RAID stands for redundant array of independent disks, and allows for disks to be linked in various ways. Common RAID setups in Ubuntu are a hardware RAID, FakeRAID and software RAID.

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How to install Ubuntu 14.04 64-bit with a dual-boot RAID 1 partition on an UEFI/GPT system?

I have a computer with dual SSDs and Win (7) pre-installed on another disk. The pre-installation uses (U)EFI/GPT boot. I want to install Ubuntu 14.04 64-bit desktop on a RAID1 root partition on my ...
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Dual-Boot Ubuntu 14.04 and Windows 7 on FakeRAID Installation error - question marks “????…”

I am trying to install Ubuntu 14.04 on FakeRAID along Win7. Win 7 has been already installed, and dmraid is running. During the installation I choose to manually partition, this is the structure: ...
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Ubuntu 12.04 installer does not see Windows already installed on my computer [closed]

When I just tried to install Ubuntu 12.4 alongside Windows 7 on my new "HP Pavilion 64k desktop with Windows 7" computer, Ubuntu said this computer has no detected operating system and someone ...
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How do I install GRUB on a RAID system installation?

I'm trying to setup and install Ubuntu on a RAID 1 setup. I have two disks, sdb and sdc. I've been following this guide https://help.ubuntu.com/community/Installation/SoftwareRAID which more or less ...
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How can I use Kernel 3.19 in 14.04 now?

So I'm rebuilding my storage server. For stability, I want to use Ubuntu server 14.04 LTS as the OS. However, I'm planning to use Btrfs with RAID 5, and this has been greatly improved in kernel 3.19. ...
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Setting Up RAID During 13.04 Install

I am attempting to install Ubuntu 13.04 Desktop on RAID 5, but I can't figure out how to do it. I have read that it can be done during the install, though I haven't found a good explanation of how ...
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MDADM Superblock Recovery

After a power cycle I found my RAID 5 Array no longer working. I tried various methods to reassemble the array but nothing has worked so far. I believe I need to recreate the superblocks and UUIDs ...
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How to Install Ubuntu 14.04 with RAID 1 using desktop installer?

Many people claim that it is impossible to install Ubuntu onto RAID 1 with the Desktop CD. Is this really true? If not, how can it be done?
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How to implement RAID 1?

How to set up RAID 1 [software, hardware or fake] on Ubuntu 12.04 desktop?
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Server stuck at black screen after reboot

I recently put together a new server running Ubuntu Server 11.10 and it's all working great except for one little detail. Whenever I run "sudo reboot" everything works fine until I get to the grub ...
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How to install Ubuntu server with UEFI and RAID1 + LVM

I used to install my servers with LVM over software RAID1, and grub install on the MBR of both drives. Now I have an UEFI server, and the compatibility (BIOS) mode does not seem to work. So I went ...
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A Guide to Install Ubuntu 13.04 using a RAID 0

Getting the error: Unable to install grub in /dev/sda? Because you are using a BIOS/fakeRAID0? If you manage to find this thread consider yourself in luck. I spent the last 48 hours trying to figure ...
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Well supported Hardware Raid Controller

I am currently planning to buy a hardware-raid controller. This became necessary since I am running Linux and Windows in parallel and now need the redundancy for both OS (Im am going to use RAID1 / ...
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Put HDDs in standby after X minutes using hdparm doesn't work

I use Ubuntu 12.04 on a home server. There are 5 hard drives: one SSD with the OS and 4 HDDs (Samsung HD204UI) configured as a RAID5 using mdadm. I don't need the RAID very often (say, about once per ...
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Can I cache an mdadm raid with an ssd?

I have a 1TB array set up in raid 1 using mdadm on Ubuntu 8, to store mission-critical files. I'd like to speed up read/write, especially for large files by caching to an SSD. Is this possible? Does ...
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How do I align my partition table properly?

I am in the process of building my first RAID5 array. I've used mdadm to create the following set up: root@bondigas:~# mdadm --detail /dev/md1 /dev/md1: Version : 00.90 Creation Time : Wed ...
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Not enough components to start the RAID array?

