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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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I reinstalled Ubuntu Server 18.04 which had a RAID5 array, and I'm unable to delete the RAID to create a new configuration

This is the error message I get mdadm in --stop mode failed : mdadm: Cannot get exclusive access to /dev/md0:Perhaps a running process, mounted filesystem or active volume group? How do I delete ...
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Preconfigured Intel Raid Array Mount in Ubuntu

I would like to mount a preconfigured Raid Array on my new Ubuntu Installation. Found relevant information to find it using sudu command in terminal. However, location of Raid is spanned across 3 ...
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Ubuntu 18.04 can't recognize my SSD

I got a new Lenovo Ideapad Flex 5, recently. Previously, I had been using a 10-year-old system. A lot of things have changed since then and I wasn't up-to-date with the latest tech. So this new ...
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Add a RAID Array to the “Other Locations” section of Nautilus

I have a RAID 1 array I created with mdadm in Ubuntu 18.04 (if it matters, I followed this guide https://www.digitalocean.com/community/tutorials/how-to-create-raid-arrays-with-mdadm-on-ubuntu-16-04#...
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Is there any complete guide to install 18.04.1 on an machine with LVM and RAID1 and RAID 6 on boot?

I'm trying to install the latest ubuntu server. I wold like to install under LVM the system in a 500 GB disks to be define as RAID1, and create two partition on 4 disks to be defined as RAID6, all ...
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RAID6 Array MDADM Assemble Force Not Working Out of date?

Hope someone can help me, I think I know what next step to take, but I don't want to lose any data! Somehow I got into a situation where the RAID6 went inactive, following some Googlefoo I stopped it ...
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Clonezilla (Bionic Beaver) not seeing Intel RST RAID0 (even as individual disks)

I'll admit I'm kind of an idiot when it comes to Linux, and I've spent the last three days trying to migrate from a single disk to two disks in RAID 0 using my BIOS' Intel RST RAID solution. I've ...
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Problems with dmraid

I want to install Ubuntu along with Windows 10, but the installer didn't show the /dev/sda when I had to select a partition to install it. I found this post where they say executiong sudo dmraid -E -r ...
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Problems trying to install Ubuntu 18.10 in Aspire A515-51

I just bought a new Aspire A515-51, and I tried to install Ubuntu 18.10 but I'm having trouble. When I have to select the partition where I want to install it, it doesn't show the /dev/sda: screen ...
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Installing Ubuntu 18.04 alongside windows10, the SSD is not recognized

I have DELL Precision, with 512GB SSD. I did shrink the only Drive C, and made 125 GB of unallocated space to install Ubuntu on it. restarting the system choosing boot, install Ubuntu, the ...
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Dual booting with Fake Raid 0 (intel rst)

I have working windows 10 on this fake raid 0. Windows shows raid as a Intel Raid 0 Volume I want to install ubunt (tried other flavours of linux but no luck too) and ubunt doesn't see my fake raid. ...
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Mirrored Volume of Windows to Ubuntu RAID 1

I am dual booting Windows 10 and Ubuntu 18.10. The D:\ Drive has a mirrored volume on another hard disk. I am trying to use mdadm to setup similiar mirroring on Ubuntu so that, regardless which OS I ...
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Cannot get system to boot upp with new cloned disks

Just tried to upgrade my disks from mechanical to SSD type drives on my ASUS M4A785-M motherboard (non-UEFI). Thought I had prepared thoroughly and it seemed that the process was not too difficult for ...
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Mounting and exporting a single linux raid partition from an E01 in Ubuntu

OK, so I have a forensic image (E01) of a ZyXel NAS unit (model NSA 310). http://il.zyxel.com/es/es/ProductTab.shtml?pid=20110426084939&idx=6&c=es&l=es Most standard forensic tools wont ...
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Two drives and uefi partition on each drive. How to fix fstab so I can boot each separately?

The situation is like this : Two drives, each with a linux raid partion and an uefi partition with grub installed. The raid partitions are configured as RAID 1 with mdadm Only one drive boots (sda) ...
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mdadm automatically removes drive from array

I've successfully configured a raid 1 array with mdadm. Both drives have a raid partition and an uefi partition with GRUB installed. When I execute "cat /proc/mdstat", I have a working array with 2x ...
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Can only see 600Gb of 7TB hardware raid?

