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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How to make files download/store to another disk

I currently have a 3 hard drive set up. One disk is 250GB and contains the Ubuntu OS while the other two are each 1TB and intended to store all the actual data (this is a lab server). It's worth ...
Tyler Reagan's user avatar
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when creating raid array, is it better to do it in partition or whole disk?

There are many tutorials out on how to create a raid array with mdadm and some of them differ in this but I don't really see the difference.
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Auto install with preseed

Good, I am creating a preseed for my server but I do not understand that represent the following numbers: 1024 30 1024 raidor 2048 60 2048 swap for example. I have two hard disks ...
postgresqlx12's user avatar
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Ubuntu ldmtool not showing windows RAID-0 drive

This used to work for me, but I've re-installed Ubuntu and now am not getting anywhere. I have a dual-boot windows/Ubuntu machine. From windows I can see my RAID-0 drive, but when I use sudo ldmtool ...
mcmillab's user avatar
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How to deal with the easy (RAID) root access without setting a root password

I did read a lot about Linux, and how bad and dangerous having a root password set up (or having a root access privileged account), but I can't find any solution to this by myself : I configured a ...
Dooz's user avatar
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gparted error: libparted error --- reached the end of the file during the reading of /dev/sdX

--- introduction --- Hi,I am an Italian native speacker and so is my ubuntu, sorry for my bad English (I've spent a lot of money trying to improve it but :D, as you can see, it has been a bad ...
Falconfab's user avatar
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Hardware RAID always Rebuilding

I'm getting some RAID erros on system init. [ 9.535614] md: raid0 personality registered for level 0 [ 10.359621] md: raid1 personality registered for level 1 [ 11.182608] raid6: sse2x1 ...
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How can I combine multiple HDDs with LVM?

I have 2 spare HDDS and 1 SSD laying around. I want to combine them into one big volume and connect it to my server. HDD a is 2TB, HDD b is 1TB, SSD is 250GB. I have never done raids before but my 2TB ...
answerSeeker's user avatar
3 votes
1 answer
3k views

Converting a physical Linux Machine to use in VMWare

Linux newbie here. I am connecting to the machine from a Mac via SSH. Would someone be able to tell me the best process for converting the already running Linux machine to a Virtual machine to be used ...
Aaron Kane's user avatar
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How do I speed up mdadm raid 1 rebuild?

I use an old laptop as a NAS, and for redundancy, I have two 2TB drives in software raid 1. One of them recently failed(I believe because of a blackout at the worst time possible), and now the array ...
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Server re-install not working

my Ubuntu server recently crashed and since then I am struggling to get it back. The server became unresponsive, ping returned sporadic returns and none of the services (SSH or Webmin) would connect. ...
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Ubuntu 14.04 LTS RAID 1

I have one question about RAID in Ubuntu. When i configure RAID array in my bios is there any additional things in Ubuntu that i need to do ? Please can anyone help me ?
mailoo95's user avatar
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Logical Volume not available in /dev/mapper - can't get it to appear

I inherited an Ubuntu kvm server: # lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS Release: 14.04 Codename: trusty ... which is giving us ...
jaydisc's user avatar
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ubuntu server 16.04.2 on Raid 1 in Dell PowerEdge T20 - hangs on Reached target Shutdown

Good morning all, i have a little issue that has been puzzelling me for a bit, i have an ubuntu server now with a fresh clean and updated install of 16.04.2 LTS and when i go to shutdown or reboot ...
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Raid Array Corrupted. Please help me recover my life's worth of files

I have a windows laptop, and I have a Ubuntu 16.04 desktop which has 3 hard drives in it: 500GB Ubuntu 16.04 OS hardrive. 1TB - Raid 1 (Ubuntu Raid) Hard drive A (nfts) 1TB - Raid 1 (Ubuntu Raid) ...
run_the_race's user avatar
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2 answers
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Ubuntu 16.04 Installed on RAID 0 with mdadm followed by boot repair still fails to boot

My Ubuntu 16.04 was installed successfully with ubiquity --no-bootloader. Then, I ran boot-repair and rebooted. My computer still failed to reboot. My boot-repair paste is this: http://paste2.org/...
Henry Shu's user avatar
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suspicious zpool resilver

ZFS on linux, Ubuntu 16.04LTS. ZFS pool, raidz1 vdev with 5x4TB drives. Yesterday I noticed one drive completely flaked. (Audible noise from heads attempting to reset, recalibrate). It was toast. So ...
Mark Renouf's user avatar
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Install GRUB fails when installing ubuntu on a disk configured with RAID 10

