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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Installing Linux on Hardware Raid 0

I have an msi gs70 stealth pro, with two ssd's configured in hardware raid 0 as well as a hdd. I've always installed linux (dual boot with windows) on the hdd, to avoid raid complications, but after ...
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Ubuntu Raid 1 boot

I installed ubuntu with raid1 using two SSD:s, using this tutorial. The ubuntu start fine when both SSD:s are connected, but if I remove either one of them I get to boot to busybox. boot fail pic ...
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Is having the 'swap' partition at the 'beginning' better than at the 'end'?

I recently installed Ubuntu 11.04 onto a RAID0(stripe) device using the alternate installation disc and manually partitioned the HDs ext4 and swap partitions; during this process, I was reading in a ...
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Raid 1 and Ubuntu Desktop 16.04

I installed Ubuntu Desktop 16.04. I have two SSDs to enable RAID1 on. I used this procedure: How to install Ubuntu 14.04 64-bit with a dual-boot RAID 1 partition on an UEFI/GPT system? The ...
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How to enable degraded RAID1 boot in 16.04LTS?

In previous ubuntu versions, adding BOOT_DEGRADED=true to /etc/initramfs-tools/conf.d/mdadm allowed the system to automatically boot when the root filesystem is on a degraded array. This no longer ...
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kworker using all my IOs, Postgres slow

I have 2 SSDs set up in RAID 0 configuration with a single volume on them that I've been using without problems for 3 months straight to run a PostgreSQL database. Suddenly, today, the DB got really ...
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Driver hp raid controller b120i

I have a problem with a installation of ubuntu 12.04 server on HP SL4540 with raid controller b120i. Ubuntu during installation does not recognize the raid controller, and displays the disk separately....
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How do you install Ubuntu on an Intel RST Raid?

I am attempting to install Ubuntu 16.04 to dual boot with Windows 10 on my new PC. I am using an MSI Z170A motherboard and two 512GB M.2 drives. My goal is to RAID0 both drives, and split the single ...
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Problem installing Ubuntu Studio to a GT80S Titan with 950 Pros in RAID 0

I used Rufus to write a bootable USB Drive. Rufus configuration: As for "Partition scheme and target system types": I both tried "I tried both the MBR partition scheme for BIOS or UEFI" and "GPT ...
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Strange output of btrfs fi df after converting from RAID0 to RAID1

I just converted my 3 disk btrfs filesystem from RAID0 to RAID1 and balanced it. At first the data was all in the RAID0 filesystem, so running btrfs filesystem df showed something like this: (XX are ...
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Is Ubuntu 16.04 supported by HP360 gen8 Using RAID

I am having a problem. I am trying to install ubuntu 16.04 server on HP DL360 Gen8 using RAID, the problem is that after I finish installing it does not boot to the O.S. Looks like HPDL360 GEN8 does ...
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which one to use configure RAID0,RAID1,RAID5 OR RAID10

I am new to set up RAID and I need some guidance,my server is HPDL360 GEN8 and It has 4 500gb,now what RAID should I use or to configure ? Thank you in advance.
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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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How to tell if I successfully use RAID

I configured RAID on our server and I installed Ubuntu 16.04. I want to know if I successfully use the RAID setup . How do I check this on our server ? This is result of lsblk Name Maj:min RM ...
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grub-probe error unknown filesystem after failed release upgrade, LVM RAID5 resize

I've got a software LVM RAID5 setup, across 4 physical hard drives: /dev/vg1/lv0 contains /boot /dev/vg1/lv1 contains / A do-release-upgrade from 14.04 to 16.04 failed due to /boot partition being ...
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164 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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ALERT ! UUID- does not exist. Dropping to a shell [duplicate]

I have got problem in Ubuntu 16.04. My system has 2 drives with RAID 1. I tried all that I found but didn't work. I matched the /etc/fstab and /boot/grub/menu.lst file with both /dev/md126 also ...
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How to install software raid 0 on ubuntu 12.04 server with mdadm?

I need to install a software raid-0 array on a Ubuntu 12.04 server with mdadm through commandline (SSH). The drive setup is as follows: SDA = OS SSD SDB = HDD for raid 0 SDC = HDD for raid 0
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Yellow Machine Network RAID Ubuntu Installation

I need help with installing Ubuntu 16.04 onto my Yellow Machine Network RAID. The RAID comes with 4 hard drives and I want to put Ubuntu onto one of the drives. Whenever I run the installer disk, it ...
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56 views

Filesystem/RAID configuration to stripe/mirror three hard drives

I have 3 HDDs in my workstation: 1.5 TB (drive "A") 2TB (drive "B") 4TB (drive "C") I am doing a fresh install of 16.04. I would like to find a filesystem/RAID configuration that allows me to ...
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233 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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Where do I stand with btrfs?

First off, I understand btrfs is experimental and I should still have valid backups of all my data etc etc. No problems. I have setup a btrfs RAID5 array across 4x 3TB drives; Overall: Device ...
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Ubuntu Server 16.04 SW RAID1 LVM - broken RAID unable to boot

I have an old notebook hp nx9020. I want to use RAID1 so I have PCMCIA card - SATA controller and SATA drive on it. I am using this configuration for years (maybe 8 years) on Debian, later on Ubuntu ...
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68 views

ZFS with L2ARC use and reliability

I am planning/building an ubuntu server 15.10 which will primarily be used for a NAS. I opted for Ubuntu Server over the likes of FreeNas as in the future I'll be able to use other features and ...
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Does the native RAID in Ubuntu support RAID configurations with hard drives of different sizes?

