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 14.04.3 on Acer Aspire S7

I decided to move from Windows 10 to Linux a couple of days ago. I started off by trying to install Mint 17.3 Cinnamon 64bit off of a LiveUSB on to my Acer Aspire S7-391 which is an UEFI-based ...
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Hardware RAID controller on Ubuntu Server 14.01 server

It seems Ubuntu Server 14.04.1 does not support Hardware Raid controller (Smart Array B120i - embedded). Are there any drivers that will help support?
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Ubuntu Server 14.04 LTS Software Raid1 + LVM setup

Is it possible to software Raid1 + LVM on a already running production server? If possible where can I get instructions please. Many thanks..
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Failure to mount raid array after upgrade to 15.10

I need help fixing my RAID arrays. here is what happened: I previously used ubuntu 14.04 with an SDD for the system and two identical 1TB drives as RAID1 array. Each drive is partitioned in two ...
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14 views

Migrating from dmraid to mdadm

I have a problem that a 6.9TB RAID5(FakeRaid) logical volume is shown as 3.2TB in Ubuntu. Some study on the web and I found that this may be because dmraid is being used while mdadm has better support ...
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20 views

Raid 5 Array will not start and one drive failing SMART test

First of all please forgive my noobieness but I will try to provide as much info as complete as possible. I had recently experienced a power outage that resulted in my Raid 5 Array from starting. ...
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12 views

samba share encrypted volume

I'm sure this has been answered a thousand times, but I can't find one, so apologies. I'm running Ubuntu 14.04 LTS on a file server, with samba 4.1.6. Shared files are in a RAID volume, ...
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12 views

No HP RAID with ubuntu 12.04

I've just bought a pair of HP DL360 G9's which have an onboard RAID card, I've configured the RAID volume and put in my kickstart CD only to find that individual disks are visible (SDA, SDB, etc) ...
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13 views

grub rescue on server with lvm+raid1

I have grub rescue > prompt after a power failure. I do have a Ubuntu Live CD. Any procedures on how to install grub on this kind of setup. raid device - md0 boot partition - VG-lv1 raid devices - ...
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11 views

How to install RAID management tool for ubuntu 14.04.3

This is the output of lsb_release -a command; No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS Release: 14.04 Codename: trusty According to ...
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19 views

After Installation Ubuntu Server 14.04 Show Blank Screen and can't Login (Problem with Raid)

I have a home server with below specification: - Asus Z87-C motherboard - 2 Internal Network Card (One On board and One PCI) - 2 X HDD 1TB (RAID1-Mirror through motherboard solution - Not Software ...
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21 views

Setup RAID 10 on RAID10 supported main board failed

I have 4x2T SATA disks and want to build RAID10 on a main borad: Intel Server Board S2600CW2 http://ark.intel.com/products/83027/Intel-Server-Board-S2600CW2. Somethings are quite confusing to me ...
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15 views

Ubuntu 14.04.3 LTS - RAID 5 volume vs capacity discrepancies

I currently have a RAID 5 setup on an Ubuntu 14.14 RAID setup includes (3) 2TB disks. The RAID /dev/md127 is showing 4.0 TB in size. Which would be correct I believe on a RAID 5 setup with 6.0 TB in ...
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15 views

Need help RAID + UEFI + boot crash

I have a server in RAID 1 with Ubuntu 14.04 LTS. Because of UEFI I could not install boot in raid so I left the boot on one of the hard drive. The problem I have is that the HDD drive where the ...
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17 views

Cache a (non-root) hdd which already has data on it with bcache - possible?

Could not find any recent info on this subject, so here goes! I have a small home server with 2 disks: SSD (120 gb), formatted as /ext4 which has an Ubuntu Server 15.10 install (including /home, ...
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17 views

Setting up a RAID 1 NAS with a seperate OS HDD?

So I'm a solid ubuntu-amateur with only a year of experience or so hoping to put together an ubuntu-samba file server and looking to learn more. I have seen a couple tutorials however the tutorials ...
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14 views

If I have created an LVM on one server can i move it to another?

