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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Multiple Independent BTRFS Volumes

I have 4 x 2 TB drives. I want to set up one pair as a BTRFS RAID 1 volume, which I have done. I want to set up the second pair as a RAID 0 data, RAID 1 metadata volume, which I have not been able to ...
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Make Win7 Bootable After Ubuntu/Kubuntu Install

I had a Win7 install on a raid array (sda...) and added a second drive (sdf) for installing Linux. Installed Ubuntu initially using a Grub boot loader (no problem, Win7 still bootable), but then ...
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How to select the number of mirrors in a raid10 with mdadm

i know ho to create a raid10 with mdadm but i don't know what is the parameter for select the number of copies. I have 6 hard drives. Using the default values it will make only a copy of 3 hard ...
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Dual-booting Ubuntu 14.04 with Win 7 on a RAID 0

I'm trying to install Ubuntu 14.04 to dual-boot with my windows 7 in a RAID 0 array of 2 120gb SSDs, but I'm having some problems. I had to reinstall Windows 7 and created a partition for it, with the ...
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25 views

Trying to mount drive /dev/sdc: TYPE=“nvidia_raid_member”

I just installed Ubuntu 14.04 this weekend. Here is my setup: 128GB SSD = Win7 128GB SSD = Ubuntu 14.04 500GB Seagate Barracuda = Files, music, photos, etc For some reason the SSD with Win7 is ...
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28 views

Ubuntu Desktop 14 on PowerEdge doesn't boot on RAID

I have a Dell 1U PowerEdge 1950, and for some reason, we cannot install Ubuntu 14.04 64bit Desktop edition on it. I know what you're thinking... why are you installing desktop? I have asked the same ...
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Ubuntu instalalion Fail Fuel deployment on Dell 1950

I am trying to use Mirantis Fuel to deploy OpenStack and encounter problem with Ubuntu installation, I am using Dell 1950 with no RAID set so the system detect 3 attached disk, upon finishing ...
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Drive failure in Raid1. Can't replace

I have a software raid1 and mdadm emailed me that a drive failed. Following steps I found online, I marked as failed and removed the drive from the raid. I replaced the drive with an exact make and ...
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45 views

Correct way of RAID partitioning

This is a more theoretical question I ran into after I found out that it is possible with newer Kernels to create partitions on a RAID-volume. Since Grub2 it is possible to have /boot on a ...
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How to preload driver before Ubuntu 14.04 installation?

I have a Raid card: LSI 9311-8i. I want to install OS on RaidCard, but original Ubuntu 14.04 does not include mpt3sas driver, so it cannot detect the raid volume. How to make Ubuntu detect the volume? ...
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14.04 - Replaced drive in Software RAID 1 - How to make bootable?

I have an Ubuntu 14.04 x64 server with 2 500GB drives (sda and sdb) in a software RAID 1. I just had to replace sdb. Adding it back to the array with mdadm and resyncing was a snap. The problem I'm ...
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RAID 0 Superblock recovery?

Cool, I have a Synology Diskstation 212j, with 2x3TB drives in RAID 0 (I know, I know, I was very naive; never had a drive failure before). About a month back the volume crashed, I recovered the ...
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21 views

Hardware upgrade: hardware vs software RAID

I've decided to upgrade my system disk (Ubuntu 12.04) from a 7200 RPM EIDE HDD to a SSD. But my motherboard only supports 2 SATA drives, which are already allocated to a RAID-1 array. Clearly, I ...
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28 views

64 Bit Xubuntu on Full Software Raid 0 Using Mini.Iso

What I am asking is doable but the thing is I forgot how to do it since the last time I did. I recently upgraded my Ram to 8Gb from 2Gb. I am using an Asus Maximus Extreme with an intel core 2 duo ...
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linux server hard drives raid 0

I have a question about my hard drives configuration on my linux server build on server. I have 2 x 3TB hard drives attached to it, but they are configured as RAID 1 at the moment. So the data is ...
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32 views

how to install an ubuntu server with everything that the ubuntu desktop has?

how to install an ubuntu server with everything that the ubuntu desktop have? I am using 14.04 on a fresh server with raid disks
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How to re-create the partition table?

