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.

learn more… | top users | synonyms

1
vote
0answers
596 views

Ubuntu 13.04 will not erase previous Ubuntu with RAID

When trying to do a clean installation of Ubuntu 13.04 on a system that has a RAID controller and RAID5 volume set and also had Ubuntu 11.04 installed will not allow me to delete the RAID or even ...
1
vote
0answers
695 views

Dual booting Ubuntu with windows 8 on machine with SATA ssd cache controller ( DELL XPS )

System info: Dell XPS 8500 SE with 2TB HD and 32GB SSD SATA RAID cache I have been at this project for a couple days now and have hit a brick wall on researching the issue. I can't find an instance ...
1
vote
0answers
460 views

Restoring RAID after linux installation

After Years using windows and wishing to enter the linux world, I recently installed Ubuntu 12.04. I have a Dell vostro 3460 with: 500 GB HDD 32 GB SSD mSATA (cache - not physical drive) My ...
1
vote
0answers
195 views

2x SSD like one drive 12.10

I want to do a clean install of ubuntu 12.10. I got 2x 40GB SSD's. I want to have them like one drive. (like RAID0), is there a way to do this with LVM, in the graphical Ubuntu 12.10 installation? I ...
1
vote
0answers
257 views

Building and migrating to software raid 5 array

I am hoping to build and migrate to a software raid 5 array. I am working with ubuntu 12.04.1 LTS 64-bit. I currently have three drives: /dev/sda1 which is a 60G solid state drive which contains ...
1
vote
0answers
2k views

Recovering from RAID5 with 2 failed drives, only one of them really dead

I have (had?) a RAID5 with 3 devices. One of them died, and after some days I experienced that the RAID stopped at all. However, I could restart it without experiencing any problems, but it stopped ...
0
votes
0answers
7 views

MDADM issue with 14.04LTS after deleting RAID10

I am currently running 14.04 LTS on 1 HDD with a RAID 10 array used for storage. After a drive scare I decided to back up my array to an external HDD (done) create a new RAID1 array for the OS that I ...
0
votes
0answers
13 views

Ubuntu Raid 1 boot

I installed ubuntu with raid1 using two SSD:s, using this tutorial. The ubuntu start fine when both SSD:s are connected, but if I remove either one of them I get to boot to busybox. boot fail pic ...
0
votes
0answers
40 views

Raid 1 and Ubuntu Desktop 16.04

I installed Ubuntu Desktop 16.04. I have two SSDs to enable RAID1 on. I used this procedure: How to install Ubuntu 14.04 64-bit with a dual-boot RAID 1 partition on an UEFI/GPT system? The ...
0
votes
0answers
40 views

How to enable degraded RAID1 boot in 16.04LTS?

In previous ubuntu versions, adding BOOT_DEGRADED=true to /etc/initramfs-tools/conf.d/mdadm allowed the system to automatically boot when the root filesystem is on a degraded array. This no longer ...
0
votes
0answers
12 views

Problem installing Ubuntu Studio to a GT80S Titan with 950 Pros in RAID 0

I used Rufus to write a bootable USB Drive. Rufus configuration: As for "Partition scheme and target system types": I both tried "I tried both the MBR partition scheme for BIOS or UEFI" and "GPT ...
0
votes
0answers
18 views

which one to use configure RAID0,RAID1,RAID5 OR RAID10

I am new to set up RAID and I need some guidance,my server is HPDL360 GEN8 and It has 4 500gb,now what RAID should I use or to configure ? Thank you in advance.
0
votes
0answers
24 views

grub-probe error unknown filesystem after failed release upgrade, LVM RAID5 resize

I've got a software LVM RAID5 setup, across 4 physical hard drives: /dev/vg1/lv0 contains /boot /dev/vg1/lv1 contains / A do-release-upgrade from 14.04 to 16.04 failed due to /boot partition being ...
0
votes
0answers
23 views

Yellow Machine Network RAID Ubuntu Installation

I need help with installing Ubuntu 16.04 onto my Yellow Machine Network RAID. The RAID comes with 4 hard drives and I want to put Ubuntu onto one of the drives. Whenever I run the installer disk, it ...
0
votes
0answers
19 views

how to clone Ubuntu with multiple disk with RAID 1 configuration to a new system with almost same hardware

I'm wondering if it's possible to clone a pre-configured Ubuntu 14.04 LTS system to a new system with almost the same hardware. I had some experience cloning a single drive setup but not multiple ...
0
votes
0answers
32 views

How does 16.04 mount my newly-mdadm-created RAID? (It's not in /etc/fstab)

I've created a RAID device using mdadm. It's /dev/md0 and I've successfully formatted and mounted it at /media/raid. I created an /etc/fstab entry for /dev/md0, but md0 is gone when I reboot. Upon ...
0
votes
0answers
17 views

