloaded an XP recovery disk and it won't boot up. I can get it to go to Intel Boot Agent than it immediately goes back to the windows didnt load properly menu. So far, I can only get the gwbasic memory tests to boot up from a CD.

I tried all the reseeding and unplugging with no luck either. Did a lot of research on here with the closest problem being an Itunes related one but they were allowed to still log into windows whereas I can not nor do we even have Itunes on here.

Any help would be greatly appreciated.


A:Intel Matrix Storage Manager Error (raid?)

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Is it possible to use a separate hard disk for your OS and programs with data storage on a RAID Array consisting of two (or more) identical hard disks?

Would the system disk need to be the same size as the disks used for the RAID Array?



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Good day Dell Community,Over time I’ve received a lot of questions about M.2 drives so I wanted to share some of what I have learned. I will explain in a kind of question/answer format:

What is Dell’s scope of support for the Samsung and Toshiba/OZC NVME drivers posted on these Manufacturers’ websites?Toshiba/OCZ: https://ocz.com/us/download/ (To get the NVME driver select OCZ RD400/400A in the drop down)Samsung: http://www.samsung.com/semiconductor/minisite/ssd/download/tools.htmlNote: Samsung’s explanation of what their NVME driver actually does is on page 22 of the following document: http://www.samsung.com/semiconductor/minisite/ssd/downloads/document/Samsung_SSD_950_PRO_White_paper...Keep in mind:• There exists Dell branded OEM Samsung and Dell branded OEM Toshiba M.2 drives as well as               non-Dell-branded Samsung and non-Dell-branded Toshiba retail drives• The drivers in question linked above will load for both Dell OEM drives and retail drives alike• The Samsung and Toshiba/OZC drivers in question can only be used when running in AHCI mode• These drivers do not apply when running in RAID ON mode as the M.2 drives will be operating under IRST in RAID on modeAnswer:Dell does not support the Samsung and Toshiba/OZC drivers for use in AHCI mode. Dell systems with Dell OEM Samsung or Dell OEM Toshiba drives running in AHCI mode will use a Windows inbox driver called stornvme.... Read more

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Hi guys,
it's been a while building a new computer but missed a lot of technical developments the last years causing some questions.
What I would like to achieve is a system with a fast boot drive (1TB) and 1 8TB mass storage drive.
Relevant hardware:
- Motherboard Gigabyte Z390 Designare
- Processor Intel i9-9900K
- 1 Samsung 970 EVO Plus 1TB NVME SSD
- 2 Samsung 860 EVO 4TB normal SATA III SSD's

Would it be possible to configure in BIOS the Samsung 970 as a NVME boot/OS drive and on the same time create an 8TB raid-0 drive with the 2 Samsung's 860 (attached to SATA connectors on MB) without using a dedicated Raid-card ?
Planning backups to an external normal sataIII HD drive.

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New IRST v11.7.0.1013: Production Version Release Notes

Official Intel v11.7.0.1013 Driver

I do not know if you're like me that has the IRST v11.2.0.1006 version driver on their machine for a while (iaStor.sys), but couldn't successfully install the v11.6.0.1030 (iaStorA.sys & iaStorF.sys).

I think the bug for me looks like a little that:

Placing OS on 2-drive RAID0 volume at end of matrix array causes RST to construe incorrect HDD as the system

Any feedback will be appreciated as i still can't install properly those new versions since v11.2.0.1006.

A:Intel® Rapid Storage Technology (RAID) driver v11.7.0.1013.

Have you checked to see if ASUS has a new BIOS with a newer Intel ROM?

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I added 2 new exact same 4 TB drives that I want to set up as a software raid 1 to prevent loss of data if a single drive fails. It should write the data to both drives at the same time. This should be straightforward to set up - under control panel - storage spaces - create a new pool - select the drives then add them to a "storage pool" and select what type of raid.

