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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Compare raid 0, raid 1, raid 5 please [closed]

I have googled many websites, each website compares their performance differently. Can anyone tell me the most accurate comparison results? Thank you
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Ubuntu 22.04 Live did not find my RAID0

I configured RAID0 on my machine with Auros Z390 mainboard: and was able to use it on Windows 10: I am not sure if it is really possible, but at least I thought that I probably copy my old SATA SSD ...
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how do I install ubuntu over broken RAID when ubuntu keeps telling me boot into windows but windows ( ASUS TUF GAMING Laptop)

How do I install ubuntu over a broken RAID setup when ubuntu keeps telling me to boot into windows but windows no longer exists on the machine ( ASUS TUF GAMING Laptop) System Details Report Report ...
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Move Ubuntu 22.04 to hardware hp p410i RAID1 with encrypted volumes on BIOS

I have an old hp n40l microserver with Ubuntu 22.04 on board with quite old BIOS as of 2012. Now my SSD 256GB disk is split to 2 partitions: /boot/efi and /. I've bought hp p410i RAID card, and 3 more ...
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partclone - what am I doing wrong?

I'm writing some backup scripts for my machines. Up until now, I have enjoyed using partclone, but now I've hit a snag. On this machine there's a large MDADM RAID which contains one EXT4 partition. ...
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RAID size problem after 'dd' from old array to new

I've added a new larger RAID 5 array (57TB) to my server and copied the old RAID 5 (20TB) using 'dd'. cat /proc/mdstat Personalities : [raid6] [raid5] [raid4] [linear] [multipath] [raid0] [raid1] [...
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RAID 6 Array Not Showing Full Drive Size with mdadm

I have an adaptec series 7 controller with 6 12TB drives. I used mdadm to create a RAID 6 array. However, when I list the array the drives show 10.7TB each rather than something closer to 12. Anyone ...
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IMSM (Intel Matrix Storage Manager) device is not detected by Linux kernels 6.6.x/6.7.x but works in 5.19.17

In kernels 6.x.x /dev/md/imsm0 does not appear at boot. The only difference I see in dmesg which seems to be relevant: block device autoloading is deprecated and will be removed. Printed in 5.x.x, ...
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Live usb does not recognize SSD: should I use AHCI/NVMe?

I just received a new Dell Latitude E5440 running Windows 11. I'm trying to install Ubuntu but since I'm doing this once every ten years I got a new problem every decade. My problem is Ubuntu, on live ...
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Trying to rebuild a 2 disk RAID0 array, superblock overwritten, but backup superblocks look good

I have two hitachi 1TB hard drives that were 2TB of storage in a D-link DNS323 NAS appliance. The NAS device sat in storage for a couple of years. When I fired it up the D-link NAS reported no array. ...
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Ubuntu Raid Array not working after a motherboard swap

I have been using a raid 5 array as a NAS for past two years that I have created with the help of this guide. But recently I had to swap the motherboard of this system because the previous one stopped ...
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Ubuntu boot stuck at "btrfs loaded crc32c=crc32c-intel zoned=yes fsverity=yes"

I've been stuck on this for 5 days now, so any help would be appreciated> This is a bare metal server on OVH running Ubuntu 22.04. The OS was installed on a RAID1 array using both "system ...
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Cloning ubuntu boot into software RAID 1 array

I have a Ubuntu server whose boot drive exists on an old HDD. I am wanting to clone this boot drive over to a RAID 1 SSD array. I don't know how to go about this correctly, since it will be a software ...
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Is it possible to install disks in raid post installation?

I have just received my new Ubuntu 22.04 workstation from Lenovo. It has 2 1TB disks, that I want to use in RAID 1 for /, and 4 2TB disks that I want to use in RAID 5 for /home. However the machine ...
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Backup system, Raid 10

There is a server on which there is a hardware Raid 10 and 4 physical disks, an Ubuntu Server 20.04 system on which a website is running in Docker, I need to create a full backup of the system and ...
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Mount Ubuntu, creating Raid 1 with the installment configuration

install Ubuntu using Raid 1 configuration with two disk. In doing so, two partitions were created in each disk, that of the RAID and the EFI starter. If I lose an disk, the other is operational. How ...
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Clean install on boot disk without destroying raid array

I have a system with 5 HDD drives. Four of them are set up in RAID5 with software RAID. The 5th is the boot disk running the Ubuntu OS. I want to replace the OS on the boot disk without losing the ...
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How can I maintain EFI partitions on a RAID1 when running updates or replacing a failed RAID1 drive?