I have a DL560 GEN10 with a smart array. When I boot I only see 680GB of the logical drive. The Logical drive is eight 1.2TB drives in a raid 50 so it should be about 6TB. I installed the OS on ...
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RAID5 with differently sized drives?

I have a mdadm RAID5 across 6 1TB disks. One of the drives failed recently so I replaced it with a 2TB disk. Is there any way to make the RAID larger so it can use some of the extra space on the new ...
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Problem moving RAID 1+0 to new MB with fresh installation

I had a perfect functioning 4 1TB disks mdadm with ubuntu 16.04 LTS: sdb1 & sdc1 RAID1 (md0) and sdb1 & sdc1 RAID1 (md1) md0 and md1 in RAID0: 2TB RAID 1+0 But I had to change MB ...
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Raid1 updated Grub on both drives

I have 2 drives, sda,sdb which partition table is as following: Number Start (sector) End (sector) Size Code Name 1 2048 4095 1024.0 KiB EF02 2 ...
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HP MicroServer - HPE Smart Array E208i-p SR Gen 10

I have an HP MicroServer Gen10 with 4x4TB HDD's. The MicroServer is using hardware RAID "HPE Smart Array E208i-p SR Gen10". However: When booting into Ubuntu Server 16.04, the RAID array shows up as ...
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Is there an easy way for converting a 1 disk ubuntu install to raid 1?

What's the easiest strategy to convert my ubuntu server with one drive into a RAID 1 system with 2 drives? There are plenty tutorials, but none of them describes how to do it with an uefi system ...
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Single drive with EFI partition + Linux filesystem partition TO 2 drives with Raid 1

I'm stuck here ... I'm trying to go from one single drive to a raid1 configuration in Ubuntu 18.04 server. I've read some step by step guides, but in those guides they don't mention an EFI partition : ...
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How to make a simple RAID1 configuration with ubuntu?

I have a very simple goal: A computer with two seperate harddisks (each 500 GB) in a RAID1-configuration and UBUNTU Desktop running on top. Basically UBUNTU should see only 1 drive as everything ...
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How to setup a RAID

I have four 2Tb HDDS, with 2 installed right now. Ubuntu sees both drives, but did not configure them into a RAID. How do I set this up? HDDs
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Moving a RAID5 from Windows 10 to Ubuntu 18.04

I've converted a Windows 10 box over to Ubuntu 18.04 . I've been using a Mobius 5-Bay external enclosure set to RAID5 for a few years and am now attempting to mount and use it in Ubuntu. After looking ...
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zpool made from 3 disks, configured as double-parity RAID-Z pool

The file server I'm building will host a ZFS pool datapool made from 3 disks, configured as double-parity RAID-Z pool. There is a dataset, datapool/home created on the pool. The dataset datapool/home ...
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Restore file and directory pointers after delete

I accidentally deleted hundreds of video files on my ReadyNAS device (2 disks in RAID 1 with BTRFS file system). I immediately turned it off so it would not be re-written to. I understand there are ...
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“Warning, had trouble writing out superblocks” when creating partition. Is my disk FUBAR?

I am using Gparted to create partitions in order to set up a RAID5 between 4x4TB drives. I managed to set up 3 of the drives using gparted with no problem, but I have had a lot of issues with this ...
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how to mount WD Mybook Studio II?

Hello I have 2TB WD Mybook Studio II, formated NTFS. I need it to use on Windows and on Linux and I need to store files bigger than 4GB. sudo blkid /dev/sdb1: LABEL="2TERRA USB2" UUID="...
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Ubuntu Server 18.04 software RAID 1 definition

I am unable to find the exact specifications of how the RAID 1 logic is executed in Ubuntu Server 18.04. More precisely, I am interested in setting up a RAID 1 software mirroring using two identical ...
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Ubuntu Server 18.04.1 Initial mdadm Setup

I need some help with setting up a basic RAID 1 using the new 18.04.1 server installer. There's a lot of outdated stuff out there, all referencing version 16.04 and earlier, a lot that show setting up ...
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checking raided system

I'm recovering a Ubuntu server with three disks, two of which might be raided (in that case since they lived in a Windows server), and that might contain data. The problem is I don't know how to ...
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Cannot install device driver for HighPoint rocket 640l, “ERROR: could not insert 'rr640l': No such device” [closed]