Remove cable one disk (test one disk error) on Ubuntu Server RAID1

I setup Ubuntu Server follow https://help.ubuntu.com/community/Installation/SoftwareRAID Everything good work, but I want to check remove one disk (test one disk error). After I remove cable disk 1 or ...
0
votes
0answers
10 views

How to migrate to ssd in RAID 1 system

What are the steps to migrate a Ubuntu 12.04 system from HDD to SSD. the system has two HDD's running in sofware-based RAID 1 mode.
0
votes
0answers
203 views

Can't Install Ubuntu 16.04 NVME Driver

I can't seem to install Ubuntu on my yoga 900. The device has a 512 gb NVME Samsung hard drive in it. This drive is seen by the BIOS but not by the Ubuntu installer. There is no option to change the ...
0
votes
0answers
26 views

Install Linux on SSD and have HDD RAID5

I'm trying to find a solution, but it seems that no one has specifically had my problem. I'm trying to install Linux on an SSD and attach a RAID5 setup so that I have a secure home networked server. ...
0
votes
0answers
28 views

Installing Ubuntu Server on Raid 1: FakeRAID

I am installing Ubuntu Server 14.04.2 - amd64 in RAID 1 on my system with the following specs. SPECIFICATIONS: ASUS H97M-E 4GB 1600MHz RAM i3-4160 2 x 3TB Toshiba However, I failed ...
0
votes
0answers
26 views

How to backup the full system at runtime once a day

I would like to backup my 'server' running Ubuntu 14.04 every day at around 04:00. It needs to suspend after the backup has completed (I've got my script for this, but the software needs to have a '...
0
votes
0answers
20 views

Power Failure on Software RAID 10: is automatic resync enough?

I had a power failure on a server (Ubuntu 12.04.3 LTS ) with a raid 10 array. When I restored the power, in dmesg there was the message: md/raid1:md1: not clean -- starting background reconstruction ...
0
votes
0answers
26 views

Failed to load COM32 file menu.c32 - existing install

I've been trying to get one of our servers online since Friday. This server became unresponsive Friday and after running diagnostics on it (DL380 G9), I found nothing wrong with it. This server was ...
0
votes
0answers
84 views

unable to mkfs.btrfs ERROR: unable to open /dev/sdc: Device or resource busy

I have an old Dell PowerEdge 1950 with a LSA SAS card connecting three hard drives. I am running Ubuntu 16.04 server. When I run the following command: sudo mkfs.btrfs -d raid6 -f /dev/sdc /dev/sdd ...
0
votes
0answers
19 views

Migrating W7 file server to ubuntu server 14.04

About 3 years ago a built a file server with a LSI MegaRAID 9280-24i4e hardware raid controller along with AMD Phenom II x4 cpu, 8GB of RAM and the OS that I chose was W7 and is installed on separate ...
0
votes
0answers
58 views

mdadm monitoring script after boot

the mdadm monitoring program is not working after boot. When i kill the process afterwards and run mdadm --monitor --scan again, everything is ok and the script runs on failures. Here ist my mdadm....
0
votes
0answers
209 views

Unable to Partition Software RAID 0 array with 16.04 Server + Z170 Skylake, ACPI Exception in log

I'm trying to do a clean install of 16.04 on some new hardware, and I'm unable to partition/install onto a RAID 0 array. Motherboard: AsRock Z170 Fatal1ty ITX/ac (SATA devices set to AHCI, also tried ...
0
votes
0answers
364 views

RAID 0 installation instructions

I am looking for specific instructions for installing Ubuntu (clean install) on 2 identical hard drives in a RAID 0 configuration (striped). Have never found anything that describes how to do it......
0
votes
0answers
18 views

Server 14.04 Install Onto Software RAID1 Fails to Boot

New 14.04 server install onto host with 2 x 1 Tb drives, followed https://help.ubuntu.com/lts/serverguide/advanced-installation.html to setup a software RAID 1, end of install reboot and I get no ...
0
votes
0answers
27 views

ZFS zpool import in ubuntu taking very long after system crash and reinstall OS

Don't know if the events were related in any way: zpool set to automatically run scrub on crontab, most recent scrub completed a few days ago, 3 unrepairable errors on 3 files. I did not require ...
0
votes
0answers
34 views

Raid 0 drives are not detected during Ubuntu 15.10 installation on GT72S 6QE dominator pro G

I have GT72S dominator pro G, with 128+128 Gb RAID 0 configured SSDs. I have 1TB mechanical disc as well. Windows 10 on UEFI mode is already installed. Trying to dual boot ubuntu and w10. The problem ...
0
votes
0answers
68 views

Help, cannot install Grub

I have a recent motherboard (GA-X79-UP4), and a couple of 3TB Seagate drives. Trying to install Ubuntu 15.10, in a RAID5 configuration. Using the server image, since the desktop one does not seem to ...
0
votes
0answers
23 views

