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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mdadm: SSD+HDD RAID 1 [duplicate]

How do I setup a RAID 1 on mdadm between a SSD and a HDD, without loosing SSD reading speed and with boosting write-speeds of the HDD.
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When I mount my RAID5, there is constant activity; how can I figure out what it is?

there. I'm using Ubuntu 13.10 64bit. I have a 4-disk RAID5 (3 disks, 1 spare) setup, and it's completely synced/built, and the ext4 filesystem it contains is clean. When I assemble the RAID, all is ...
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314 views

Ubuntu Server 12.04 + Webmin, add hard drives to raid 6

the subject may already discussed, if this is the case, a reference would be much appreciated because I really searched and never found real answers to my questions. I have a Ubuntu 12.04 LTS Server ...
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34 views

RAID setup for small application server?

I want to setup a small application server running 12.04, mostly running bioinformatics tools. The box has 16GB of RAM and 12 core and 6x2TB SATA disks. I need a system partition of, sat at least ...
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47 views

Error installing Ubuntu Server 12.04.3 lts with RAID 5 configuration

I have a Dell PowerEdge 2750 that has 8 x 500GB HDD's. I performed a RAID-5 configuration through the BIOS, essentially leaving me with about 3.3TB of available disk space. I then installed Ubuntu ...
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127 views

Grub on boot partition using raid0 and swap partition question

I'm new on this linux stuff and english isn't my language so have some patience please. =) Question 1: *When a boot partition is created during or before a installation of Ubuntu, is Grub bootloader ...
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53 views

Trouble installing Ubuntu on a secondhand IBM server

I recently picked up a secondhand IBM x365, and I want to install Ubuntu on it. I've installed Ubuntu on countless personal computers, but never before on a server. I made my bootable disc (I have a ...
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Ubuntu 12.04 + software RAID = error: unknown filesystem, grub rescue (UEFI)

I'm posting here for the first time, though reading this site looking for solutions almost every day. I'm trying to install Ubuntu 12.04.3 with soft-RAID on a IBM server with UEFI support. After the ...
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132 views

ubuntu desktop installation

I've been searching on the internet for quite some time to find a solution. I've been trying to install Ubuntu Desktop on a new computer build. I would like to install ubuntu desktop on a ssd and ...
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240 views

using GRUB to boot a linux system on a different device?

I bought a new SSD drive with the idea of running my Ubuntu system on it and leaving the other two SATA drives (which are configured in a RAID array) for storage only. Ubuntu installed with no ...
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176 views

IBM ServeRAID Manager (Application CD v 9.30)

Is there a way to install IBM ServeRAID Manager from the "IBM ServeRAID Application CD 9.30" to run it in Ubuntu Desktop and/or command line environments? After installing Ubuntu 12.4.x on 3 IBM ...
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439 views

Problem removing software RAID from empty drives

I have inherited a 32 bit PC which has two SATA drives and a hardware RAID card setup for Raid 1 mirroring. The PC is empty and as I need a local server for some web development work I decided to ...
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32 views

New to Linux - Need Suggestions on Hardware that is compatiable

I want to either build a tower or use my Lenovo TS130 server with Ubuntu. My goal is to do RAID 1 on the tower and install Ubuntu. The purpose of this machine is to use it as a file server for my ...
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How to create an external selfhealing btrfs USB HDD RAID 1 array?

The hardware is an external 2TB bus powered USB disk. What I want is a RAID1 setup of 2x 1TB btrfs. Is this possible? How? __ Motivation The motivation for me to use RAID1 btrfs is because I ...
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124 views

Decrease in Network Speeds On 12.04

I have a newish 12.04 box that I converted from FreeNAS due to the difficulty with the FreeNAS operating system and slow transfer speeds over gigabit ethernet. I got 12.04 setup without many ...
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40 views

Cannot replace a faulty disk using mdadm raid1

I have a Software Raid 1 array that I build a couple years ago. One day, after I loss current, the array became corrupted. One the drive was corrupted so, I removed it from the array and rezeroed it. ...
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497 views

RAID 5 won't mount

I have a qnap NAS which is running a version of ubuntu and I'm not getting any help from their forum so I thought I'd ask my question here. I "had" 3 2TB HD's in a raid 5 configuration. When I got ...
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136 views

mdadm array: there is not enough space on the disk

I have this array of approx 6TB (ext4) and i am getting a disk space error. I only have a total of 800GB to copy to the shares I have created. I am using robocopy to copy this data from a windows ...
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317 views