Have been trying to install the drivers for HighPoint Rocket 650l in many different versions of Ubuntu (most lately server 13.04), with the same result every time. Doing sudo modprobe rr640l yields ...
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18.4 RAID1 and /boot/efi

I'm installing 18.4 server and I would like to create a RAID 1 mirror. In order to provide fail over I would like either disk to be bootable. Using the manual partition tool to setup the RAID1 ...
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Dual Boot Windows 10 and Kubuntu - SATA AHCI vs RAID [error]

I dual installed Kubuntu on a computer with Windows 10, grub is on /dev/sda while the Windows boot manager is on /nvmesomethingsomething. To install it, I had to set SATA from RAID to AHCI in the ...
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How to ensure RAID1 is set during format and installation of 18.04 server on HPE ProLiant DL20 Gen9 and how to switch between the RAID1 when needed?

I am given a HPE ProLiant DL20 Gen9 that I intend to install ubuntu 18.04 headless server edition on. I was told ( but I am not sure how to confirm ) that this server has 2 pieces of 1TB harddisk. I ...
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Removing RAID1 and merging disks into one

How can I remove RAID1 and have the system still be bootable? I also need to merge two disks into one without destroying data. # fdisk -l Disk /dev/sda: 238.5 GiB, 256060514304 bytes, 500118192 ...
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Install Ubuntu 18.04 Server with Hardware RAID1 configuration on Intel Nuc Skull Canyon

I am trying to install Ubuntu Server 18.04 LTS server with hardware RAID1 on Skull Canyon (NUC6i7KYK). SSDs for RAID are two identical Samsung 970 Pro 1Tb. In first step i updated bios of Skull ...
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Ubuntu 18 Mount a windows software raid stripe

I'm dual booting Ubuntu 18 and Windows 10 (nvme drive). In Windows 10, I created a software raid stripe for two other SSDs. How can I mount the 2 software raid SSDs in Ubuntu 18???
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Ubuntu Server 18.04.1: mount raid 1 as /boot partition

I have 6 disks (2x 1tb and 4x 4tb) and want the following setup: 2x 1tb disks in raid 1 (mounting point /) 4x 4tb disks in raid 5 (mounting point /home) I got the following messages: If you put ...
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What happened with the “mdadm doesn't start array with external bitmap” bug?

My system seem to be affected by this bug: https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/803737 The symptoms are exactly the same. The bug is marked as fixed in Debian and Confirmed/Unassigned ...
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installi ubuntu 18.04 on acer aspire s7-391

i'm trying to install ubuntu 18.04 64bit version on an acer s7-391, it is an ultrabook with a 128GB ssd hdd in raid 0. After the installation, i receive the message no bootable device found. Here ...
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Unable to install Ubuntu 16.04 LTS on Lenovo SR550 server

I am trying to install Ubuntu 16.04 LTS on Lenovo SR550 server, but unable to install as the raid disk is not showing when we click on detect disks. Raid card is 530-8i.
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MDADM fresh install disk failure

I'm having a unique mdadm issue. I have an 8 disk raid5. (storage, not boot disk). I sold the computer, so I put a fresh install of ubuntu on it. In that time, one of the drives died. So there ...
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problems with fresh installed kubuntu 18.04

I have a new system with dual boot, windows and latest kubuntu. I do have 2 problems left, that I can't resolve by myself. 1) It does only boot sometimes. sounds strange, but its real. When I choose ...
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X399 NVMe RAID 0 Dual Boot

I would like to ask, I own an X399 Threadripper PC. If I install Windows and Ubuntu 18.04 on a 2 NVMe RAID 0, will there cause any problems to the Ubuntu side? Since as far as I know, the NVMe RAID ...
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Ubuntu only recognizing the SSD that I used for the install

all. I'm a very new user to Ubuntu, and I'm trying to get my storage up and running. When I first installed Ubuntu, I already had my RAID array set up, and put the OS on my SSD. I checked Files>Other ...
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My Raid5 has gone. Problems with replacing a HDD

Hello to all experienced ubuntu users. Today I am faced with a failed Raid5 cluster. I am not very experienced with linux. It runs "out of the box" without bigger problems, so I have never been forced ...
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Can't find RAID array after HW upgrade Ubuntu 18.04

I had a RAID1 configuration set up using this RAID guide (DigitalOcean) on my home server. It was working great until I upgraded the motherboard and cpu. The disks used in the array both have ...