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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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Ubuntu 18.04 server advanced installation: need to manually create boot partition?

I am trying to install Ubuntu Server 18.04 on a pair of 128GB SSDs in RAID1. I followed the "advanced installation" instructions on the Ubuntu help site: https://help.ubuntu.com/lts/serverguide/...
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Recent instructions for mdadm RAID-1 and LUKS setup on UEFI systems

I have been trying to find a recent document on installing Ubuntu (18.04 preferred) using mdadm RAID-1 mirrors and LUKS underneath mdadm. The main point of using LUKS under the mdadm layer is that ...
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Mounting existing AMD motherboard RAID array

I might just be missing something obvious, but I can't figure this out. I have an existing AMD RAID array with my AM4 b350 motherboard. I'm installing Kubuntu but I don't want it installed on the RAID ...
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problems about installing Ubuntu 18.04.1 LTS [on hold]

Hello I have a problem with the installation of Ubuntu 18.04.1 LTS, it finds that happened to the party "upgrade and other software" the cursor turns to infinity, and the installation can not continue)...
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Speed of software RAID 0 with 4 SSD drives is strange

Situation: I have a server working on Ubuntu Server 16.04. I created software RAID 0 array that contains 4 SSD disks. When I checked the speed of the RAID array on my server I was confused. I was ...
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Mount external HD from NAS

I had a Western Digital HD running RAID 1 (mirroring). One drive failed, the second is good. I'm trying to mount the good drive using a bay connected to my Mac with a Linux VM. I don't have a Linux ...
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btrfs problems Ubuntu Server 18.04.1 - can't mount

I have had a 5 disk btrfs raid 5 running for couple of months now, it has been behaving perfect. Yesterday I could reach the storage raid. So I ssh'd in to the machine and: Started to look at the ...
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Unable to install GRUB in /dev/sda while installing Ubuntu Server 18.04

I'm trying to install Ubuntu Server 18.04 from USB on an old computer. I have two 4TB drives I want to run in RAID 1, I also have two other drives running win 7. The motherboard is Gigabyte GA-X48-...
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Setting up an extendable software raid 0 in Ubuntu [closed]

I have 8 drives, 4 of which are empty, the other 4 full. If i was to make the 4 empty drives a raid 0, then copy the content of the other drives to this new raid. Can i then extend that array set by ...
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BCache + MDADM running extremely slow

I have 3x 14TB toshiba drives MDAdmin (/dev/md0) raid 5'd together that are setup as a bcache back. I have a 256GB fast SSD as the front of the bache. writeback is enabled. After a few days, the ...
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How to convert a RAID disk (/dev/md127) into a standard drive? [on hold]

Good morning, everyone, I have a problem with one of my hard disks in software RAID (with mdadm). It was installed in an old computer that I don't need anymore. Yesterday, I wanted to delete an ...
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Boot a 2-drives mdadm RAID1 server with a physically disconnected drive

Here is the context: a friend and I have a project for which we would like to create a server based on old components. First of all, I spent some time reading what solution would be the best including ...
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Is there any way to install Ubuntu 18.04 on RAID0?

I see tutorials on how to install server with RAID, but not a desktop OS. Why not? What is the best work around?
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How to get my ubuntu shared folders appearing under network in windows 10

My home network is as follows: File Server -> Ubuntu 18.04 Workstation/Gaming Rig -> Windows 10 Dev laptop -> Ubuntu 18.04 I want to make my shared files work easily with both my machines and also ...
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Raid 1 created subpartition automaticallly

I have been making software raid1 with 2 2T hdd. Each hdd has two partition of /dev/sda1(18G),sda2(1.8T) and /dev/sdc1(18G),sdc2(1.8T) I used command mdadm --create /dev/md0 --level=raid1 --raid-...
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How can I recover a raid 5 single disk or entire array?