I accidentally dd the first 512 bytes using dd if=/dev/zero of=/dev/sdb bs=512 count=1 and the partition table is now gone. Is there ANY way to re-create the partition table(/dev/sdb). My hard ...
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Ubuntu 12.04 - Reinstall Grub on a Raid-1 via LiveCD

I had a hardware issue which caused my Ubuntu Server to fail. After the problem has been resolved I still cannot boot into my Ubuntu installation, but fall into initramfs instead. To me it seems that ...
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mdraid boot rescue

please help, i convert my raid from 2disk raid1 to 4 disk rad5, and after some command(i think it was update-initramfs and reboot system wont start, says error: file `/boot/grub/i386-pc/normal.mod` ...
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139 views

Installing Ubuntu 14.04 on Asus Zenbook (RAID)

This machine have 2 128 GB SSD drives (http://www.amazon.com/dp/B00EPGHE0E/ref=twister_B00JYFOKKS). I managed to install Ubuntu with no problems on one SSD drive, but I am having following troubles ...
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77 views

What should I use my SSD for? [closed]

I am setting up a small (1 user) email server. So far I have put in 2 x 1TB WD Red drives and set them up for LVM with RAID1 mirrored LVs. I also picked up a 120GB Samsung 840 Evo but I can't figure ...
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116 views

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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Can't alternate users, need to logoff to login other on ubuntu

I installed from scratch the Ubuntu 14.04 and configured it with a Samba share. There is a windows share RAID 1 drive (2 x 1 TB) with Mdadm, that Dropbox and more 2 backup solutions access (Acronis ...
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Raid Won't Mount After Reboot

I'm building a new Ubuntu 14.04 server with RAID. I partitioned the operating system and swap partition on a small harddrive and have the RAID strictly for files. After adding a new disc to the RAID, ...
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My (older) computer has become unbootable except for ubuntu minimal CD - RAID mdadm

I really hope someone can help me out here because my computer has become unbootable, and it holds a RAID-5 data disk Array (mdadm ) which I need to recover. No OS will boot, nor USB, nor DVD, nor ...
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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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92 views

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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booting from USB with Raid

I am trying to install the latest version of ubuntu on a dell precision t3500. but when I boot to usb stick. I get an error that says busybox v1.21.1 (Ubuntu 1:1.21.0-1ubuntu1) build-in shell (ash) ...
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29 views

Upgrading from 10.04 Server to 14.04

I have an Ubuntu dedicated server hosted at GoDaddy. I wish to make an upgrade from 10.04 to 14.04, however each time I login over SSH, I get the notice to be careful if I upgrade because I have ...
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60 views

Ubuntu with system on mdadm, broken grub, won't boot

My old disc started failing so I decided to change it. While moving data to a new disk, seeing how big it is, I though it would be a good decision to split the disk and add some insurance with RAID1 ...
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How to use 3 hard drives for one server? RAID, JBOD, or LVM? [duplicate]

I want to know a How to setup a JBOD, RAID, or LVM. I have 3 Hard Drives. 1 - 300 GB 2 - 160 GB 3 - 80 GB How do I use it as one single volume for Ubuntu Server 14.04 running a Web Server? My main ...
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Explain on how to setup a JBOD Ubuntu Server?

I have 3 hard drives. Two hard drives are SATA and one is IDE. C:\ - 300 GB SATA Hard Drive D:\ - 80 GB IDE hard drive. And third disk is not installed, assume as if it was. How do I merge all three ...
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1answer
50 views

problems with creating a raid 5 array

when ever I try creating a RAID setup with the disck utility it gives me the following error: Error creating RAID array: Error spawning command-line `mdadm --create /dev/md127 --run --chunk 512 ...
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Should I enable my Mobo Raid controller or leave it at AHCI?