I installed Ubuntu Server 22.03 on a system with 3 identical hard drives. During the disk setup process, I created 500M fat32 partitions on each of my hard drives and configured the rest of the disk ...
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Install Ubuntu 22.04 Server with RAID 1 and LVM on machine with UEFI BIOS?

I followed the instructions here - Install Ubuntu 20.04 desktop with RAID 1 and LVM on machine with UEFI BIOS but used the Ubuntu Server Installer to configure the partition layout and added an extra ...
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set up RAID 1 on 2 data hard disks in Ubuntu Server 22.04, but it's not functioning properly

I'm currently using Ubuntu Server 22.04 with three hard disks - one for the installed OS and two for data storage. I've attempted to set up RAID 1 between the two data hard disks, but I'm encountering ...
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Improving performance on mdadm RAID5 reshape

I am currently a few days in to what appears to be 13 day reshape of a RAID5 array which consists of 6x12TB SATA NAS drives running on a 12-core server with 64GB of RAM. I've been reading some posts ...
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Ubuntu LTS boot issue

I had to move and my server was powered off for a while. When I turned it on I had a warning that my CMOS battery died. When trying to boot into Ubuntu I am booting into emergency mode. I've tried ...
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RAID 1 system migrating using mdadm without loosing data from HDD

I'd like to migrate from one system with RAID 1 (array of 2 discs 3TB) to Ubuntu Server and create an array using mdadm. How can I do it and preserve data on those discs without formatting? Both ...
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Subiquity keeps crashing when attempting to install Ubuntu 22.04 on Dell PowerEdge R320

I have an old Dell PowerEdge R320 that I am trying to install Ubuntu 22.04 on. I do realize, that this is rather old hardware and bound to create problems with newer software. When I start booting ...
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HP Pavilion 15 Notebook won't install UBUNTU

I have been trying to install the latest Ubuntu on my hp pavilion 15 notebook and it will not let it install. I keep getting the error message about turning off RST and I have tried literally ...
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How to manage raid devices doing automated checks?

I've got a RAID6 set up, and every now and then it does a check, and during that check, it seems I cannot write to the entire array. Details: Personalities : [raid6] [raid5] [raid4] [linear] [...
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will two SSD work as a RAID1 bootable device (enable Intel RST) installing ubuntu only

I have two SSD, which I want to make a RAID1 and install ubuntu on it. Unfortunately I dont have a hardware RAID, instead I found an alternative way: Fake RAID. Using motherboard ASUS-WS C621E SAGE ...
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Upgrade from 18.04 to 20.04 with raid1 lvm boot error waiting for device /dev/md1

I upgraded my ubuntu server form 18.04 to 20.04 and now I get the following error during boot: [ TIME ] Timed out waiting for device /dev/md1 [DEPEND] Dependency failed for mnt/md1 I setup raid1 on ...
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Help setting up hardware RAID10 on Ubuntu 22.04.3 LTS

We are trying to setup a RAID10 on an Ubuntu workstation. We acquired 4X16T Seagate NAS HDDs and set this up on an Asus PRIME Z690-P D4 motherboard. This motherboard has the following RAID controller: ...
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Ubuntu Server 22 vs Marvell 88se9172

I'm trying to run the Ubuntu Server 22 install on a system with a Marvell 88se9172 RAID controller. But the installer does not detect either the array or the individual disks. The array is up and ...
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Ubuntu Server 22.04,3 not detecting Dell Perc H310 Mirror

U have a Dell T430 server with a PERC H310 installed. It has 2 x Samsung Evo 870's installed and setup in a Raid1 config. The Problem is, Ubuntu Server 22.04,3 doesnt see the controller or raid1. ...
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Grub on RAID1 - no such cyptodisk found

My friend has a motherboard with a dual NVMe SSD slot configured in software RAID1 using mdadm. We have installed Ubuntu Studio successfully in the past. Working past configuration: lsblk NAME ...
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Zpool FAULTED and replacing disks

