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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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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Automatic mounting RAID array which is mounted manually

For our server setup, we have a RAID array which is being setup once and we have actually never rebooted the server. Right now the array is working fine, but I would like to add its entry to fstab so ...
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84 views

Repair/Reset Hard Disk - DON'T MIND LOSING DATA!

I have an Alienware M14x R2 with a Seagate Momentus hybrid HDD/SSD. I clean installed Windows 10 today and I booted Gparted from a USB to edit my partitions. I accidentally ended up moving the OS ...
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301 views

Cannot Install on a Thinkserver TS-140

Has anyone had a successful install of Ubuntu on a TS-140 RAID? I got it to install on my system AFTER I deleted the RAID partition into 2 separate drives. Called Lenovo/IBM tech support and they ...
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93 views

Attempting to recovery data from an iomega MHNDHD NAS Drive

Hi I have an iomega MHNDHD NAS Drive that smart diagnostics showed was on its way to fail so I did a ddrescue on the data partition and saved the data to an image. There was quite a few bad sectors, ...
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19 views

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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300 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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93 views

Install Ubuntu to RAID0 created from “Live” desktop

I am booting 14.04 Desktop 64-bit to the "Try" desktop (Live). In the "Live" boot, I use dmraid to construct a softraid from the two 750GB hard drives on my machine, and then select that when I ...
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77 views

Suspected broken partition table

My machine is running Ubuntu 15.04 (amd64). I have two SSDs for the OS in hardware RAID1, and two 3TB rotary drives in fake RAID1 which hosts my encrypted home directory. This evening I was ...
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65 views

Failed attempt to create software RAID1--repair or start over?

I've been attempting to set up a software RAID1 (mirror) under Ubuntu 15.04 on two identical 1 TB drives. Here are the bad instructions I followed. What follows is my documentation as it stands now: ...
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38 views

How to test the performance of various software raid levels?

I am getting ready to reformat and reinstall the OS on my machine. I run a Postgres server on it that it mostly reads and not a lot of writes. It is backed up to external devices frequently so the ...
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119 views

Install RocketRaid 644L Raid Controller driver on Ubuntu

I bought a RocketRaid 644L and get stuck at driver installation. uname -a Linux hb38-backup 3.2.0-41.generic #66-Ubuntu x86_64 GNU/Linux lsb_release Description: Ubuntu 12.04.2 lspci RAID bus ...
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103 views

Use RAID0 Array

I'm really new to doing stuff with RAID. I did a fresh install of Ubuntu Server 14.03 and made a RAID0 Array of 3 HDDs. I also set up an LVM on another HDD that's not part of the RAID. The way I set ...
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516 views

How can I install Ubuntu onto a software RAID 10 array?

I'm planning to set up a low-traffic server using RAID 10 with four disks. I'd like to have Ubuntu 14.04 installed onto that RAID array. I've seen plenty of guides explaining how to set up RAID 10 ...
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370 views

After `apt-get upgrade` mdadm won't auto-assemble RAID at startup

After a simple apt-get upgrade, mdadm won't assemble my intel raid anymore automatically. This leads to fstab entries not being mounted and so the startup fails. I'm dropped into a recovery shell ...
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53 views

special device /dev/mapper/jmicron_JRAID1 does not exist

It is my first post .. so first of all thank you all for the good effort. Concerning my problem now. On my Ubuntu 14.04 I used to have a disk (sdb) on raid (software cannot recall raid type). Suddenly ...
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157 views

BTRFS RAID6 array is broken, how do I fix it?

My Btrfs raid 6 array seems to be broken. When try to mount it I get the following error message. I don't know how or why it broke maybe a power outage or something (it happened during my vacation). ...
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111 views

HDD pooling/partitioning suggestions for media server

I have multiple hdds that I would like to pool together. Sizes are as follows: 2x1TB; 2X2TB; and 1x4TB. Running Ubuntu server 14.04 on a separate SSD with the primary purpose of using this machine ...
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43 views

OS drive and Data drive partitioning on Ubuntu Server 14.04

My server has 1GB RAM, 160GB nvidia RAID 1 disk that I want to use for the OS and a 2TB nvidia RAID 1 disk that I want to use for data (for Samba shares). What would be the best partitioning and file ...
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79 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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97 views

One drive removed from RAID5 each restart

After almost each restart my RAID 5 array is being degraded. Very suspisous thing I found in dmesg Log First SDA and SDB logs can be found, Then MD0 - without SDC and then SDC. What can be a ...
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RocketRaid 642l Driver Ubuntu 14.04.3

I am having issues installing the drivers for my rocketraid 642L card. What happens is during boot it just hangs and then the raid card makes a very loud beep until I reboot. Without their driver ...
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Software RAID 0 FAILS using mdadm on Kubuntu 15.04

I've read a lot about RAID on linux and decided to go software raid instead of fake. My hardware is 2x Samsung 250GB mSATA ssd in a laptop. So I want to run these in raid 0 configuration. The thing i ...
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144 views

16 TB what filesystem I should use

I need a 16 TB volume by 6 drives x 4TB. I use the last version of ubuntu. I need the filsytem very stable. How I can created this volume. I should use ext4, xfs, zfs, btrfs, with mdadm ? Thanks a ...
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265 views

Virtual disks not detected on hardware RAID with megaraid_sas drivers

I'm running Ubuntu 14.04.3 Server. I have an Intel RMS25CB080 hardware RAID controller, which internally has an LSI MegaRAID SAS 2208 controller. I boot off of a software (mdadm) RAID 1 array ...
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349 views

How update mpt2sas driver?

