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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RAID1 “conflicting device node” message on startup

I'm dual booting Win8.1 and Ubuntu 14.04 (Gnome Classic). I have RAID1 set up (on Asus Z87-A motherboard) with Win partition, Ubuntu partition, and NTFS partition for data. On Ubuntu startup, I see ...
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How do I add a partition (specifically swap) to my raid0 laptop setup?

EDIT: yes, gparted was the (in hindsight obvious) answer I foolishly didn't create swap space when I installed Ubuntu alongside Windows on my Acer laptop with 2 SSDs preconfigured as raid0. Now I ...
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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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lvm disappeared after disc replacement on raid10

here my problem: I am running ubuntu 12.04 on a raid10 (4 disks), on top of which I installed an lvm with two volume groups (one for /, one for /home). The layout of the disks are as follows: Disk ...
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Is my mdadm command correct, should I check something else before entering it?

The question: Would someone please confirm that I have investigated the correct factors and am about to use the correct mdadm command before I do something that might damage the data in my ...
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97 views

fsck on a hardware RAID5

My Ubuntu 14.04 server won't boot properly and I want to check the hard drives with fsck to make sure everything is ok. I can boot into a systemRescueCD no problem. The server has 4 HD using a ...
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195 views

update-grub fails on lvm cryptoroot

Disclaimer: I'm running this server now but I did NOT install it. I have two disks connected to an Intel Hardware Raid Controller running in RAID1. On top of it there is a fully encrypted 12.04 ...
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91 views

Unable to access a Drive

I am new to this platform so I don't Know much about Ubuntu, Now I have installed the latest Ubuntu version that is Ubuntu 14.04.1 LTS (64 bit), I already have windows 8 installed in my PC and I have ...
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windows non-boot raid

I'm thinking about installing Ubuntu on a Windows machine for dual boot. There are three Windows drives c: and d: are independent and g: is a RAID (0/1 I think). What do I need to do to get the RAID ...
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mountall: fsck /boot [333] terminated with status 1

I am running a Ubuntu Precise 12.04.4 LTS vm on an ESXi. Suddenly, the boot up process started crashing with the following message: /dev/mapper/luxsrv--vg-boot: 251/249856 files (6.4% ...
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57 views

How to remove encryption from volume during installation

I'm currently in the process of installing Ubuntu Server 12.04 onto a fresh build. I have two 3TB hard drives that I'd like to run in software RAID 1, and was following this tutorial. During ...
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111 views

RAID 5 array mdadm add command no response

On ubuntu server, I have a software RAID 5 array, four 2TB drives. One of the drives died, I sent it in and got a replacement. I put the replacement in my server, used an sfdisk command to set the ...
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Strange RAID disk volume usage

I have Ubuntu Server 12.04, and my disk is full. I don't know why; my files don't use more than 5GB. Filesystem Size Used Avail Use% Mounted on ...
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76 views

I grew an array with mdadm but I can't see the progress?

Today I added a 5th drive in my array, I did the following: mdadm --add /dev/md0 /dev/sdf1 My drive was added as a spare, I then did: mdadm --grow /dev/md0 --raid-devices=5 But when I want to ...
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204 views

Will Ubuntu spin down harddrives in an RAID 10 array?

I'm about to buy parts for a new home server and I'm planning on using Ubuntu(perhaps 12.04 LTS) For the OS, I'll use an SSD. For cold storage(big files, rarely accessed), I'm planning on setting up ...
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Installing 12.04LTS Server on a Fake RAID10

Scenario Install Ubuntu 12.04LTS Server on a RAID10 with boot on a RAID1. 4 - 2Tb SATA Hard Drives 3 Partitions (/boot, /, and swap) boot (256Mb from each disk) setup in RAID1 /dev/md0 partition ...
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246 views

How to choose LVM mapping mode when installing Ubuntu server 12.04?

I would like to create a volume group with striped mode on top of 2 RAID-1 devices. The issue here is I cannot choose striped when configuring LVM at installation stage. It's always be linear.
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679 views

Fixing broken raid0 with dmraid?