Home Microserver using Ubuntu and ZFS: about ZFS

I see this topic is quite a popular ([1], [2]) so hopefully I can get nice feedback on what I'm trying to do. I'm buying an HP Microserver with 4x 2TB, and I currently have two computers. I'd like ...
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1k views

Installing Ubuntu with Software RAID 10

I just set up Ubuntu 12.04.3 Server LTS with software RAID 10. Here's the steps I followed for setting up RAID: 1) Automatically partition one of the drives in order to determine the sizes of the ...
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55 views

How to fix broken upgrade on Ubuntu Server on USB thumbdrive with Encrypted LVM

Oh woes is me: I decided to do a do-release upgrade on my workstation and managed to bork my production workstation. My setup was as follows: 32GB usb key that Ubuntu Server booted from - this ...
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470 views

Can't boot gpt + raid + lvm disk

I bought a pair of 3Tb disks to replace some existing 2Tb disks in my Kubuntu system. I partitioned them both using GPT, making a small "bios_grub" partition on both: root@allhats2:~# parted /dev/sda ...
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187 views

Clone an Ubuntu machine with software RAID

I need to migrate my dedicated server to a new one: Both server are hosted remotely, I've no access to physical machines, only root ssh The old server is running Ubuntu server 13.10, ...
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402 views

Ubuntu Server 12.04 on a ssd & data on RAID HDD

I'm new so please forgive me if i'm posting against the rules or something like that. I found some topics that are a bit related, but none with raid 10. I'm going to switch from Windows server to ...
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901 views

Hardware RAID 1 Problems

So yesterday, I had Ubuntu 12.04 on a 1tb standalone drive, and a hardware RAID 1 array of two 1.5tb drives. The RAID is setup in the BIOS, and has functioned as expected on Windows and on Ubuntu ...
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Cannot boot WIN 8.1 on RAID0

I cannot repair GRUB because Ubuntu doesn't see sda and sdb as RAID0 with Windows 8.1. I think if I might be able to mount it then I can repair Grub. Or maybe I am wrong because I am noob :) ...
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174 views

mdadm /dev/md2 inactive superblocks

Using a WD world book that stopped working after power cycle. I can ssh into the machine and all disks report healthy so if I knew more about Linux I think this might be a quick fix. Figured I'd ...
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42 views

Installation on RAID 6i array?

I've been trying to get some linux distro - ANY linux distro - to function on an HP DL380 G4. I have an array of six 36gb SCSI320-SCA drives on the onboard HP SmartArray 6i controler; not a single ...
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60 views

software raid resync does not work with new harddrive

After a harddrive failure, i tried to resync the existing software raid. I copied the partitionstructure sgdisk -R /dev/sdb /dev/sda sgdisk -G /dev/sdb And added the drive back to the volumes ...
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172 views

how to fix degraded software raid?

How can i fix this degraded raid? Someone can help me to figure out? ...but i am not sure i am adding the correct drive / partition. Possible for someone to confirm the command i need to use for ...
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212 views

Mount RAID1 Drive via USB into a New PC/Laptop

I have two old 1TB hard drives that were in a RAID1 array (mdadm). They were last known to be working fine and the issue with the old PC is the mother board blew out. I now have a laptop with Ubuntu ...
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How to make ubuntu see my raid1 setup?

I have raid1 setup that i was using in windows. Now I want to see it under ubuntu. Under Disks>Devices I see the 2 x 500gb hard disks as sdb and sdc (on sda is ubuntu) and Contents says "Intel matrix ...
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160 views

How Do I Get More Than 16TB Out Of EXT3?

I have an MDADM RAID 6 array that I just added a 20th disk to. It consists of 20 1TB drives. RAID Detail: $ sudo mdadm --detail /dev/md0 [sudo] password for : /dev/md0: Version : 00.90 ...
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Using “Sata Controller” to add extra ports with mdadm software raid to create a raid 5 array

Here is the set up.... Ubuntu 12 LTS, Plex.. ect.I am looking on setting up a raid 5 using 4 2tb disks to create 6tb of space with a fail safe. One thing I have had a thought about which I am unsure ...
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486 views

Unable to install busybox-initramfs

I tried to install 13.10 Server to 2x3TB HDD with the following partioning (RAID1 + encrypted root and home) 2 times to following: 256MB EFI-Boot 500MB /boot RAID1 0,95TB / RAID1+encrypted 2TB ...
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What does the down-right arrow button do in Raid Disks 13.10 (gnome-disk-utility)?