I have three disks that where part of an array on a debian box that will no longer boot. Im have installed them in a ubuntu 18.04 box and am attempting to mount them but get the error "can't read ...
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Migrating RAID to Ubuntu 18.04

I have a RAID 1 array with two disks, running on Ubuntu 14.04. I am planning on installing Ubuntu 18.04 onto the system partition (sda1), and once the new OS is installed, i need to reassemble or ...
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RAID Drive on Dell Perc H310 RAID controller not recognized

So, I recently bought a Dell Perc H310 RAID controller to put in a Fujitsu Esprimo P700 E85+ Computer running Ubuntu Server 18.04.1 LTS. The Motherboard seems to have no UEFI, just a BIOS. From a ...
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Linux RAID problem

I have been struggling for over 1 week now and really need some help. I have a HP mini server with 4 x 2GB drives in a RAID 5 array, Ubuntu 16.04 which has been running fine for over two years. I ...
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I need to know which raid driver

driver needed for ThinkSystem RAID 530-8i Dense Adapter RUNNING Ubuntu ver Ubuntu 16.04.3 64-bit on a Lenovo ThinkSystem SD530
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Root partition four times larger than I specified

I'm running Ubuntu Server 18.04, with 4x2TB disks in software raid 0. In the web panel OS install page I specified 4 partitions, /boot 500MB, root 15GB, swap 4gb and /home with all the rest. However, ...
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18.04.1, no raid, no sound

I've just installed 18.04.1 in dual boot with Windows 10 on my (old but good) PC: Asus Maximus VI Gene Intel i7-4770 2x8GB DDR3 2400Mhz Gigabyte GTX770 4GB Samsung SSD 500GB 850 EVO 2x WD Black 2TB ...
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looking for a utility that can check/fix an ARRAY (mdadm) that throws an “Invalid Argument” error when attempting to assemble

I have a HDD with a partition that had(has?) a valid ARRAY on it. Before altering the partition size I could assemble this ARRAY (RAID1=clean,degraded) and access the data. I needed to shrink the size ...
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Installing Ubuntu 16.04 on RAID configure disk [duplicate]

i was trying to install ubuntu 16.04 on a disk configured with RAID 1, but the GRUB fails to install. can somebody please help
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Upgrade instructions if using software mirroring from 16.04 LTS to 18.04 LTS

I'm on Ubuntu 16.04.5 LTS ... I think I'd like to jump to 18.04, but I'm not sure what (if anything) I need to do with my mdadm array(s) I have two RAID 10 devices... one is a 35 GB swap (md0) and the ...
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ZFS raidz1 - Where did my storage space go?

I have a raidz1 pool with 3 disks of 12 TB each. Now with single parity, wouldn't that mean I have about 24 TB of total space? $ zfs list -o space -r pool NAME AVAIL USED ...
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Fix damaged GPT on mdadm software RAID array

I have a RAID array setup with two member disks sda and sdb. I am using mdadm along with Intel RSTe (for OS compatibility purposes). I have the following errors. sgdisk -v /dev/md126 Warning! Disk ...
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RAID5 (md0) isn't mounting (Ubuntu server 16.04)

Background: I'm not a total newbie, but Linux is not my thing. Current hardware is an old Atom box running 16.04 (It's just a file server). It has a small system disk and 3 larger disks running in ...
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Install Ubuntu 18.04 desktop with RAID 1 and LVM on machine with UEFI BIOS

I have a machine with UEFI BIOS. I want to install Ubuntu 18.04, desktop version with RAID 1 (and LVM) so my system will continue to work even if one of the drives fail. I haven't found a HOWTO of how ...
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Mount a linux_raid_member (level 1)

Original topic: https://unix.stackexchange.com/questions/78804/how-to-mount-a-disk-from-destroyed-raid-system I did it by the "hard way": (first if its possible clone this disk before you do ...
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Partition drives before RAID1 or after

I have a data server with an SSD for Ubuntu and 2 HDD (4TB) for my data. Both to be put in RAID1 configuration. The data will be divided for /home, /nextcloud, /gitlab (respectively 500 GB, 2TB, 1TB)...
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Old Raid1 working on new Ubuntu Server install?