Is there some guide to update mpt2sas driver to latest version 20.100.00.00 (git)? I have strange NMIs in logs. Tried everything - CPUs, memory, MB Bios, raid controller (LSI 2008) bios and fw, Intel ...
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Ubuntu server 14.04 with adaptec RAID. How do I find my RAID folder in webmin

Ok so probably you'll be laughing at me for such a noob question... I have just set up the above system that I want to administer through webmin. All working fine but can't find RAID directory or ...
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409 views

Create RAID array of image files

OK, so I've got three image files in /home/, and they each reside on different physical drives: image1.img image2.img image3.img Each image is the same size, and I want to put the images ...
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134 views

How to check which disk is mounted where? How to mount all spare disks?

Doing a df -h: alvas@mt:~$ df -h Filesystem Size Used Avail Use% Mounted on /dev/sda2 3.5T 2.7T 597G 83% / none 4.0K 0 4.0K 0% /sys/fs/cgroup udev 63G ...
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81 views

Please help recovering accidentally formatted NSA disk (linux raid)

I accidentally formatted wrong disk using gnome disk utility. The Toshiba 1TB disk has been used in NAS Zyxel NSA320 and i planned to mount it in my ubuntu to make a backup. I use only one 1TB disk ...
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How to use HP's RAID driver for Smart Array B120i, e.g. ProLiant Microserver G8

At HP's Certification Matrices it is mentioned that there are no Smart Array B120i RAID controller drivers. It is suggested to use the controller in AHCI mode, use software RAID instead and forget ...
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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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421 views

EFI/GPT system partion with bootable RAID 1 system installation

I've used the ubuntu server installation image to install onto a RAID 1, which is two disks mirrored for redundancy. My configuration is as follows: /dev/sda - 500GB /dev/sda1 - 1GB, EFI system ...
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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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135 views

Drive failed in RAID, other drive has SMART errors. Which to trust?

I've had a RAID1 setup running in my machine for a couple of years, and recently the array has become degraded. Looking at mdadm information, it looks like the one drive has failed, but when I look at ...
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101 views

VMWare passthrough of Adaptec RAID 6405 on client Ubuntu 14.04

A while back, I asked this question on how to install Adaptec RAID 6405 on Ubuntu 12.04 and got a helpful answer :) Install Adaptec RAID 6405 on Ubuntu 12.04 (3.13.0-37-generic) Now, we are running a ...
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316 views

Manually partitioning 15.04 Server for RAID 0

I'm trying to install Ubuntu Server (15.04) on a 2012 Mac mini with two 240GB SSDs. I recognize that Macs can be tricky with EFI v. BIOS, but that's another issue. I'd like to install Ubuntu Server on ...
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653 views

GRUB fails to install with LVM setup

I have 1x 160GB HDD and 2x 80GB. The way I want to partition all the disks is as follows, GPT partition tables with 10GB partitions which will be LVM physical volumes. The rest of the disk space will ...
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300 views

Installing Ubuntu woes (2x SSD in RAID 0 & 1x HDD)

I have unsuccessfully been attempting to install Ubuntu over the last few days. The only thing I have accomplished was corrupting my windows installation and having to recover it. What I know: I ...
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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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235 views

Error removing an HDD from a RAID1 BTRFS array

I setup a btrfs filesystem on 3 disks with RAID 1. Somehow, a small portion (2GiB) got used as RAID0. At the time, no amount of running btrfs balance -dconvert raid1 -mconvert raid1 would change it so ...
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180 views

Intel RST (option rom, bios) raid and mdamd, how to?

I have 4 x 6TB hard drives which has been setup for RAID 10 in the BIOS (option rom: Intel RST (v12.7.0.1936)) on my P6T7 WS ASUS Motherboard with modded bios (BIOS) which works : lrwxrwxrwx 1 root ...
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Ubuntu Server 12.04.2 LTS over HP Proliant MicroServer G7 N40L | Rebuild RAID 1

I am doing testing with an HP Proliant Microserver G7 N40L that I acquire recently. I want to configurate 2 hard disks (1 TB per hard disk) in RAID 1 array. I mounted the volume like this video and I ...
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How to change raid1 to raid 11?

raid1 --> /dev/sdb /dev/sdc raid11 --> /dev/sdd /dev/sde /dev/sdd -> bad sector /dev/sde -> new hard disk I have for hard disk. And I have created two raid in that with raid array raid1 ...
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72 views

How do I change my RAID configuration(mdadm)

I would like to change my current partitioning and RAID configuration without reinstalling Ubuntu 15.04. Here is the output of sudo fdisk -l: md0 is /home and md1 is /tmp I would like to change it ...
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Copying RAID 5 hard drives

In 2008 or 2009, I put together a server that had four 200GB disks in RAID 5. The server doesn't work any more, but I still have the disks. I can't easily put all of the disks into my current system ...
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213 views

Adding a Second Hard Drive to a Ubuntu Server

I am thinking about installing a second hard drive into my ubuntu server. How hard is it to do this bearing in mind that it's a server and has no GUI. Also is there some way to merge the 2 hard drives ...
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169 views

Mdadm array showing as UUID?

I have an ssd with ubuntu and then 4 hdds in a mdadm array. I had to reinstall ubuntu and now am seeing the array but only mounted as the UUID and the array appears as an external drive in ubuntu. ...
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35 views

Mount Wester Digital disk from NAS

I had a WD Nas with a single disk (WD 1000G032). The cabinet broke, so now I have it hooked up with my computer and is trying to mount it in Ubuntu. I know the disk works and it shows up when I do ...