A while ago when I was still on Windows I had two secondary 1 TB hard drives that used a raid0 setup, fakeraid I believe with Intel. My primary hard drive died which seemed to have messed up the raid ...
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396 views

How do I mount disks with an Adaptec RAID controller on a dual-boot machine? (error code 12)

I'm trying to migrate from Windows to Ubuntu 12.04, dual-booting at the moment. One problem I am facing is the RAID controller, I'm not able to mount any of the drives connected to it. (The OS is up ...
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770 views

12.04 does not boot from the disk after installation

Installed Ubuntu on HP xw4600 workstation using CD not USB. But after installation it does not boot from hard drive. During installation it showed: The entire disk will be used: ...
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24 views

Filesystem/RAID configuration to stripe/mirror three hard drives

I have 3 HDDs in my workstation: 1.5 TB (drive "A") 2TB (drive "B") 4TB (drive "C") I am doing a fresh install of 16.04. I would like to find a filesystem/RAID configuration that allows me to ...
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Drive Encryption Ubuntu Server 15.10

I have a small server running Ubuntu Server 15.10 from a usb stick. I have 6 drives of varying size all formatted to ext4. 2 drives I plan to configure using Raid 1. The remaining 4 drives I plan to ...
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Procedure for rebooting server with Soft RAID mdadm

I've just made a raid10 on my ubuntu 14.04 server, and i was wondering if there was any step too do if i would to shutdown/reboot my server. It a Software RAID with mdadm. Do i need to make a script ...
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LVM mirrored reads goes to one drive instead of both

I've set up LVM mirror on two HDDs. The mirror works (and even has proven it's efficiency when drives failed two times). The problem is that all read operations goes to only one HDD, I see it with ...
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26 views

RAID array shared between Windows and Ubuntu

I am booting both Windows 10 and Ubuntu 14.04 off their own dedicated SSDs. No problem. I have 3 2TB HDDs I would like to run in a RAID5 array which I can share between both operating systems. I ...
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Trouble Installing 14.04

9.10 64 Bit works just fine. No later version will install. If I install anything newer than 9.10 I get the error: attempt to read or write outside of disk 'hd0' Boot Repair and all the online ...
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dkms.conf location for new build RocketRaid documentation

Noob at work here. I have Ubuntu Server 14.04.03 LTS installed and running. I added a Highpoint RocketRaid 640L internal SATA adapter. I installed 4 drives and have them configured in RAID 5 via the ...
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How can I split a partition in a RAID1 array on ubuntu?

I just purchased a brand new server on OVH with disk specification: 2 x480GB of SSD SOFT. When I do df -h, the output is: Filesystem Size Used Avail Use% Mounted on /dev/root 20G 13G ...
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Ubuntu Server 14.04 LTS Server not seeing a RAID1 setup by AMD-RAID

I am attempting to install Ubuntu Server on a RAID 1 array I setup through my AMD-RAID. This is the legacy RAID that comes with my MSI motherboard which is configured in the BIOS. I have setup the ...
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70 views

What provides the mdadm-raid boot facility?

Three of my initscripts depend on boot facility mdadm-raid. In particular, user@host:/etc/init.d$ grep mdadm-raid * cryptdisks:# Should-Start: udev mdadm-raid lvm2 cryptdisks:# Should-Stop: ...
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How to verify grub2 on a Soft RAID setup

While upgrading the distro I got the following warning: Setting up grub2-common (2.02~beta2-29) ... Setting up grub-pc-bin (2.02~beta2-29) ... Setting up grub-pc (2.02~beta2-29) ... Installing for ...
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Raic controller with ext sata cage

I was wondering how difficult it is to create a Raid 5 system on an Ubuntu 14.04 desktop pc already running. I plan to use this Raid card with this Sata Cage and add 4 HDD for backup and storage. I ...
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163 views

Massive read Problem with LSI SAS 9211-8i Host Bus Adapter under 14.04.3 LTS

I have a new installed 14.04.3 system with massive read problems from a raid 10 over a Avago LSI SAS 9211-8i Host Bus Adapter. I tried to install the latest driver downloaded "Linux ...
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256 views

Fresh install of Ubuntu Server 14.04 not loading on Asus X99-E WS SOFTWARE RAID 1

I have TWO 1TB drives configured as SOFTWARE RAID 1 using the Asus X99-E WS motherboard. Both Drives are connected to the Asmedia SATA controller instead of the Intel SATA controller. I intend to use ...
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68 views