Grub -install/dev/sdafails to execute when installing ubuntu 16.04 LTS on a disk with 4*6TB HDDs configured with RAID 10. The configuration of the disk is as follows. ubuntu@ubuntu:~$ lsblk -o NAME,...
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Unable to install ubuntu 16.04 server edition

I am trying to install Ubuntu 16.04 server with RAID 1 software configuration. After the disk partition is done, I'm getting the following error: Executing "grub-install /sdev/sda" failed. This is a ...
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Update grub on mdadm RAID 1

Short backstory: I have never done anything with mdadm before and am in charge of maintaining an ubuntu 16.04 server with a software RAID 1 based on mdadm. Recently I updated grub and was prompted to ...
Michael G.'s user avatar
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Broken filesystem

Something is wrong with the filesystem on my ubuntu installation and I'm trying to fix it. I tried to use fsck but the problem is that I don't have access to sudo, when I try to run sudo I get -bash:...
Dragon Creature's user avatar
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Using mdadm, is it possible to change copy number in Raid10 array?

I am attempting to finally setup a raid10 array for my media collection to use on a dedicated server box. I had no experience using mdadm, but followed the tutorial at: https://www.digitalocean.com/...
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Can't detect SSD when installing Ubuntu 16.04 LTS alongside with Windows

I recently tried to install Ubuntu on my razer blade pro, which has two raid0 configured SSD, I can successfully boot into Ubuntu live session with a USB stick, but when I tried to install it on the ...
Jack's user avatar
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Can't access Windows 10 Software RAID0 Disk from Ubuntu 16.04

I have Windows 10 and Ubuntu 16.04 installed on a SSD. I created RAID0 (I think it is called striped volume) via Windows Disk Manager with 2 x 1TB HDDs. I wanna access this partition from Ubuntu. I ...
morikalina's user avatar
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Ubuntu 14.04 - undo mdadm raid1 lvm system, 2nd disk as emergency recover

I have a (remote) Ubuntu 14.04 (XFCE desktop) system which is configured with RAID1 (2 identical disks): # cat /proc/mdstat Personalities : [linear] [multipath] [raid1] [raid0] [raid6] [raid5] [raid4]...
scoobydoo's user avatar
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clean old array disks

I installed a new version of ubuntu using some old disks. In the setup they were configured as a raid so I let them go. I am getting an error when mounting pbrink@groot:/mnt$ sudo mount /dev/md1 /...
BrinkDaDrink's user avatar
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insanely large GDT blocks with mdadm partitions

I have a 4 drive USB3.0 external ext4 mdadm lvm RAID-5 array connected to my Ubuntu 16.10 box (ripped from a broken Synology). Disk manager shows the array is fine and all the logical partitions are ...
rubberunderpants's user avatar
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343 views

Ubuntu Server 14.04 cant find RAID

I trying to install Ubuntu Server on old Server with Intel S5000VSA motherboard with created RAID0 on SAS, but installator can't find an driver for discs. I found only a this driver but it support ...
Knowledge's user avatar
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Why is my zpool mirrored?

I can't figure out what im doing wrong according to the documentation zpool create steam sdb1 sdc1 should make a striped pool over both those disks. However the total size availbe is the size of ...
Kyle Rooney's user avatar
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RAID1 array won't start

Despite being able to get this to work before I cannot manage it this time. I have a single disk raid array: $ sudo mdadm --examine --verbose /dev/sdc** /dev/sdc: MBR Magic : aa55 Partition[0] : ...
Mark's user avatar
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Trying to mount an mdadm array.

I am trying to power up an older Linux box of mine to pull some data off. For the life of me, I can't remember why I had it set up this way. The intent was for the home directory to be a raid 1 array. ...
KurtMesh's user avatar
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1 answer
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I mounted my raid and it didnt worked

I mounted my raid to the /media/sdb1 mount point that I created earlyer. After that, I opend the smb.conf and the added the mount point to the path. [share] comment = Arthur Server path = /...
Arthur199's user avatar
6 votes
1 answer
603 views

Ubuntu Core with Raid 1

I'm trying to set up my Nextcloud on a Raspberry Pi 3 on Ubuntu Core. I want to have a Raid 1 setup, so a disk failure doesn't wipe out all the data (next to weekly backups I'll do with another disk ...
Rino's user avatar
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Configuring a RAID10 on Xubuntu, UEFI system

My 'system' personal experiences from the past: - fresh install Windows - fresh install GNU/Linux - dual boot MBR Windows/Linux I am not an expert; this is my first RAID installation attempt and I ...
TazMayhem's user avatar
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How to install Ubuntu on Intel RST fake raid?