I recently did a fresh install of Ubuntu Server 18.04 over my old 16.04 install. I had a Raid1 config in my old setup, which I administered through mdadm. It seems as if my Raid1 config is still ...
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2x virtual disks

I have a storage server with hardware RAID controller ,2x SSD and 3x 4TB HDD. I think the RAID controller is LSI 2108/2208 SAS MegaRAID, but im not sure if the version is correct. Can I make 2 ...
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Ubuntu Server 16.04: Sees only logical volumes (hardware RAID), doesn't see physical disks

Situation: I have a server (see info below). I need to install Ubuntu on the physical drive, but not on the logical one (hardware RAID). But during installation I can't see my physical drives, so it'...
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Can you raid SDD drives?

Specifically, it's more about RAIDing with different interfaces. If i have an m.2 SATA 2280 SSD with an identical (size and manufacturer, so more likely to really be the same capacity). Can i RAID ...
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Not able to create file system, mount or delete for my RAID

This is my first time building my own RAID and I think something is messed up and I have no idea what to do next. I have looked all over the interwebs and have not found any solutions that help. I ...
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RAID inactive and new md127 was somehow added as raid disk

I'm currently trying to get our RAID working again after the server crashed. The setup is: one RAID with 2 hard drives and a second one with 7 hard drives. But apparently after I tried to start it ...
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BTRFS data recover from NAS

I would like to some help or at least pointing me in the right direction as I am trying to recover data from a broken NAS Raid system with BTRFS file system. I will need to recover some data from it ...
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A start job is running for dev - Raid 0 with encryption

I see many of these online but none so far have seemed to help me fix this. I recently updated my SSDs and decided to install Ubuntu 18.04 with dual booting Windows partition. Current setup: 2x ...
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Is it possible to use RAID1 with 4 hard disks?

I have 4 hard disks with 2TB each. The thing that I want to do is to mirror 4 TB hard as follows: 2TB * 2 is mirrored to 2TB * 2. If it is possible, do I have to do use LVM first?
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Problems with GRUB bootloader

I am trying to install Ubuntu 18.04 Server on my fresh new PC which is intended to be a server. I am trying to install it with RAID 1 since I have 2 SSD with 500 GB. I have managed to get in the ...
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Installing Ubuntu with Abnormal File System

I'm trying to install Ubuntu 18.04 alongside Windows 10 on my new 2018 Dell XPS 15 2-in-1. I get as far as configuring the partition in the Ubuntu installer In short, the Ubuntu installer isn't ...
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Motherboard cannot see Raid Array 3ware 9650SE

Firstly, I'm new to Servers, Hardware and Raid, so please be gentle. I am constructing a server with the following specs: - Motherboard: Asus M5A97 rev 1.02 - Memory: 32GB - Drives: WD20EARX (2GB ...
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How can I boot in RAID mode?

I installed Ubuntu with Windows 10 (dual boot) after setting SATA operation from RAID to AHCI. After this, Ubuntu opens only when AHCI is set and Windows opens only when RAID is set. So, I have to ...
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Handling 20K files of 500M each

I have 20K files. The size varies from 150M to 500M each. My files are tend to grow with time up to 500M. My usage scenario ETL (all happens within 8 minutes): Read file Modify it in memory Write ...
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Reestablish RAID1 array with existing RAID disks

My Ubuntu OS became corrupted and would not boot and I had to reinstall from scratch (version 14.04). I had a RAID 1 array on the original. The two RAID 1 disk appear fine. How do I re-establish ...
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Mount HW RAID 10 created on Windows 10 to Ubuntu 16.04 LTS

I just started using Linux again as a media server, because Windows10 was just giving me too much trouble. I'm trying to mount a RAID 10 array that I was using on the Windows 10 machine that contains ...
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How can I install Ubuntu 18.04 on a different Mirrored HDD from my Windows OS?

So a little bit of context first. I use a Desktop PC that has a 120GB SSD with Windows 10 installed on it and two 1TB HDDs that are on RAID 1 so the OS only sees an 1TB HDD (I have files equal of ...
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Should I install Ubuntu on a Logical Volume?

newbie here. I've also searched the forums and read some related opinions etc but wanted to double check and make sure I was understanding stuff correctly and how it applies to my specific ...
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RAID0 will not assemble on boot, not able to assemble manually

our lab's RAID0 array has seemingly stopped working. The system knows there are drives there, but I haven't been able to assemble them no matter what I try googling around in these forums. I've ...