So this is probably a noob thing so apologies up front. I have a raid6 pool of 5 disks, I had another 3 disks so I threw them in and added them, when the pool didn't increase in size I read up on it ...
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How to Setup Software RAID 1 with FDE & Different Size HDDs

My boot drive is using 22.04. Here's what I want to accomplish: I have two HDDs, one with 6TB and the other with 8TB capacity. They'll be storage drives, not boot drives. I want to create a software ...
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Rcraid-dkms compilation error in apt install

I`m trying install rcraid-dkms in my Ubuntu 22.04.3 system new installation. When I make a sudo apt install rcraid-dkms , the process results in a compilation error because It can not find any .h ...
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Intel RST on ubuntu 23.04 for NVME Raid1 - array is not assembled / started

I have 4x nvme drives installed on Z690 motherboard: 1tb nvme with fresh install of windows 11 Pro 1tb nvme with fresh install of Ubuntu 23.04 Desktop 2x 2tb nvme for Raid1 array created in BIOS ...
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Setting up RAID during 22.04 installation

I have an Old Intel based Mac Pro with 4*4 TB hard drives. I am repurposing this machine to become an internal home file server running Ubuntu 22.04 Server. I couldn't find an option to setup a RAID ...
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Fresh install on Ubuntu 22.04 LTS on RAID 0 using LVM not booting

Just created 2 HDD drives 1TB RAID 0 array with bios after starting installation from USB stick everythings works just fine on partitioning page selected LVM with no encryption and LVM gives me report ...
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22.04.3-desktop-amd64 (LTS) install hangs, need help

I'm desperate. Tried many things, on my own and as I found online, with no success. (Almost) every time I get to the screen that shows the "splash slides" and a spinning mouse cursor but, ...
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Serious issues with speed in 22.04.3

I have read many posts and tried a few basic things to resolve this issue, but before I take more ambitious actions, I thought I would seek help. I am running 22.04.3; I like to stick with LTS ...
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How do I get my RAID array back and mounted after reboot

I had created a raid-1 array for two drives (sde and sdf) using the normal mdadm process and had created it under md1 and mounted it to /mnt/storage. After a reboot md1 no longer exists. My /mnt/plex ...
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How do I fix linux partitioning for disks without reinstalling system?

I have a server where I have 2 x 1 TB of disks of storage. It seems that I did not configure them well on the start and now I have installed my applications and afraid that I need to reinstall ...
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Re: How to fix 'Structure Needs Cleaning' Error when the structure is on a RAID

I have seen the suggestion for fixing 'Structure Needs Cleaning' on a Linux drive. But those instructing to use fsck do not mention any special considerations for dealing with the situation when the &...
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mdadm RAID10 device ordering not sequential

After a power outage one of the drives in my two RAID10s stopped working and put the arrays into 'degraded' state. The drive had two partitions, one which I think was for a swap raid and the other was ...
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Missing space on raid drive

I have raid drive in Ubuntu 22.04 created from 4 drives in raid-0. It is formatted with ext4 and mounted to /mnt/md1. When I do df -h is see that drive in output, but it shows also, that 692 GB out of ...
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Ubuntu Install blocked by graphics card

I am trying to install Ubuntu on an HP Envy desktop PC. The PC has an Rtx 3060ti graphics card, which blocks the installation process. There are some solutions posted in articles that I have tried, ...
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How do I create a mount point on the RAID1 that is persistent or always there, then prove it?

Repurposing an old server to be a backup repository. Name of box is backup. Ubuntu ver 20.04, command line only. How do I make sure the files I copy to it from other servers using XCOPY or SCOPY are ...
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Dual Boot Issues Arising from BIOS SATA Operation Change and SSD Addition

Initially, I had a dual boot configuration of Windows and Ubuntu on my Dell machine. Upon installing an additional SSD, the SSD was not detected in Ubuntu, although it functioned properly in Windows. ...
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md RAID spare disk partition has another partition?

I recently had a drive fail in my RAID 5 array with 3 disks and 1 spare. The spare was used automatically. All seems to be working OK. I then added a new disk as the new spare like this, where sdb was ...
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What does "Add As Another Boot Drive" do?

When installing Ubuntu 22.04.3 server, I can select a drive as boot drive which then Ubuntu installer will create a 1GB boot partition on it and then I can select another drive as "Add As Another ...
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