Creating boot partitions on multiple disks

I'm trying to get some redundancy with RAID1 on my Ubuntu Server box. I've made some good progress using the install wizard but I'm stuck on the following: >> lsblk NAME MAJ:...
0
votes
0answers
31 views

Ubuntu won't boot after install on software raid r

I have installed server v15.10 and created a software raid 5 array. After partitioning and setting the EFI system partition as bootable it does the install with no problems. When done it reboots and ...
0
votes
0answers
86 views

Trying to mount old NAS hard drive - mount: Structure needs cleaning

I had a Western digital. The software was not working anymore, so I remove the hard drive. The HD is a Western Digital Caviar Green of 1 To I connect through a USB hard drive converter and..... root@...
0
votes
0answers
27 views

MDADM Existing RAID

I just swapped from Fedora 20 over to Ubuntu 14.04 LTS. I have a pair of drives that were setup using RAID 1 (mdadm) and working beautifully. The OS is on a third drive (SSD). The web is awash in ...
0
votes
0answers
10 views

Moving from two hard drives to one, plus a RAID array. Will I have problems?

I currently have a setup with two filesystems, /dev/sda and /dev/sdb, each with one partition. I boot from /dev/sda1 and have my /home on /dev/sdb1. /dev/sda is a solid state drive and /dev/sdb is a ...
0
votes
0answers
35 views

Ubuntu MaaS 1.9 RAID1 boot from degraded

MaaS 1.9 came out with a new feature of creating raid arrays with mdadm. I would like to use this to create redundant boot disks of a server which has no hardware raid. MaaS only allows one boot ...
0
votes
0answers
26 views

Copying a Ubuntu installation from a single hard drive to BIOS RAID 0

I am trying to copy an existing Ubuntu installation on a 250GB drive to a BIOS created RAID 0 array with two 160GB drives. I've tried Clonezilla, but it doesn't seem to support BIOS RAID, as the two ...
0
votes
0answers
24 views

SSD Not part of Raid?

I was playing around with BTRFS calculator (link below). I have 2 2TB Drives and 1 3TB drive. I also have a 120GB SSD. I was thinking Raid 5 with the operating system loaded on the SSD. It said I ...
0
votes
0answers
44 views

Auto-mount flashcache'd drive (RAID array) on startup

I have recently created a RAID5 array with mdadm and cached it through SSD using flashcache. Everything works great, however I cannot make the drive to be mounted on system's startup: Every time a get ...
0
votes
0answers
72 views

SATA configuration mode RAID doesn't pick up SSD

I just got a laptop with Windows 10 on a 500gb SSD. I partitioned it in order to install Ubuntu. When I got to the Ubuntu installation screen, I couldn't pick up my SSD (it only picked up the HDD). In ...
0
votes
0answers
82 views

MAAS 1.7.6: ProLiant DL360 Gen9 - HP Dynamic Smart Array B120i controller driver for Ubuntu 14.04 does not work when configured as RAID 1 device

We are having issues configuring two ProLiant DL360 Gen9 servers, which are configured in a RAID 1 and in UEFI mode. The installation gets stuck at 'booting under maas direction'. The servers have ...
0
votes
0answers
26 views

Nagios service not showing up in Web Gui

I have a Nagios install and am trying to add check_raid plug in. I have 3 custom cfg files that I added to nagios.cfg called custom-commands.cfg custom-servicegroups.cfg and custom-services.cfg. They ...
0
votes
0answers
33 views

Trying to monitor a windows raid with Nagios on Ubuntu 15.10

Hello I am trying to get my Nagios install, which is working fine, to monitor a windows server with some raid disks. I have a nagios installation working but when I installed the nagios-plugins-...
0
votes
0answers
68 views

mdadm: partition is not a block device

I was trying to create a RAID 1 partition by running the command mdadm --create /dev/md0 --verbose --metadata=0.9 --raid-devices=2 --level=raid1 --run /dev/sdc1 missing. But mdadm's response was: ...
0
votes
0answers
10 views

mdadm raid superblocks gone after a power cycle and moving the array ?

Our RAID superblock issue has many of the same details as this We have not been so lucky to see the raid again to recover data and start over . What complicates our issue is this is a 24 disk ...
0
votes
0answers
13 views

What “cbaaacigei” means in /dev/mapper/isw_cbaaacigei_foobar?

After creating an Intel software raid with the command dmraid --format isw --create foobar --type 0 --disk /dev/sdb,/dev/sdc a RAID-set was created with the name isw_cbaaacigei_foobar After ...
0
votes
0answers
15 views

Add a RAID to existing setup

So let's say I have 3 drives. D1 = 120GB SSD with Ubuntu 14.04 on it D2 = 2TB NAS Drive D3 = 2TB NAS Drive If I have D1 already setup and running Ubuntu how could I add D2 and D3 as a RAID 1 array ...