Alright, so 2 questions here really. 1) I have already created an LVM uaing only 1 disk, if i remove this disk and put it into a new server will my data be lost or can I tranfer / create the LVM ...
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35 views

Issue with RAID CacheCade on Lenovo System x

I have a Lenovo System x 3500 M5 with RAID controller to work with CacheCade. I am using the storecli from https://www.thomas-krenn.com to configure the SSD drives as cache for the HDD drives. ...
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27 views

Share encrypted folder with Samba but only mount on demand

There are some similar questions, but my situation differs a bit. I have a server running 24/7 with a raid, which is shared via samba. I want to encrypt some folders on the raid and make them easily ...
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20 views

MDADM Superblock can't be read - raid 1 mirror

I have a ubuntu linux box, with a raid mirror, 2x3TB using mdadm It's not the system disk, but a raid 1 mirror that contains my files. After power cut, restarted and now getting "can't read ...
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29 views

sda sometimes changes to sde after reboot

I have a problem on ubuntu 15.10 server. Sometimes, the boot device is /dev/sda and after reboot it changes to /dev/sde, which messes up my raid. /etc/fstab: ...
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29 views

Installing GRUB with RAID

I'm setting up an Ubuntu Server 14.04 system from scratch. I'm installing via a USB key (which mounts as /dev/sda I think). I have 4 3TB SATA Seagate drives, and would like to mount / on a software ...
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11 views

mdraid 0: spindown of disk, F/W: Invalid Phase Change, F/W Device Problem

I use Ubuntu 14.04 64bit server with two SCSI disks in software raid 0 and installed unity on top of it. I know it is not the most secure setup but I love to recycle old hardware (and most of the time ...
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28 views

Ubuntu Server with kubuntu-desktop/kubuntu-full vs Kubuntu ISO

I've recently installed Ubuntu Server with a RAID 0 setup and after that I've installed both kubuntu-full and kubuntu-desktop. That way I get a Kubuntu setup without using the Kubuntu iso, since the ...
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15 views

Ubuntu 14.04 LTS long sleep on boot Raid 1

I've recently installed Ubuntu with raid 1 on 2 new 1 TB drives. Now for some reason it takes really long for it to boot. I've tried looking at it with Bootchart and it seems like it takes a lot of ...
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25 views

grub fails to find btrfs-filesystem after adding new devices

Having my server (Ubuntu 15.04) equipped with two 1TB HDDs in raid1, I added yesterday two new 4TB HDDs. After adding those with btrfs device add ... I rebalanced the system with btrfs balance ...
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36 views

RAID array somehow has extra drive, how to remove using mdadm?

I have a simple RAID 1 array as follows: sda (2TB total: partition1: 15GB partition2 1.8TB) sdb (2TB total: partition1: 15GB partition2 1.8TB) md0 = RAID1 15GB md1 = RAID1 1.8TB Somehow, md0 ...
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19 views

Error On GParted When Creating RAID Array

I keep getting the error message below when I load up GParted. It only occurs after I've put my drives into a RAID array using mdadm. The RAID /dev/md0 drive itself doesn't have the error, but the ...
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168 views

Install Ubuntu 15.10 Desktop with RAID1

I would like to install a Ubuntu 15.10 desktop on a computer, with a RAID1 (and LVM) setup. Before, I used the alternate installer to do this, but that installer is not available for the last few ...
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64 views

Ubuntu 15.10 crashes with RAID-10

When trying to install Ubuntu 15.10 with a RAID-10 created the system crashes after some time during the installation. Hitting Alt+F4 gives the following output as seen from screenshots in ...
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13 views

Migrating from broken motherboard

I have a 14.04 LTS Server that I use for virtualisation with KVM. The server has two hard drives with RAID 1 using mdadm (pretty standard as set with the Ubuntu installer). Yesterday, the motherboard ...
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20 views