I'm trying to retrieve data from a "Western Digital MyBook World Edition (white light)" NAS device. This is basically an embedded Linux box with a 1TB HDD in it formatted in ext3. It stopped booting ...
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How to set up SSD raid and TRIM support?

I am looking to set up a new server. I can only use Intel 520 Series 240gb MLC ssds or standard Seagate 7200rpm disks. These are the non negotiable options. Naturally, as this is going to be running ...
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Is having the 'swap' partition at the 'beginning' better than at the 'end'?

I recently installed Ubuntu 11.04 onto a RAID0(stripe) device using the alternate installation disc and manually partitioned the HDs ext4 and swap partitions; during this process, I was reading in a ...
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Why isn't md raid assembled after reboot?

I'm trying to get an Intel RAID setup. The problem I have is that after a reboot the raid is not available. These are the steps I go through to setup the Intel RAID using the mdadm command. I've ...
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Unable to Install GRUB in /dev/sda on raid drives

I'm trying to install 12.04LTS on a server but keep running into the unable to install grub error like so "Unable to Install GRUB in /dev/sda". The drives are in raid1 and I'm using fakeraid on a ...
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12.04 unable to boot on /sde, upgrade-grub and boot-repair failed

My problem is I've 4 disks in a raid array listed as sda, sdb... sdd and grub 2 refuses to boot on /sde (the 5th disk, standalone and containing a clean install of 12.04 LTS). I tried all solutions ...
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How do I recover my RAID partition after the Ubuntu 11.04 upgrade?

My RAID drive was working well with Ubuntu 10.10, but after doing an upgrade I am no longer able to mount my RAID drive. I think it is due to a invalid RAID description similar to this problem: ...
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Installing Ubuntu with Fake RAID 1

I had: Software: Dual boot with Windows XP Ubuntu 10.04 LTS x32 Hardware Fake RAID 1 (mirroring) with 2x1 TB: Partition 1 - Windows Partition 2 - SWAP Partition 3 - / (root) Partition 4 - ...
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How to install Ubuntu 12.04 server with RAID1?

I have spent the last 4 days or so trying to setup Ubuntu server 12.04.2 with RAID1. I have looked at several different links and tried different configurations and workarounds. So far, I have not ...
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Can I install ubuntu 14.04 on my RAIDed desktop?

I think I heard that RAID was removed from the Ubuntu installer recently. My system is currently made up of a series of RAID1 arrays: one for 12.04, with /home mounted on a separate partition/array. ...
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Ubuntu 13.04 Server Installation With no RAID option?

I'm installing Ubuntu 13.04 Server. When I get to the partition manager, I select Manual. When I click on one of my disks that I want to use as a RAID partition, the option doesn't exist. Can you not ...
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raid advice with SSD and two HDD

I have a new machine with one 128GB SSD and two 1TB HDD. On the SSD is the OS and my initial thought was to put the two HDD in RAID 1 for user data. After some more thought I came up with two other ...
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Two partition tables are unrecognized

While trying to installing Ubuntu 14.04 as my sole operating system, I've been encountering a number of issues (Described in more depth at Ubuntu 14.04 installation crashes with "???" ...
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Installer Only Recognizes 801GB of a 3TB RAID1 Array

I've been searching as best I can for this precise problem, but the only place I found it exactly was here, and I don't think that the OP ever got an adequate answer. Most of the issues I've seen ...
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Add two new HDD in Raid 1

I just made a fresh install of Ubuntu 12.10 on a new SSD (/dev/sda). Now I would like to add two 1TB drives (/dev/sdb /dev/sdc) in RAID 1 but I'm pretty clueless on how to do it. This is what I came ...
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How can I quickly copy a GPT partition scheme from one hard drive to another?