These are blank drives - after I select them and try to add them to a pool I get the error "Can't prepare drives" - "Close all applications that are accessing the drive, and then try again." "Access is denied. (0x0000005)"

Nothing is accessing the drives...........

I went into control panel - administrative tools - computer management - storage - disk management - and deleted the volumes from both drives, so they are no longer formatted - now I get a different error message "Can't create pool" - "Check the drive connections, and then try again." - "The request is not supported. (0x00000032)"

I use this computer personally at my house - I just have important data that I don't want to lose and this is a great feature built into Windows 10 - but I cannot get past this point of adding the drives to the pool.

These were initialized as GPT disks because of the capacity. Bitlocker is off, and no other encryption.

Any help would be appreciated....
Tech Support Guy System Info Utility version
OS Version: Micros... Read more

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I have a computer running XP which was built with a pair of 80 GB hard drives which have met their limit in terms of free space so the user is wanting to upgrade. These drives appear to be running in some kind of RAID setup via the motherboards built in RAID feature (not a PCI card running this setup). This is the first time I've encountered a RAID setup in a home-based PC.

One other minor problem I have is this motherboard (an Asus ABN-VM) only has two SATA ports, which are both used, so I'm going to have to clone to an external drive as an image file and then connect the new single 500 GB drive and clone back from that image to the new drive. However, come to think of it, I have an adapter that would allow me to connect the new drive to the PC via USB so... scratch that concern I guess.

I decided to take the plunge and see what Clonezilla would do with the external USB drive I have and the two 80 GB drives in the PC. When the main menu appeared I told it that I wanted to work in device_to_image mode and then told it to mount all drives. It then asked me to select the drive I wanted to use as the source but it presented both drives as individual drives, not a single mirror as I was expecting the motherboard to present it as. So... don't know what to do from here.

Perhaps there's another cloning utility out there I could run from within Windows or could boot from a disc that would recognize this array and clone it to a single drive properly. Any suggest... Read more

A:Need to clone a RAID mirror (two drives) to a non-RAID, single HD

If the drives are mirrored then imaging one drive should be all you need. If the drives are striped then the two drives are being combined together to make ~160GB drive.

I guess to determine this, what is the capacity of the main 'logical' drive? 80 or 160'ish?

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I have a Dell Precision 390 with a single disk on SATA0.
Could I add a pair of Raid 0 (stripped) drives on SATA2 and SATA3?
Well I have a pair of disks from a dead pc which I'd like to recover data from. They are configured as a Raid 0 pair.
I doubt this configuration would work, but I just thought I'd ask!

A:Dell Precision 390 desktop mixed raid and non raid?

I posted this nearly 4 years ago and 7000 people looked at it. No one had an answer...

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Installed a new M4 ssd today and loaded windows on it. Previously i was using 2 raptors in raid 0 for the os and programs. I re raided the 2 raptors and connected them to the jmicron ports and set them up for raid in bios, then created the raid 0 array no prob. Windows doesnt see the array when loaded up and i have the latest rst drivers installed..did this prior to the os install on the ssd. did i do something wrong? using the x58 e760a1 mobo. under device manager, the raid controller has an exclamation mark and no driver installed yet i have the latest rst installed..

A:Win 7 raid 0 setup / missing raid controller driver

Try loading the JMicron drivers from the motherboard manufacturer. RST is for Intel chipsets.

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Hi all,
My RAID 1 (I think? I have two equal drives that are mirrored) array was causing me a lot of pain. It kept freezing up my system and having me to had to rebuild the RAID too often. After a number of tests and browsing info online, I've decided that the RAID was the culprit of the freezing and BSODs that came once in a while.

Before deleting the RAID array, I went and used the Seagate (my HDDs) .iso file and used their diagnostic tool to check the drives. I did a long test of one of the HDD (Device 1) and it passed. I deduced that this was at least a good drive. I didn't do a long test for the other HDD (Device 0). But with both, after a short test, both passed.

