RAID stands for Redundant Array of Independent Disks, and is a technology which can provide increased reliability, performance, and/or redundancy by utilizing multiple hard drives simultaneously. RAID can be implemented in a computer via either a hardware or software controller.

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Dynamic Disk (software RAID) not accessible after windows 10 upgrade

I have two 2TB drives set up as a single volume in Windows. In Disk Management these physical drives are listed as Dynamic. I set them up in Windows 7, and they continued to function fine when ...
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6 views

Rampage IV Extreme RAID, don't even see a Ctrl+i option

Trying to do a RAID 0, went to the SATA settings, changed to RAID, didn't work. Try turning on hot plug, doesn't work. Tried IRST instead of RSTe, doesn't work. Disabled fast boot, doesn't work. Not ...
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7 views

Moving a Promise SmartStor Raid 5 to a Promise Pegasus2

Hi guys I have a Promise SmartStor DS4600 RAID server that is out of space (4gb). I want to move all the data to a new RAID server made by Promise (8gb or 12gb). I am having a really hard time ...
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31 views

what is the best practice for file server setup? [closed]

what is the best practice for file server setup ? I am planning to build a home file server that has 25 4T HHDs. I would like to have some suggestions for Hard ware configuration I am looking for ...
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14 views

Replace (non-raided) drive in raided server

Current setup: ~100gb disk (sda) with 4 partitions: /boot, /home, "system folders", swap 500gb RAID5-array (md0) with 1 partition: /var OS is Ubuntu Server LTS 15.04 on an old hp 32-bit system ...
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26 views

How to make the low cost , most efficient NAS raid with Raspberry Pi [closed]

I'm doing an experiment with my Raspberry Pi for education and giggles. I'd like to know which is the most energy and speed efficient option considering the materials I have and what I'm trying to do. ...
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12 views

Are dd read/write tests using dsync reliable under RAID?

I'm performing performance testing of some new hardware, and I was quoted from a vendor what kind of performance i should get from a dd command using the oflag=dsync option. However this amount was ...
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2answers
24 views

SSD (SATA) Disk along side RAID with 3 Disks

I have the P6T7 WS motherboard (https://www.asus.com/Motherboards/P6T7_WS_SuperComputer/) and wanted to install 4x 4TB drives as a RAID 10 on the ICH10R Serial ATA connectors (6 times) , I have also ...
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1answer
78 views

Fail device in md RAID when ATA stops responding

I had created five 1TB HDD partitions (/dev/sda1, /dev/sdb1, /dev/sdc1, /dev/sde1, and /dev/sdf1) in a RAID 6 array called /dev/md0 using mdadm on Ubuntu 14.04 LTS Trusty Tahr. The command sudo mdadm ...
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21 views

Can I create Raid Secondary Storage in Windows 8.1 Pro?

I have Asus MAXIMUS V FORMULA Z77 chipset motherboard It has: 2 Intel sata z77 6.0 Gb/s controllers (used currently) 2 Intel sata z77 3.0 Gb/s controllers (used currently) 4 Asmedia sata z77 6.0 ...
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3answers
399 views

3TB drive on BIOS system

I have a HP Proliant microserver gen 8 on which I am planning on installing Debian. I was thinking of setting up a raid-1 configuration through the built in raid controller using two Western Digital ...
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2answers
96 views

Raid mode 5+ has collapsed on my Mediasonic HFR2-ASU3S2, how to get data back?

I have this: Mediasonic HFR2-ASU3S2 I set it up with 4x 4tb drives that were meant for NAS, all WD drives. Now when I plug in the Mediasonic HFR2-ASU3S2 I get a warning pop up asking me if I want to ...
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0answers
40 views

Repair btrfs RAID? Error: Inappropriate ioctl for device

I have a RAID5 btrfs with 8 disks and a hard disk died and just disappeared from the list. Now I tried removing it but got an error: ERROR: error removing the device '/dev/sdb' - Inappropriate ioctl ...
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1answer
27 views

No RAID boot menu on system start up

I have an HP Pavilion Elite HPE. I used to have an onboard RAID boot up screen but now I do not. Could this have vanished based on a glitch with using a different graphics card or the slow that it is ...
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48 views

Windows Software RAID 1 - How can I “Offline” both disks at the same time?

