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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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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135 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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244 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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329 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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85 views

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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2answers
343 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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122 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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78 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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1answer
2k views

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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1answer
365 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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65 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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126 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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92 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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306 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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618 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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265 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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89 views

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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215 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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172 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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77 views

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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38 views

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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66 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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13 views

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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198 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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151 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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33 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 ...
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377 views

Failing to boot Ubuntu 14.04 server from raid1 array

I am trying to install Ubuntu server (14.04 LTS) in a raid1 configuration. The machine will be a network video recorder, recording video from IP cameras and storing for a period of time until space ...
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94 views

Is TRIM Supported for RAID0 in Intel Matrix RAID in Ubuntu 14.04?

It appears that TRIM is supported for RAID0 arrays with mdraid in Ubuntu 14.04. Intel now supports TRIM to Intel Matrix RAID (RSTe) RAID0 as of series 7 chipsets (and Intel's Windows driver). Ubuntu ...
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76 views

Howto install onto a software RAID?

I am trying to install onto an ASUS system with an LSI (fake) raid controller. Unlike debian, ubuntu 14 detected it and installed drivers and utilities. Then it creates a RAID 1 as directed. All is ...
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83 views

Home Backup Server with Ubuntu - Drive Controller Configuration

I am planning a build for a personal backup server; building essentially a NAS that I would install backup utilities on. I want to run Ubuntu Server as the OS, and am hoping for around 5-6 individual ...
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160 views

RAID1 with Ubuntu on Asus M5A78L-M/USB3

I have been able to correctly set up the above mentioned motherboard with the onboard RAID with Windows 7, but I need to build another machine (same motherboard) but running Linux (Ubuntu) and my ...
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29 views

RAID1 Array Ubuntu Server 14.04.2 New Disk Fails to Boot

I have RAID1 set up with two 120GB SSDs. I removed one of the drives and inserted another 120GB SSD with an identical partition layout to test the RAID rebuilding and the RAID rebuilt successfully. ...
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88 views

Intel Fakeraid Messed Up

I've managed to screw up my Intel fakeraid. It's a RAID-5. I've lately had some trouble with disks becoming disconnected, and I haven't identified whether it's the disk that's at fault, the cable, or ...
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52 views

To RAID or not?

I have the following setup: HP Microserver N40L 1 x 250GB HDisk 1 x 1TB HDisk 2 x 2TB Hdisks Ubuntu for OS Currently I use the server to backup the following hardware: 1 x MacBook Pro running ...
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123 views

new Ubuntu installation to non raid disk using existing raid0

I am trying to install a new Ubuntu partition in dual boot with Windows 7 Home Basic. I have Windows running on a raid0 on my SSD and I have a separate HDD that's not part of the RAID and works as ...
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158 views

Software RAID disapears after rebooting

I'm currently trying to setup a media server and I'm having issues with my software RAID. It seems like once I reboot the server the RAID doesn't get assembled despite there being an entry in the ...
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40 views

How to remove erroneous busy flag in mdadm

I have a system that I'm trying to configure and update to Ubuntu 14.04 LTS. I have a pair of drives which were previously the boot system. There are four RAID-1 sets: sda1 and sdb1, sda2 and sdb2, ...
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71 views

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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1answer
192 views

Install Ubuntu Mate on Raid 1

I wanna install ubuntu mate desktop 14.04 LTS on Raid 1 - preferably with LVM and Encryption. tha farthest i got so far is. booting live system installing mdadm, creating a raid starting ...
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29 views

Softraid 5 Ubuntu

I have installed a raid 5 on my ubuntu server 14.04 and I want to know how I replace a hard disk and make it recover/build on that HDD. My setup is 4 1tb hard disk in raid 5. No other HDD's or SSD's ...
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Error selecting zone when installing ubuntu 14.04.2

I'm trying to install Ubuntu Desktop 14.04.2 on a pc with this properties: - processor: AMD Athlon(tm) 64 X2 Dual Core 4200+ 2200mhz - motherboard: Asus M2N-mx - Ram 2gb - 2 raid's mirroring (80gb ...
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I want to install ubuntu on main hdd ams then have two additional drives set up in raid 1 for storage needs.

I want to do a fresh install of Ubuntu on my machine using a total of three hardrives. I want my small 500gb HDD as my boot and main storage for my system. I then want my dual 1tb HDD set up in a raid ...
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43 views

RAID Not Working

I'm trying to make my 5 HDD's into a RAID. So far I've done the command below sudo mdadm --create /dev/md0 --level=linear --raid-devices=5 /dev/sda /dev/sdb /dev/sdd /dev/sde /dev/sdf From reading ...
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28 views

RAID Array Check

I just created a RAID using the command below sudo mdadm --create /dev/md0 --level=linear --raid-devices=5 /dev/sda /dev/sdb /dev/sdd /dev/sde /dev/sdf Now how do I check its working, and is there ...
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14 views

Help Me With Software RAID

I am trying to create a striped array on five new HDD's. Does someone have a good guide on how to do this?
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How to get notified on any problems with raid?

I've set up RAID 1 of 2 disks for the purpose of data backup. Currently it's working and /proc/mdstat reports UU, but will I be notified in any way if one of the disks breaks leaving my precious data ...
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111 views

New Server - Need Backup Strategy Assistance

I previously had an Ubuntu 12.04 LTS server that I was running off of a single 2 TB hard drive. I had also installed CrashPlan on it and was backing up some data from it to the cloud (including the ...