I then went into the RAID manager (DOS-looking screen before Windows starts) and then 'reverted' Device 1 to non-raid. Then decided to choose 'delete RAID setup' for the Device 0. All good so far. I rebooted and Windows actually started fine. This is where I'm at right now as I type this. No freezing so far!!!

What I wanted to know is how do I find out which HDD Windows is booting off from? Is there a command line I can use in command prompt window in DOS mode to find out this info? It'd be great to know that I'm not on Device 0 since I haven't done a Seagate diagnostic long test on that one.

Also, I'd ideally want to have the second (Device 0) HDD formatted so that I can leave it in my tower and use it as an external HDD with Syncback. This is the closest thing I can have to RAID and I'm perfectly happy ... Read more

A:RAID - deleted RAID array, Windows 7 ok but I have questions

You can do into Disk Management and it will tell you which drive is used for booting. It will say it is active.

I am confused as to one part. You say you want to leave the second drive in your computer, but use it as an external. You can use one as your main drive, and use the other for backup...however a good backup process involves a drive that isn't readily available all the time. That being said, something like SyncToy from Microsoft will allow you to choose folders and on a schedule or manually, copy them to the second drive. I use this on my wife's laptop to keep her photos backed up to our server.

RAID has no place on a desktop system, so you are better off without it. But to get started, just go into Disk Management to see how your drives are configured now. Post a screenshot if need be.

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My Eyes er bleedin_n_my heads a spinnin
Been readin Raid-0 threads n pages for weeks now

The more I read the more confusing it gets!

I have two new WD800JBs, two old Fireball Plus AS 40 gig drives,
and a 5th 20 gig Quantum drive...for...."Disk Management Console Tweaks."

A Gigabyte GA7vaxp mainboard with Onboard Promise, and an old FastTrak100 pci card.

1. Is the Promise card better then the onboard version?

2. Can I create a hardware Raid-0 array as my primary partion;
then go into Disk Management Console and create a 2ndary
Dynamic Disk Array with my old Fireballs?
Perhaps I should just keep my old Fireballs for Storage/Backup and buy another WD800jb (only 80 bucks) for a hardware controlled 3 drive array.........or single ata WD800jb with dynamic disk array.......?

Blah...........bla,bla.........blah, blah blah!


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I keep trying to migrate it using minitool partition wizard but whenever the action has been completed it won't boot from the SSDs windows recovery comes up. Any suggestions?

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I created a windows system image with the backup and restore utility built into win7. This windows install is on a single hard drive. I built and onboard RAID 0+1 array and used the windows 7 install disk to restore the image on to the new RAID volume. Windows starts to boot up but the screen goes black and reboots. The windows recovery screen appears and asks if I want to run the startup repair or start windows normally. I selected the startup repair. Windows goes through it's paces and tries to repair but fails. It says "NoRootCause" and the problem is likely caused by a recent system change or upgrade. I have the feeling windows needs some kind of RAID drivers or something. The onboard RAID is a P5W DH Deluxe motherboard. Any ideas? Is this even possible to do?

A:Windows 7 System Image - Restore Non-RAID to RAID 0+1

MetalliMyers, welcome to the Seven Forums.

Assuming you built the RAID while still using the single disk this is what worked for me when I was experimenting with RAID,

1. Install drives and configure the array

2. Boot to Windows and install the necessary RAID driver

3. Make a full backup after the drivers are installed

4. Used imaging program (at the time I used Acronis True Home, but should work with any imaging app) to put the backup on the array

5. Disconnected the single drive after imaging just to remove it from causing any problems

6. Started up and it booted to Windows

No promises but it should work. Failing that you are looking at a fresh install of Windows.

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Hi..thanks for the help...I have XP installed on a non raid drive C: I am trying to install XP on a RAID0 set up.....I have tried to install the raid set up but the puter reboots after a BSOD right when it tries to get to my desktop...is it because of some conflict with another OS on the non raid drive? I tried to disconnect the non raid drive before booting up the raid XP but still..no dice...any ideas?

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