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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Read/Write issues, SATA PCI-E Addon [closed]

I'm rather new to Ubuntu/Linux, and it's been an education experience so far. However I've been struggling with an issue I've been unable to overcome. I'm getting an issue that causes ...
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51 views

Restore RAID Drive on New OS

I had a problem with my Debian operating system on my SSD and have removed it (Debian) to install Ubuntu server. Originally, on my Debian operating system, I had installed mdadm and had a spanned ...
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Let LVM+LUKS volume grow over new drive or RAID?

I would like to extend the storage capacity on my Ubuntu server by adding more drives. I'm currently using LVM+LUKS on my server so I'm having some difficulty understanding how I may add my new ...
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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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Troubles with creating RAID1 array on VM Ubuntu 15.04

I'm trying to create RAID 1 - array on VM Ubuntu 15.04 with two disks: sda and sdb. First disk already had partition table, so i created sections for the second disk using fdisk /dev/sdb: Then i ...
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Can I manage ZFS with Landscape and MAAS?

I have 5 different servers. I am very interested in installing ZFS across all of them. I also am interested in using JuJu, MAAS, and Landscape to automate the installation of ZFS, and the management ...
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42 views

Restoring Ubuntu 14.04 onto a new hard-drive when the old system was raid 1. Should I expect problems?

My current system is running software RAID 1 and I have made a backup of this system with the intention of restoring it onto a new hard-drive. For my new hard-drive I do NOT want RAID. Will there be ...
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73 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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128 views

remove mdadm raid1 without loosing data

I have 2 hdd's in raid1 using mdadm. Now i want to completely disable raid but i want to keep data on disk 1, and use disk 2 separately Is there a way to do this. Ill be honest, i know what raid ...
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42 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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234 views

How do I convert a RAID 4 array to RAID 0?

I had a three-disk RAID 0 array and ran the following to add a fourth disk: mdadm --manage /dev/md127 --add /dev/xvdi Each disk is a 1TB EC2 volume. The array took about 40 hours to reshape. About ...
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How do you get a raid with 4 terabytes to give you the full disk amount in ubuntu server

I am running Ubuntu server 14. I have two 2 Terabyte Seagate drives raided to make a 4 terabytes. However when I mount the logical drive and run sudo lshw -c disk it shows as having 3999 GB of room. ...
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42 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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143 views

Installing alongside windows on raid 0

I currently have Windows 10 on 2x150gb raid 0 configuration (plus 2x1,5tb hdds with data, not raid) and want to install the latest ubuntu from dvd. If I choose the first option (to install alongside ...
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280 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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476 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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47 views

Do I have to name partitions?

When installing Ubuntu Server 14.04, am I required to name all my partitions or can I leave the "name:" field blank without running into any problems/confusion now/later? I'm pretty new to the Ubuntu ...
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61 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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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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157 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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71 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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174 views

mdadm - Obsolete Array and current Array have same UUID. Current array won't assemble on boot

It's rare I ask questions, but Google has turned up a blank on this one, so here I am. I have a problem with my mdadm software Raid running on Ubuntu 14.04 Server edition. Specifically, I seem to ...
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139 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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107 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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63 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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249 views

Fixing a broken RAID5 using mdmadm on Ubuntu 12.04 [QNAP device]

One of our QNAP NAS had gone down while alerting on disk thus they were all working/accessible on the array. And I'm trying to recover the DATA as the QNAP NAS neither boots nor responds with/without ...
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104 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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72 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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34 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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92 views

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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138 views

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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90 views

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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77 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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263 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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80 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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279 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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767 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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87 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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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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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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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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109 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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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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460 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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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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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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145 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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103 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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41 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 ...