Questions tagged [raid]

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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sdb & sdc are raid 1 (4tb fakeraid) but I cannot move to raid1 directory files larger than sda size

I have Linux (Ubuntu) installed on sda (640GB) and I have two HDD (sdb & sdc) (4TB each) working as RAID 1 using mdadm package. The problem is I cannot move to RAID 1 directory files larger than ...
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Getting attempt to read or write outside of disk “hd0” after install

After installing 20.04 I keep getting the error message attempt to read or write outside of disk "hd0" Entering rescue mode... I have done a lot of reading on this and have tried all of the given ...
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Rebuild RST Fake RAID 5 on Ubuntu Windows dual boot

I installed Ubuntu 18.04 as a second OS on a computer which had Windows 7 already installed. The computer had an Intel RST FakeRAID level 5. After a good deal of messing around, I finally followed the ...
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How to install Ubuntu on an encrypted, error-correcting RAID 1 device with dm-crypt?

I would like to install Ubuntu on a two-disk RAID 1 with dm-integrity and LUKS2-encryption. Unfortunately, neither Ubiquity, nor the alternative textmode-installer offer such a solution. Although ...
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How does driver and application version compatibility work in Linux?

If a hardware driver or application publisher states that their softwate works on Ubuntu 16.04, will it also work on 20.04? Does it mean that you have to have AT LEAST 16.04 to use it? Or is it just ...
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How to fix swap file device timed out in LVM setup?

Fresh install of 20.04 boots normally, but I see this in syslog at every boot. It looks like no swap file is being allocated. How can I fix this? systemd-fsckd.service: Succeeded. dev-mapper-...
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Move many large media files from Windows 10 laptop to Ubuntu Server 20.04?

I'm completely new to Linux. I built a new computer today to store all my large media files. I now want to move all these media files from my Windows 10 laptop to my new Ubuntu computer. I also want ...
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Rreconnecting a raid 10 drive md0 after upgrading from Ubuntu 16.04 to 20.04

I just upgraded from Ubuntu 16.04 to 20.04. In my computer I have 4 X 1TB HHD in a raid 10 array. They are sda, sdb, sdc, and sdd = md0 This raided drive contains my home directory, which in my case ...
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Reassemble Intel RST RAID on another mainboard

I Solved it The solution is in my own answer (se my next post). This post only describes my original problem and what I've tried. The may be some pointers in it for you though... or not. I Solved ...
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Using Ubuntu 20.04 with zfs, new install, how can I add a second drive to create a mirror (raid 1 ?)

Just installed 20.04 using ZFS on a system containing 2 1T HHDs. the installer creates 2 pools for /boot and for root. Unfortunately, the installer doesn't seem to know about raid or zraid. So how can ...
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Wrong recreating Raid 5 using mdadm --create instead of mdadm --assemble

On upgrading my Ubuntu machine from 18.04 to 20.04 I decided to install an SSD and reinstall Ubuntu from the scratch. Everything worked fine but … On recreating the Raid 5 mdadm --assemble --scan did ...
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RAID not working on HP Pavilion m7690y

I have an elderly HP Pavilion m7690y running 32 bit Ubuntu 16.04 which stopped booting. There are 2 300 GB SATA hard drives set up as a RAID0. While there is little of importance on the system, I ...
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Failed upgrade from 18.04 LTS to 20.04 LTS on RAID configured system, worked in installer, not in do-release-upgrade

I was trying to upgrade from 18.04 LTS with kernel 4.15.0-96 to 20.04 LTS with kernel 5.4.0-26. (I also tested a lower kernel: 5.3.0-42, which didn't work); This system is using EFI to boot. Here's ...
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Ubuntu Bionic Beaver Installation

We are installing Ubuntu Bionic Beaver on a Cisco Unified Computing System (UCS), c240 M5 Series. We have a total of 2 different servers. One UCS has 2 SSD's with RAID 1 and the 2nd UCS has an SSD ...
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Can't install ubuntu on evo 960 nvme

I have an MSI GT73VR. I have win 10 installed on a 1tb nvme. There is a second identical ssd that I want to put ubuntu on. When I boot from USB to install, it says that I have to disable rst and will ...
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mdadm raid 1 /md0 disappered after system reboot

at this point i am all out of hope and ideas. I installed qemu and kvm and the gui. then i reboot my system to find my drive names had changed. /sdb and /sdc are now /sdi and /sdh My /md0 is just ...
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How to move available space from / (root) to /home? (Ubuntu server 18:04 LTS)

I just got a new ubuntu 18.04 server with two hard drives of 4TB each, with RAID. Ubuntu was set up automatically on it. Looking at it now, I see this: root@host ~ # lsblk NAME MAJ:MIN RM SIZE RO ...
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Why does the 20.04 installer think that a plain linux raid is made up of 2 x /dev/sdb2 partitions?