I am setting up a raid storage volume, should I leave the sata controller on AHCI or switch it to raid when using Ubuntu's software side raid?
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How to remove fakeraid

I had a RAID 1 setup using by bios. Ubuntu was installed on the RAID array. I want to move to a software RAID 5 using mdadm with 3 disks. I have deactivated the RAID 1 in the bios, copied the ...
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135 views

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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1answer
40 views

Installing EFI to Raid 1 using partman and seed file, on both drives

So my question is, Is it possible to install the EFI partition onto both drives when doing a seed install on Ubuntu? That way if one drive goes, the relevant efi partition/data is there on the second ...
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1answer
19 views

ZFS Pool - in dire need of help.

I'm really really new to Ubuntu. Which is probably why I'm facing this predicament... I couldn't load Ubuntu this evening. For whatever reason I could get to the login screen, but absolutely no ...
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29 views

Will an Ubuntu Live USB be Able to Access a Windows RAID 10?

My Windows will not boot, so I want to recover the files and reinstall. I've tried two different version of Linux (an old Ubuntu 7.10 disc and a Puppy Linux boot USB), but neither appears to be able ...
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Fully recovering HDDs after using of RAID controller

I've been using Ubuntu for a year. But today happened something awful to me. I bought four-core AMD computer to do some virtuals there. But, I had wanted to reduce the risk and found motherboard RAID ...
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72 views

Ubuntu Server setup: How to install Ubuntu on one drive and use other drive for file storage?

I've built a computer to use as a home file server. I will be installing Ubuntu Server. I've put a small SSD and two large HDDs in it. I have no prior experience with Ubuntu (desktop or server). I've ...
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61 views

Dual-Boot Ubuntu and Windows 8 w/ SSD in Raid 0 won't install bootloader (Asus UX301)

I have been trying to install Ubuntu on my brand new Asus UX301 to no avail no matter what I try. I am always not able to install the bootloader on any partition. This does not matter whether I boot ...
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1answer
51 views

How do I set up RAID 1 on only a portion of my HDDs, post Ubuntu 14.04 installation?

I'm trying to set up a mirrored (RAID 1) "file cabinet" consisting of the remainder of sda, after "/" and swap have been set up and Ubuntu installed, plus the equal amount of Gb space on sdb, ...
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41 views

RAID10 write speed decreased to normal SSD speed after rebuilding the array

OS: Ubuntu 14.04 LTS Software Raid10: 4x120Gb Intel 530 SSDs Server: HP ProLiant DL160 G6 FS: md0: ext4/ md1:swap Test is made on fresh new install, before making any change to some package or ...
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84 views

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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Problem with full partition on / and raid

I'm in sort of bug with my root partition taking 100% I try to mount the / partition on a new folder /tmp/2ndRoot/ to make a correct du without /home and other folder mounted, and it seems the system ...
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28 views

nfs configured - clients cannot connect

I'm trying to get NFS working on my ubuntu server 14.04 again. It was originally working until last weekend, but when I tried to configure samba everything wen't fubar. Now none of my devices can ...
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Incorrectly detected fakeraid destroyed data during install

I have attempted to install ubuntu 14.04 on my PC in parallel (dual boot) with windows XP. My PC has 2 SATA disks, one was more-less devoted to the system, second one to data. However, when running ...
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How to check resync of megaraid?

I previously use software-based raid, and 'cat /proc/mdstat' can show the resync progress. Now I use hardware-based raid (perc h710p), I wonder if there is way to check resync progress using MegaCli. ...
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Ubuntu RAID failure [get a warning]

Okay I might sound paranoid, but every day I think that my harddrives in both my servers failed for some reason and I am going to lose all my data. I have a server with a RAID 5 installation with ...