Attempting to Recover a Raid 5 array with 1 failed disk and complete hardware failure

Long story short - Synology 1511+ reported HDD failing and gave me an option to attempt to recover. Came back some hours later to find the entire device had failed. Built a new Ubuntu box installed 4 ...
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20 views

GIGABYTE P25W v2

If helpful, I can run dxdiag and CPU-Z to show internal components. But my question lies in this. I'm running into lots of errors trying to live boot to test the system. I know intel is a ...
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44 views

Questions about creating RAID1 on Ubuntu VM

I'm trying to create RAID 1 - array on VM Ubuntu 15.04 with two disks:on the first disk there is a section with the root. The second disk is empty.In the process, I had a few questions: 1. I mounted ...
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47 views

Dell R430 Raid Array not recognized 14.04 server

I configured the OS to install on 2(mirrored) 16bg SD cards. After installation noticed the array was not created. created a RAID10 array of 4 1TB HDD but cannot get Ubuntu see it to mount it. How to ...
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37 views

Giving Plex permission to read and write to RAID storage

I've been having issues getting Plex to read and write to the RAID storage where we are trying to store our music/pictures. The drive is located at /media/user/storage I've read as much as I could ...
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32 views

Installing Ubuntu 12.04 on Dell precision R5500 Desktop

It will be really good if someone can help me with this issue. I need to install Ubuntu 12.04 on the Dell Precision R5500 and when i install the Ubuntu Server , i started to get this Issue. This ...
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140 views

Bootable flag doesn't change to “on”

Installing Server 14.04 and configuring software RAID-1. I already made my swap partition on my first HDD, and when i configure the remaining FREE SPACE, the option for "Bootable flag:" is present but ...
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42 views

copy partition table on raid1 restore to the wrong disk

My computer had a broken disk (SMART warnings). Before I had no raid1. I created one following this tutorial: ...
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54 views

Unable to load Ubuntu Server 14.04.3 with Promise FastTrak TX2650 configured as RAID1

I am very new to linux and hope that you guys will be able to help me out. I have TWO 1TB drives configured as RAID 1 using the PROMISE RAID BIOs setup. POP in the installation disc and started the ...
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83 views

how to empty /boot on ubuntu server 14.04 LTS

I have made a NAS drive which is running server 14.04 LTS and up until today its been working fine but I now have a problem updating it. I keep getting a message saying there is no more space on /boot ...
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94 views

Ubuntu Server Installation is Getting Stuck

I have been trying to install Ubuntu server on my IBM x3550 server to replace windows server; and the installation was doing just fine until it reached "Running live-installer-console-setup" at which ...
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78 views

Ubuntu Server 14.04.3 on HP Microserver Gen8 does not recognize logical raid volume

I am having the problem that the Ubunto 14.04.3 Server does not recognize the logical volume built by the b120i raid Controller of my HP Microserver Gen8. I installed the server on a micro sdcard ...
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72 views

Hardware raid 0 SSD with TRIM

I currently use 1 SSD with discards enabled in my fstab, but I am looking to move to 2 SSD's in RAID 0. If I hardware raid 0 the drives using my motherboard, would trim still work using the discard ...
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52 views

Looking for driver on HP Dynamic Smart Array B320i

I owe hp MicroServer ProLiant Gen8 G1610T, I need the driver (any version of ubuntu is good) of the controller B320i because in case of damage of HardDisk, the system asks "Do you wish to start the ...
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25 views

BIOS Not Detecting RAID Array After Adding SSD

My system used to boot to a RAID 0 array of 2 300GB HDDs, then I added an SSD as a secondary drive, and now it doesn't detect the RAID array at all, not in the bios, and on boot just hangs at a blank ...
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55 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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405 views

mdadm: Unrecognised md component device

I'm attempting to redo a RAID1 setup on two identical 1 TB drives /dev/sdb and /dev/sdc that has not been successful. I start with: sudo parted /dev/sdb (parted) mklabel gpt (parted) print free ...
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51 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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41 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: ...