I've been trying to figure out this one for a few evenings now. I downloaded the 20.04 server installer, and tried to install it on a linux raid which I configured in the installer. This consistently ...
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Install Ubuntu 20.04 Focal Fossa with RAID 1 on two devices

I would like to install Ubuntu 20.04 Focal Fossa on a machine with two hard disks using RAID 1. Unfortunately it seems this doesn't work. If I use the "Create Software RAID (md)" option and select ...
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Workaround to Install Ubuntu 20.04 with Intel RST systems

I tried to install Ubuntu 20.04 in my Dell G5 which has 2 drives. One with Windows 10 on it (256 GB) and another one with 1 TB capacity. I shrunk the volume of 1 TB by 150 GB and tried to install ...
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How can I get Ubuntu to recognise a windows software RAID 0 volume?

I am currently a Windows 10 user but I've become interested in using Ubuntu for a little while now. I have managed to install Ubuntu temporarily on a non-RAID partition on another drive while I find a ...
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lvm raid5 used only 3 of the 4 drives in my vg

I'm trying to build a (test) raid5 on my raspberry pi with 4 usb drives using lvm2. It is running ubuntu server 20.04, 32bit arm. Despite putting all 4 drives in the same vg, and then using that vg ...
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Install Ubuntu on a RAID from Live CD?

I'm thinking about setting up Ubuntu 20.04 in a new environment where 2 NVMe SSDs are installed. Is it possible to use them in a RAID1? Maybe even with ZFS? I thought about creating the RAID1 in a ...
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Asus Vivobook X512 SSD (new)

This laptop has a 512GB SSD drive (using memory sticks); the laptop works perfectly with Ubuntu 18.4 from a live usb drive; the goal was to dual boot though Ubuntu only would be fine as well ...
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Ubuntu doesn´t recognize any of my disks

Recently I have tried to setup RAID via hardware (B350 MSi motherboard for AMD) and tried to install Windows 10. After installing the drivers has no problem with my disk on Windows, but trying to ...
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Need help editing my RAID configuration with a cloud hosting service

I host with OVH and I have 2 SSD and 4 2 TB hard drives. I got the server months ago and have data on it. I need help editing my RAID configuration. A few hours ago I learned that the ovh raid ...
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Ubuntu Server Installation and RAID configuration

I purchased some components for building a NAS, on which I would like to install Ubuntu Server. My configuration is: 2 6TB HDDs and 1 500GB HDD. My question is: is How can I install the operating ...
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Ubuntu server 18 installer can't mount raid6 at /

I'm trying to install server 18.04.4 on my machine with existing raid1 (for /boot) and raid6 (for /) devices set up. I set the partitioner to format the raid1 ext4, and it seems fine. I set it to ...
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mount raid gpt partition

I have a raid system of 2tb that work on windows and I want to read on linux s.o. After I have recognized and initialized fake raid with command sudo dmraid -ay this is result of command sudo ...
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Connect and access external hard disk belonging to RAID 1 device

I’m new in the Ubuntu community and I want to ask for help. I used my RAIDSONIC IcyBox IB-NAS4220-B as RAID 1 (mirrored disk) on my windows PCs with two mirrored Hitachi Deskstar P7K500, 7200rpm, ...
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Trouble after upgrade 16.04 -> 18.04 - device mapper?

After upgrade my ubuntu 16.04 to 18.04, I have trouble : server no more boot. I have use "do-release-upgrade" , no particular warning during upgrade process. On this server, my partition home is ...
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Need to know whether my drive will be wiped (or any other complications) during dual boot

i have been trying to dual boot my Dell G5 15 5587 laptop with ubuntu. it has 256GB of SSD and 1TB of HDD. I have made a live USB . However when trying to install, ubuntu did not detect windows, then ...
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Repairing corrupt GPT table for hardware RAID

Following a system reboot on my Odroid XU4 I've unfortunately lost the ability to mount my hardware RAID 0 array. I'm at a bit of a loss about how to troubleshoot (and hopefully fix) the issue. The ...
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Ubuntu keeps booting to the GRUB shell after installer finishes