I want to disable both drives in my Mirrored Volume setup so that I can mount them in a virtual machine (for testing, no important data is on the drives right now). Offlining them individually breaks ...
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1answer
67 views

Software/Hardware RAID vs Windows Storage Spaces for DAS

I plan to upgrade my Intel RST Software RAID1 setup with 2 internal SATA drives to something more versatile: Drives need to be external (they have to reside in an enclosure connected to PC via eSATA ...
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10 views

software raid1 compatible on OSX and Ubuntu on external disks

I'm using external disk dock with two disks and want to setup software raid1 so that the setup works when usb3 mounted from both ubuntu and osx. How is this possible?
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1answer
23 views

Raid drive cannot be detected

Only yesterday I bought two new 2GB Seagate drives and set them up as raid and installed lubuntu. It was working fine and there was no problem but today I made the very bad decision of swapping over ...
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0answers
32 views

Use 4TB partition with old NTFS-3G which doesn't support GPT and RAID

I've a D-Link Router (2750U) which has a USB port and FTP Server. I've also a 4TB External H.D.D which I want to use as one partition with this Router as my home cloud. I don't want to split this ...
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33 views

Dual boot Win8/Linux on Asus Zenbook UX301 keeping intel imsm RAID0

I have Asus Zenbook UX301 with Win8 preinstalled. I would like to have a Linux installed in dual-boot configuration. However, Windows is using the notebook 2 SSDs as intel RAID0 (rom-based RAID, ...
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2answers
69 views

Which is faster, 2 SSD drives , each plugged into a sata 6 port on RAID 0, or 1 SSD drive plugged into a sata express port (10gb)

I have a new motherboard and it has 1 sata express port that's up to 10gb transfer. So I'm wondering which would have better performance? 2 SSD on raid 0 in a sata 6 port or 1 SSD on a sata express ...
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1answer
38 views

Hardware RAID10 HPA recovery

I have a hardware RAID 1+0 based on external CFI-B8253JDGG DAS. It was connected to PC with eSATA and contains 4x1TB HDD (Total capacity is 1.82TB in RAID10). Some days ago I tried to connect the DAS ...
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1answer
24 views

TestDisk failed in Deep Search?

I'm trying to recover data from a colleague's 4TB external G-RAID drive. I've saved the main partition from the quick scan result, but that didn't help, so i spent the past week doing a Deeper Search. ...
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24 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
39 views

RAID 0 speed improvement

I've got a free Samsung EV0 840 120Gb from my uncle. I already got a 250 EVO 840 in my computer. Now I was asking myself if I got a significant speed boost if I put them in RAID 0. I know the total ...
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1answer
24 views

No extents were found for the plex, when setting up Soft RAID 1 with RAID 5 on Windows Server 2012

I did find a similar question on this, but it did not really answer my question or fix the problem, so i'm starting up a new questions on it. This is my setup now: You can see if i have RAID 5 ...
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1answer
79 views

Correct kmod-megasr driver to install CentOS 7 on Intel Embedded RAID Technology II?

I am trying to install CentOS 7 on a server using RAID 5 on Intel Embedded RAID Technology II. I did need to install a special hardware key to unlock the RAID 5 feature. I have succcessfully ...
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28 views

Missing Operating System Win 7 RAID 0 setup

I have 2x1TB RAID 0 setup on an Asus P8Z77-V PRO Motherboard.Coming out of BIOS my PC just went to a blank screen "Missing Operating System". I have tried booting from the original Win 7 disk, ...
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1answer
27 views

Should a Linux Swap partition be on the RAID?

When setting up a new system, if I am planning on mirroring two hard drives, what should I do with the SWAP area? I can think of three things I can do... Do a mirror of the SWAP partition Stripe it ...
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26 views

Optimal load balancing between two hard disks. Does RAID 1 do the trick?

I am looking for a linux disk system for streaming media purposes that would do smart load balancing and minimize hard disk wear. To illustrate my points, lets take a physical hard disk device and ...
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35 views

Re-enable Windows 8.1 software raid 1

After re-installing my Windows 8.1 OS, not suprisingly, the software RAID 1 (mirror) does not work. In Computer Management -> Disk management there's a red X over a "no named" volume, with status ...
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16 views

btrfs not distributing data to smaller disks in 4-disk RAID1 array

I have a btrfs filesystem composed of four disks of sizes 3TB, 3TB, 1TB, and 1TB, configured in a RAID1 (data and metadata). I've noticed that btrfs doesn't seem to want to use the smaller disks at ...
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36 views

How to access access virtual raid drives created by another linux system that died

I had a server, red hat 6.4, that had 2 raid systems connected to it, but then the server suddenly died. I connected one of the raid systems to another linux system with centos 6.3 after installing ...
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4answers
85 views

Is raid 1 overkill for a home user

I'm looking to centralise my home data - pictures/videos/music and so I have ordered a synology ds214 and a couple of 2tb drives. Since I've been doing my research I've come to realise that mirroring ...
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1answer
37 views

What are following sata raid drivers for?