When I open Disks (gnome-disk-utility), then highlight a RAID, then either click its gear -> RAID Disks... or CTRL+R, I get a window with three buttons, +, -, and one with a u-turn like arrow; what ...
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Raid controller question “hardware RAID Array Maximum size: 2.3TB”

I am looking to get a raid controller for my ubuntu server (used as a media server with plex) I am looking to ger this http://www.sybausa.com/productInfo.php?iid=530 however, I am new to raid, and the ...
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Stuck after Wubi installer

So after the Wubi finished the install and rebooted, something failed and went to busybox shell. I have tried this twice now. System Specs: I7 930 OC 4.21 6GB DDR3 1600 Mushkin Blackline C: WD ...
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XFS File System Fails - Can't read Superblock

After this (Iomega Home Media disk corruption - data recovery help asked) problem solved... i have a new one.. I'm trying to understand why my Iomega Home Media Stopped working, and need for that to ...
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281 views

Ubuntu Lucid/12.04 manual installation with RAID/LVM

My goal is to install Ubuntu 12.04 LTS using two 1T disks with mixed LVM over RAID. I am running the installation using the mini ISO (bad quality CDs had read error when I tried to use server ISO, so ...
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82 views

what is the difference between installing raid form bios and from disk utility in installing system?

what is the difference in configuring raid in Idrak bios and configuring raid in installing Ubuntu or any other system?? is it faster in configuring raid from bios and more good performance and can i ...
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75 views

Migrating 2-disk raid0 installation to single drive

I currently have Ubuntu Server 13.10 (upgraded from 12.10) installed on an old Dell PC at home. When I set it up, I tossed in 2 1TB drives, and set up raid0 to simplify using all their space. I know ...
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Manage flag question - can I remove RAID flag ? what can I safely change to?

I have a SATA 750GB hard drive that I took out of my failed WD my mybook and plugged into the controller on my ubuntu machine. Ubuntu 12.x LTS desktop does see the drive in disk utilities BUT the ...
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108 views

Ubuntu server 12.04 install raid 1, slow (takes over 2 hours)

I am trying to install ubuntu server 12.04 LTS on my server but the installation is really really slow. First I thought it was because it has to mirror everything but I assume it shouldn't take so ...
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432 views

Recover Orphaned RAID 0 from Silicon Image controller with Linux Software RAID?

I had an old XP machine in Raid0, 2 x 120gb drives on a Sil3112 controller. The drives are intact (afaik) but the motherboard or P4 is toast. Id love to recover precious photos from the drive or dump ...
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hpacucli on HP ProLiant DL320e Gen8 with Ubuntu 12.04LTS 64bits

I'm trying to get working the HP Smart Array utility "hpacucli" on a ProLiant DL320e Gen8 server since it's officially certified. The program is installed successfully (I followed this guide) but ...
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72 views

Unable to boot Ubuntu - dual environment with Raid

My new desktop has the following configuration (1 SSD with windows 7 installed) and a 2TB pair of Raid 1 disks. Windows is installed on the SSD (120Gb) which includes a boot partition. I have split ...
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Mdadm RAID array doesnt recognise harddisks at startup

I created 2 hardware raid 0 arrays of 1TB each. They are currently working fine. I've got those 2 arrays and a real 1tb hard-disk in a RAID1 array, which is 1 tb. The reason I'm doing this is because ...
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69 views

How do I make raid with 2 disks on Ubuntu server?

I have two 500 GB disks that I have installed on my ubuntu 12 system, One is my main file system, and the other I partioned as a RAID disk in the ubuntu installation. I would like to remount the ...
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228 views

RAID Driver ubuntu 13.10

I have Ubuntu 13.10 installed on an old computer with a MSI 7032 K8T Neo-V motherboard which has a build-in RAID 0/1 controller. I tried connecting two other HDD's in RAID 0 (from a home server) to ...