have 8 hard drives of different sizes that I want in a RAID 5 or 6 configuration, the OS is Ubuntu 12.04 desktop. Does the native RAID in Ubuntu support RAID configurations with hard drives of ...
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how to clone Ubuntu with multiple disk with RAID 1 configuration to a new system with almost same hardware

I'm wondering if it's possible to clone a pre-configured Ubuntu 14.04 LTS system to a new system with almost the same hardware. I had some experience cloning a single drive setup but not multiple ...
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How does 16.04 mount my newly-mdadm-created RAID? (It's not in /etc/fstab)

I've created a RAID device using mdadm. It's /dev/md0 and I've successfully formatted and mounted it at /media/raid. I created an /etc/fstab entry for /dev/md0, but md0 is gone when I reboot. Upon ...
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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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676 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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Remove cable one disk (test one disk error) on Ubuntu Server RAID1

I setup Ubuntu Server follow https://help.ubuntu.com/community/Installation/SoftwareRAID Everything good work, but I want to check remove one disk (test one disk error). After I remove cable disk 1 or ...
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How to migrate to ssd in RAID 1 system

What are the steps to migrate a Ubuntu 12.04 system from HDD to SSD. the system has two HDD's running in sofware-based RAID 1 mode.
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Create dualboot with existing Windows raid array by adding SSD

I currently have a 3-disk RAID 0 array with Windows 10 installed. The array is a hardware array via my MSI motherboard. I would like to add a new blank SSD drive with K/Ubuntu on it, and have that ...
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44 views

Making RAID on a working system

I'm running on Ubuntu 16.04 Desktop and I have two SSD disks and two 1TB Sata HDDs. I want to make RAID to SSDs each other and 1TB HDDs each other. I searched a lot and tried many things, but I think ...
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How do I mount a RAID in Ubuntu?

First, I'm a total newbie to this platform and only have a very basic knowledge of command line input in Terminal... Long story short, I have a five disk LaCie RAID box (RAID 5) that seems to have ...
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Installing Ubuntu 14.04.1 LTS with hardware RAID

I have been having some issues with trying to install Ubuntu off of a live usb. The system has a Intel hardware RAID controller and I wish to run my two HDDs in RAID 1. I have come across and issue ...
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Transmission not working on UUID disk and proper permissions

I cannot get any downloads finished, when it gets about 5mb downloaded, i get the Permission Denied error transmission is running on debian-transmission This answer does NOT work for me Also, the ...
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Can't Install Ubuntu 16.04 NVME Driver

I can't seem to install Ubuntu on my yoga 900. The device has a 512 gb NVME Samsung hard drive in it. This drive is seen by the BIOS but not by the Ubuntu installer. There is no option to change the ...
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Error unknown command hwmatch

I'm getting "unknown command hwmatch" message on each boot after I installed Ubuntu 16.04 following this steps: https://gist.github.com/umpirsky/6ee1f870e759815333c8 in order to setup RAID0. Special ...
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Kubuntu 16.04 <-> 15.10 Inconsistent and slow wirless network transfer speeds

I have a file server running Kubuntu 15.10 and a client running 16.04. In truth, this issue existed prior to the 16.04 upgrade. When moving files, say a 500MB folder of MP3s, the transfer rate gets ...
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Security of JBOD vs RAID while there is no backup

I have some large amount of data (~40 TB) consisting of small files. The data is currently stored on JBOD. Because the data is not super important and I cannot afford the needed disks there is no ...
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Install Linux on SSD and have HDD RAID5

I'm trying to find a solution, but it seems that no one has specifically had my problem. I'm trying to install Linux on an SSD and attach a RAID5 setup so that I have a secure home networked server. ...
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Installing Ubuntu Server on Raid 1: FakeRAID

I am installing Ubuntu Server 14.04.2 - amd64 in RAID 1 on my system with the following specs. SPECIFICATIONS: ASUS H97M-E 4GB 1600MHz RAM i3-4160 2 x 3TB Toshiba However, I failed ...
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How to backup the full system at runtime once a day

I would like to backup my 'server' running Ubuntu 14.04 every day at around 04:00. It needs to suspend after the backup has completed (I've got my script for this, but the software needs to have a '...
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grub2 can't configure after failed upgrade on raid

I tried to upgrade ubuntu with standard apt-get upgrade and ran into similar problems to what is described here: https://www.webhostingtalk.com/showthread.php?t=1315016 grub went through a ...
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hard disk not mounting

it shows error like Error mounting /dev/sdb1 at /media/mrityunjay/LENOVO_USB_HDD: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sdb1" ...
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Power Failure on Software RAID 10: is automatic resync enough?

I had a power failure on a server (Ubuntu 12.04.3 LTS ) with a raid 10 array. When I restored the power, in dmesg there was the message: md/raid1:md1: not clean -- starting background reconstruction ...
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How to upgrade drives in mdadm RAID?

Server that runs mdadm RAID1 2x 1TB HDD needs to be upgraded to 2x 4TB. After I want to configure mdadm monitor to send me e-mail if anything happens to RAID. What is the safest way to do this and ...
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202 views

Unable to Partition Software RAID 0 array with 16.04 Server + Z170 Skylake, ACPI Exception in log

I'm trying to do a clean install of 16.04 on some new hardware, and I'm unable to partition/install onto a RAID 0 array. Motherboard: AsRock Z170 Fatal1ty ITX/ac (SATA devices set to AHCI, also tried ...
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Failed to load COM32 file menu.c32 - existing install

I've been trying to get one of our servers online since Friday. This server became unresponsive Friday and after running diagnostics on it (DL380 G9), I found nothing wrong with it. This server was ...
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md, mix disks and partitions in an array

My question is really how to mix in a 4 TB disk in my array consisting of 3 TB disks, which was partially answered here: Can I create a hybrid software-RAID array with disks of different sizes? ...