Hardware (/fakeraid?) RAID 1 fails to show correct size using Asus X99-PRO

I have a Ubuntu-only system with 3 disks, 1 SSD drive and 2 identical mechanical drives. The first one has the core Ubuntu install while the latter 2 I want to set-up with RAID 1. Unfortunately I get ...
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57 views

Rebuilding RAID 10 after crash

I am running a RAID 10 The structure 1x USB drive contains the systems and is the bootup disk. 4x 2T drives contain the RAD10 Array. What happened: • 3x 2T disks and 1 x 1.5T disk • Recently ...
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Ubuntu MaaS Raid Preseed

Straight to the problem. I need a raid configured during the maas node commissioning via preseed file and I'm unable to find any meaningful documentation on how to do it. For example I need a preseed ...
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Use Marvell 88SE9172 sata controller for HW RAID 1

I setup a hardware RAID 1 with a Marvell 88SE9172 sata controller on a GA-Z97X-Gaming 7 motherboard. In my BIOS all settings seem fine and the RAID 1 was setup using the post boot setup. ...
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Error when installing Ubuntu for the first time

I'm trying to install Ubuntu for the 1st time. First time installing any Linux program. Have a brand new just ought of the box Thinkserver TS-140 with 2 - 1 TB drives configured as RAID 1. I get to ...
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256 views

Replace failed disk in RAID 1

two days ago one of my two drives in my software RAID 1 (that was setup using gnome-disks) configuration failed. I could not access the files in the meantime. After short research it seems that I have ...
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71 views

Install Ubuntu on Btrfs Raid1 pool

I have seen the post Installing Ubuntu on btrfs over multiple drives, but the solution suggested there does not help me. Before using Btrfs in a production environment I wanted to give it a try in ...
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64 views

Ubuntu 15.04 Desktop disk mirroring

I have just installed Ubuntu in a dual boot system with Windows in my computer. This is my disk configuration: Disk /dev/sda: 931,5 GiB, 1000204886016 bytes, 1953525168 sectors Units: sectors of 1 * ...
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Ubuntu Software RAID server and VMware conversion tool

I have tried to find an answer to this, through several unsuccessful forum searches. I have a Hosted Virtual Private Ubuntu Server that I have no physical access to. I downloaded VMware's vCenter ...
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Installing GRUB2 on Intel RAID1 volume fails to boot

I've come here as a kind of last resort, hopefully someone will be able to help me. I work for a company which sells POS systems, recently we started using the HP RP5 5810 PC as the heart of our ...
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Mdadm slow raid6 creation

Currently I am creating raid 6 on 4 4TB hdds. When I use the command "cat /proc/mdstat" The returning info tells me I'm 57.9% with 26516.7 min speed 1032K/sec That seems like a really long time. ...
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Can the C: drive in WINE be put in the RAID 10 local to host Ububtu 12.04 LTS

really new to Ubuntu, and even newer to WINE. Is it possible to move the C: drive in WINE to use a Raid 10 array that is internal local to host non boot storage. I really want to keep the SSD boot ...
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mdadm build legacy array on boot

I have RAID0 that was built using windows dynamic disk. I've read that this is a legacy array and can be assembled using build in mdadm. I've gotten the array to build and mount using the following ...
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RAID1 /dev/md0 showing up as /dev/md126 after reboot

I've already configured the file: /etc/mdadm/mdadm.conf with the outcome of : mdadm --detail --scan ARRAY /dev/md0 metadata=1.2 name=compute2:0 UUID=4e0dd53b:c29a881a:795286f7:a649ff4a ARRAY ...
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97 views

RAID not assembling after reboot, throws “uuid not in config file” even though it is

I created a RAID5 array using 4 x 2.0Tb drives using the disks GUI. I used mdadm --detail --scan >> /etc/mdadm/mdadm.conf to save the configuration. I opened the mdadm.conf file and double ...
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Ubuntu Server 14.04 TLS plus Hardware RAID

I have just completed hadrware installation of my new RAID server which will run with Ubuntu Server OS. I have installed Ubuntu Server OS and everything run seemingly without problems. However, I ...