I have got myself a new laptop with two 512GB NVMe M.2 SSD disks. It supports Intel RST, so I have set it up as a RAID 0 Array from Intel RST tool on Windows 10. Everything works good on Windows, but ...
Kurence555's user avatar
3 votes
0 answers
906 views

Ubuntu desktop 16.4 64bit install on raid 0

Can any one please help. I would like to install Ubuntu 16.4 on raid 0 (I know how to set up raid through my bios, done it with Win7 and no issues), but every method I have looked up and tried to ...
Nick's user avatar
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looking for the intel RAID driver

I currently using CentOS and I would like to move to Ubuntu. I need help finding a Intel driver for the RAID 1 that I am using (motherboard feature). System Information Manufacturer: Gigabyte ...
darking050's user avatar
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Where is the RAID configuration from WebminGUI?

Hi I've set up a Raid1 on two Harddrives via the Webmin GUI. Everything works fine, I get the raid shown as /dev/md127 Now, I want to make a backup and documentation off all configurations ... but ...
derHugo's user avatar
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Hard drives not found in ubuntu Server installation (Suspected raid controller)

So I have two servers, an IBM x336 & IBM x306M. Both are quite old and I am only using them for game hosting. I tried installing Ubuntu server on both machines and found that neither were ...
Buby's user avatar
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How to change grub install location

The problem is exactly as described here. According to the answer from that thread grub location should be changed from /dev/md126p1 to /dev/md126. What I don't quite understand is how to do it during ...
knight_lightning's user avatar
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Installing Grub2 on Linux SW RAID5

I have a brand new installation that I'm trying to install Grub2 onto 6 disks, in a Linux Software Raid 5 array. I am using mdadm to build the array. I would think the correct partition to install ...
talkinggoat's user avatar
3 votes
2 answers
10k views

shr raid drives with crashed nas OS (synology)

I have two disks which I used as SHR (synology hybrid raid) in synology NAS. After an update the OS crashed without ability to use reset option. apparently this is known as white screen of death. I'm ...
Matthieu Kints van's user avatar
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Migrate/Move full disk encryption system to new unencrypted HDD, effectively removing encryption

Similar to this question about 'disabling full disk encryption', but hopefully different enough to not be labeled a duplicate; We currently have a Ubuntu Server (16.04, I believe) running in our ...
ZN13's user avatar
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1 vote
1 answer
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RAID Configuraiton for Home Server

I want to Install & Configure Ubuntu Server as my Home Server. These are my requirements. Configuration for RAID (2 desktop HDD each with 1TB) Which RAID configuration is best suited for ...
AnandSwaroop's user avatar
1 vote
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195 views

Second Hardware RAID 1 drive not mounted with correct size

My set-up is the following: Hardware Mainboard: Supermicro X9DRi-F Hardware-RAID-Controller (onboard) HDs: HD0, HD1: 2TB HD2, HD3: 6TB RAID-Devices: raidvol1: HD0 + HD1 in RAID1 (working) raidvol2: ...
Eike's user avatar
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2 votes
1 answer
714 views

How to replace a drive in a btrfs filesystem with no spare drive slots?

I have a btrfs filesystem in RAID 1 on two drives of the same size. If one drive failed then I'd want to replace it with a new one. On the wiki here there is a description of how you can replace a ...
dippynark's user avatar
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FakeRAID problems - Should be 21 Tib but only showing 3.83Tib

I have a ASrock 177 +7 extreme motherboard and four 8TB hard drives in a fake raid. I use this just for storage. I believe the RAID controller is Intel. I also have a 512gb ssd that is used to dual ...
FSM's user avatar
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1 vote
1 answer
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mdadm system unbootable warming from update-initramfs -u

When I run sudo update-initramfs -u or apt-get upgrade I receive the following warning: W: mdadm: the array /dev/md0 with UUID 5bb9de94:f4c6b44f:2c027820:a8368d69 W: mdadm: is currently active, but ...
Danny Pang V's user avatar
1 vote
1 answer
441 views

Custom Mdadm email msg

Is it possible to customize the email message from the mdadm monitor process to include custom user text such as "if you get this msg call me!"
RookieBeotch's user avatar
1 vote
0 answers
230 views

Ubuntu 16.04 crashing PowerEdge 1950 Gen II

I am faced with a strange situation whereby just past the Ubuntu (Ubuntu or Ubuntu Advanced Options) boot screen I get an intermittent crash that sends the BIOS of the Dell PowerEdge 1950 Gen II into ...
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