I'm trying to setup a Ubuntu 19.10 server using software RAID-5. I have a small NVMe drive and six 12TB NAS drives. The six NAS drives are connected to a SATA HBA because my mobo doesn't have enough ...
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Btrfs reports “ERROR: minimum size for each btrfs device is 131072000”, but my drives are much larger

I have x2 2TB drives that I want to make a single Raid0 logical drive. The error I'm getting doesn't make any sense. Can someone explain what I'm missing here? I use lsblk -o name,mountpoint,size,...
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Ubuntu Server 18.04 LTS - Intel Rapid Storage Raid 1 Mirror Not Recognized during clean install

I've got a ASUS ROC motherboard that has an Intel Rapid Storage SATA Raid setup where I have two SATA drives in a Mirrored array. I've been able to boot an Ubuntu 18.04 server image and during the ...
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mdadm: error opening /dev/md0: No such file or directory

in the title is what I get when running: sudo mdadm --run /dev/md0 I build and configured a RAID 1 on Ubuntu 19.10 using mdadm not too long ago. Now it stop working. What do I need to do to get it ...
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Source disk unmounts during rysnc to destination filesystem

My rsync command fails soon after initaition. Only the first few files transfer successfully. Task: copy my media files from 1 of 3 single drives to a new RAID6 filesystem for long term storage. ...
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LXD pool on a 2 mirrored HDDs - How?

I have a 19.10 server running on SSD. I have 2 WD 1TB HDDs, which I want to get mirrored and to create 1 partition there, where I'll put LXD pool with multiple containers. Should I create mirror with ...
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How to recover software raid 3 HDs using a live UBUNTU distro

I had an old server running OpenSUSE 10.3 configured as a software RAID3 system. Due to an electrical shock, the power supplier died. After the power supplier replacement, I discovered the system was ...
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18.04 Server: Set up RAID-1 on Lenovo ThinkSystem ST50 with Onboard Hardware Controller

I purchased a Lenovo ThinkSystem ST50 and was hoping to install Ubuntu Server 18.04 LTS on the built in hardware raid. I have successfully created the raid 1 array in the Intel controller and when ...
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Highpoint web in band manager issues and suggestions

Got an old "server" that I have used for plex, ftp and some dedicated servers for gaming. I have always used windows, but now Microsoft has stopped support/updates for windows 7. So I wanted to try ...
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Cannot modify partition because of RAID

I'm installing 18.04 on a new machine and need to modify the partitioning of devices on which I installed software RAID. Per Want to Remove Software RAID (closed as solved) I have done this: mdadm --...
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Ubuntu Server 19.10 Raid 0 doesn't boot

I wanted to setup a RAID0 system and when installing Ubuntu i did the following partitions: SSD - I selected make bootable and created the /boot partition with about 25G After that I create the ...
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Moving from LVM Raid level one to a better LVM Raid level without losing data

I see that in the suggested similar questions, most of the users specify that they don't want to lose any data. I guess this is really a given. I asked this question originally on the Launchpad Ubuntu ...
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Is there any data transfer limit for Ubuntu?

I have developed a web application with Java which is deployed to tomcat and uses mysql as database. These softwares run on either in my developer computer which is Ubuntu 18.04 or in a server which ...
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ata1: failed to read log page 10h (errno=-5). Is it a hardrive failure? If yes is it repairable( physical or using software)?

So,i was trying to copy a huge load of data of my external hdd to my laptop's internal hdd using debian based distro. Suddenly my screen went all black. I waited for some time, pressed random keys(esc,...
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raid 1 array degraded after reboot for no obvious reason

I use a bcache setup with a software raid 1 as backing device. root@kkb:~# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT loop0 7:0 0 91,3M 1 loop /snap/core/8592 loop1 ...
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How to install Ubuntu on a m.2 raid (aka. fakeraid) alongside Windows10

I am not new to Linux, but have had a rather on-off relationship with it. Currently, the computer is running an UEFI m.2 intel RST raid with windows 10. It should become a dual boot system, however ...
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Installing Ubuntu on a new Dell Inspiron 14-5000 laptop with RAID-0

The laptop is https://www.dell.com/en-us/shop/dell-laptops/new-inspiron-14-5000-laptop/spd/inspiron-14-5493-laptop The problem is very similar to the one reported here: Install Ubuntu on Dell ...

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