On a non GPT partition table I can do sfdisk -d /dev/sda | sfdisk /dev/sdb. But sfdisk doesn't support GPT partition tables. What can I use instead? I'm looking for a one or two command solution, ...
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Setting up RAID 1 on 14.04 with an existing drive

I have a currently installed Seagate ST3000DM001 (about 90% full) and a new Seagate ST3000DM001 (blank). I would like to setup RAID 1 without losing the data on my currently installed drive. If I ...
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Improving mdadm RAID-6 write speed

I have a mdadm RAID-6 in my home server of 5x1Tb WD Green HDDs. Read speed is more than enough - 268 Mb/s in dd. But write speed is just 37.1 Mb/s. (Both tested via dd on 48Gb file, RAM size is 1Gb, ...
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Software raid - mdadm - re-find my array

Description Today I plugged in another hard drive and unplugged my raid drives to ensure when I wiped the drive, I would not accidentally pick the wrong drives. Now that I have re-plugged in my ...
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Should swap and RAID-1 mix?

I have a box with a small RAID-1 array being used for swap space. I only did this since I was setting up mirrors for every other partition in the system. Today I read this question and it prompted ...
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Rebuild mdadm Raid5 after OS hard drive died

I have an ubuntu desktop 10.4 "server" with 5 hardrives. 1 of the hardrives had 3 OS's on it (Windows Vista, Windows XP, and Ubuntu 10.4). I primarily used the ubuntu OS so that I could use mdadm and ...
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Removing mdadm array and converting to regular disks while preserving data

I have a 6 disk (2TB each) mdadm RAID 5 volume created in Ubuntu 12.04 Server. However, I'm moving to a different solution and want to "unraid" my disks but keep the data. Only 50% is in use. From ...
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Stuck starting cups-browsed

I'm trying to install Ubuntu 13.04 on Dell XPS630i with no success. There's two problems: bootloader does not install via ubuntu installer. Resolved this with the help of repair-boot. Mentioning ...
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How can I physically identify a single drive in a RAID array?

I have an external drive bay with 4 eSATA disks in it. My system has a 4-port eSATA card, as well as a pair of internal hardware RAID1 drives. The external drives are in software RAID1 pairs as ...
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Is there a Linux software RAID that can be shared with a windows installation?

What are the options I've got when it comes to RAID and Windows?
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How To Install Ubuntu 14.04 on HP Dynamic Smart Array b120i logical drive

I've got some problems when trying to install ubuntu on hp proliant dl 160 gen8. I've got 3 logical drives in dynamic smart array controller, and on installation screen I see only physical drives. How ...
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Can I create a 4TB Raid 1+0 volume?

I'm thinking about setting up a NAS based on Ubuntu server, but before I invest the money, I want to make sure what I want to do is possible. What I'm thinking is a 4x2TB Raid 10, so my usable ...
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How to setup Ubuntu on a Motherboard Raid, no alternate image

This is something that took me an extraordinary amount of time to iron out, and the literature is distributed over several websites. I also didn't like the idea of doing it through the alternate CD, ...
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How to install using btrfs in RAID10 mode?

As a test I want to install Ubuntu 11.10 onto a btrfs file system in raid10 mode. However, I have no clue on how I should go about that. I have tried the installer, and then creating the fs in the ...
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Move RAID1 to new machine [closed]

I have an older server with / on one hard drive and /srv on a RAID1 partition, which I remember took some time to set up (I set it up after the installation). I will be installing Ubuntu 10.04 onto a ...
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Setup of two additional SSD drives in RAID 1

I have an ubuntu 12.04 setup with two HDD that is setup in a software raid 1. Now I need to add two additional SSD drives for separate storage of some database files. They need to be setup in their ...
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How can I create a USB RAID?

Reading this link, it describes how to make a RAID array out of USB sticks, however it describes the process using Gentoo now I don't know about gentoo and have never used it, but I'm supposing this ...
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Delete mdadm array but keep data

I have a two-disk mdadm RAID1 array. One of the disks has died so the array is in a degraded state. It's been like this for a while and while I didn't mind getting the occasional email through, ...
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How can I create a software RAID drive and install Ubuntu Desktop on that drive?

Since GParted does not support RAID, what tools can we use to create a RAID drive (0,1,5 etc) and then install Ubuntu onto that drive? Assume we are starting on fresh system with no OS.