I've been installing raid 1 based server and the first time i did it. I didn't know which one to choose to I chose at random (I think ICH7R/DH one). Everything worked, but disk access times were ...
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42 views

Mirror Raid to Single Harddisk ACPI BIOS in the system is not fully compliant with the ACPI

My server used to be setup as a Mirror which means the 2nd harddisk would take the image of 1st harddisk. In anycase 1st harddisk is dead, 2nd harddisk would take over. It wasn't setup by me & ...
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1answer
84 views

One 4TB hard drive or two 2TB in RAID 0 – which gives better performance? [closed]

I’m looking into getting a new Synology NAS and looking at these two options for hard drives: 2 bays: 1 x 4TB - file system (video, music, private cloud) 1 x 4TB - daily backup 4 bays: 2 x 2TB ...
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2answers
66 views

Fix Intel RAID0 array, one of disks has bad blocks

I've got an issue with a firmware Intel RAID0 array. It consists of 2 disks 500 GB each. The second disk has several bad sectors, and I can't remap or hide them (they are 8 LBAs or 4096 bytes). I ...
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1answer
27 views

recover data from a previously RAID 1 drive?

Normally it's a drive that fails, but in this case it was my motherboard (I think). System is completely dead. It was a Dell XPS420 with a Intel ICH7R Matrix RAID controller on the motherboard. ...
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37 views

Dynamic disk mirror broken after motherboard replace

I have a desktop computer which was setup as follows: Windows 7 Pro 16gb ram Phenom II CPU GA-880GM-UD2H motherboard 2 x 120GB Kingston SSD in (fake)RAID-1 (boot drive) 2 x WD-3000 3TB hard drives ...
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62 views

chunk, ext4 stride and strip-width size for RAID level 1?

the man page for mdadm says: "[chunk] is only meaningful for RAID0, RAID4, RAID5, RAID6, and RAID10." i.e. it does not apply for raid1. even if you pass the value, it will say "ignoring chunk size" ...
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1answer
41 views

How to create bootable CentOS7 USB drive with FakeRAID drivers?

I have a few older servers that only have one available USB port, and no CD-ROM drives. I have successfully created a bootable thumb drive using dd to copy the CentOS-7-DVD isos to thumb drives, but I ...
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1answer
41 views

Replacing an Imminent-Failure Drive in a RAID-0 with Clone

The RAID-0 in question is run by an Intel RAID controller in a Gigabyte Z77X-D3H. It is a 2x320GB RAID-0, comprised of two different model drives. The working one is a 320GB Western Digital (whose ...
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3answers
44 views

Feasible to have a RAID of RAIDs

Having a RAID can increase speeds and redundancy. Can a RAID be made using other RAIDs as "disks"? This could further increase performance and redundancy. How many levels can you go?
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28 views

Implement backup strategy in cloud with a slow connection (around 150 GB)

I want to implement a backup strategy based in cloud to prevent data lost by disasters. Scenario: Proliant Server ML350 1X136GB (Windows 2008 installation and applications) 1x136GB (Applications ...
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0answers
18 views

Failover of Windows Storage Spaces

I am building a home server with an HP Microserver hardware. I installed Windows Server 2012 Datacenter on it. In order to take advanced of data protection, but without spending large money for a ...
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0answers
69 views

Alignment with RAID-6 (mdadm) + LUKS + XFS

What I want: I have a 4x4TB RAID-6 array with mdadm. I want the storage to be encrypted and plan on using LUKS. I will most probably use XFS as filesystem. I will add more disks to the array as ...
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1answer
35 views

Need application to run without root access

i try to build my local services system inhouse, and to thant i need to learn how i can give access to a single user with out type a root access when i do it, or i need to know how i can call the ...
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0answers
15 views

disable driver signature check while installing windows 7 [duplicate]

is there any possibility where i can disable the default driver signature check while WINDOWS 7 Instalation?. My problem is that: i had bought an asus mobo with inbuilt AMD raid card and i want to ...
0
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1answer
72 views

Install grub raid1 & lvm

I have installed an Ubuntu Linux on a machine where there was a RHEL (from Dell) At the end of the installation I got a message that GRUB2 could not be installed. So I booted into a Live Linux (from ...