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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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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57 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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25 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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267 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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102 views

Ubuntu Server 13 hangs on boot, help?

All that appears on the screen is the blinking cursor, and it never seems to go away. I am pretty sure this may be a permissions problem. The reason I suspect this, is before the problem occured I ...
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409 views

Ubuntu Install 13.10 - media change

I'm in the middle of an install of 13.10 on a Poweredge with RAID 5 setup. It is asking for a "media change" and "release AMD64 Salamander (20131016)". I have the CD in the CD drive, but it won't go ...
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533 views

mdadm automount

I have a system running ubuntu 13.10, booting from a 50GB SSD. Attached to the motherboard are also three 2TB disks. configured into a 4TB RAID array. After ubuntu boots, I can mount the RAD volume ...
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98 views

Dell Power Edge 1800: Won't Install

I'm trying to install 13.10 on a Dell 1800 which gets to the the "checking system" portion of the install then it locks up. The keyboard then blinks at the CAPS LOCK and the SCROLL LOCK LEDs; & I ...
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134 views

Ubuntu 12.04 Raid wont assemble after move to new PC

Alright, so I swapped the system board out on my server running Ubuntu 12.04. The OS is on its own drive, and then I have 1 storage drive, and 3 drives in a Raid 5. Well, when booting up with the new ...
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195 views

Unable to install Ubuntu 12.04 on SAS Hot Swap Hard Disk Drive (2*146 GB, 15 RPM) with RAID 1 [closed]

Unable to install ubuntu 12.04 server on below mentioned hardware with RAID 1. Without Raid one Harddisk is detacting. With Raid 1 Harddisk is not Detecting. Hardware details:- Intel Xeon E5410 ...
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212 views

Boot up problem: P FIFO DMA_PUSHER MEM_FAULT

I have been trying to solve this issue on my own, but no luck so far. What I have tried in order to clear the fault is: blank all HDDs back to factory state did a full RAM error check (passed ...
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102 views

How do I get /home to mount?

My PC has 6 drives. /dev/sda, /dev/sdb, /dev/sdc and /dev/sdd are 750Gb SATA drives. Each drive has one partition filling the complete drive (/dev/sda1, /dev/sdb1, /dev/sdc1, and /dev/sdd1). These ...
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205 views

Sony vaio vpc-z1 operating system not found

I have a Sony Z1 laptop signature series that is saying operating system not found When I try to start up the computer. On start up I pressed the F3 button and it shows the Samsung SSDs as error ...
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106 views

Hard drive in software RAID5 dissapeared

I have 6 HDDs in my box, 2x256Gb ATA OCZ-AGILITY4 SSDs. Each is partitioned into one block of 48Gb and one block of 208Gb. The 48Gb partitions are RAID0 striped and serve as the swap space (md0). ...
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946 views

Bootloader install failed - RAID

I am trying to install Ubuntu 13.04 on a desktop with hardware raid (3 disks in raid 5). I believe I have an ICH8 chipset, if that is relevant. So, I created an install USB stick with Startup Disk ...
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134 views

multiple /home mountpoints

I have 5 hard drives 1.5TB and 4-750's. What I want to do is make the 4-750's into a raid10. I already have a /home mountpoint on the 1.5TB drive. I want to use the raid as DATA only no OS stuff at ...
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Can I create partitions and encrypt a couple of them for ubuntu 12.04.2 installation???

I am trying to install Ubuntu 12.04.2. I have onboard RAID with 2 identical solid state drives bought at the same time and that's ok, because ubuntu recognizes them as one disk. However, I want to ...
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262 views

Raid Issues Cannot Boot and Getting Superblock Errors

I am getting the errors below. How do I get the RAID array fixed. I'd like to get it mounted via the live cd that im booted into as well. Just so I can backup a few items. My setup boots from the RAID ...
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1k views

RAID 5 Inactive at boot - error: found two disks with the index 1 for RAID md/0

My OS is Ubuntu 12.04.2 LTS with this kernel: 3.2.0-49-generic #75-Ubuntu SMP Tue Jun 18 17:39:32 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux I have a raid 5 array composed of 3 hard drives and suddenly, ...
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136 views

Setting up Cluster Configuration using an existing web server as a Primary Node?

We currently have a Primary node, which resides in the US within a Datacenter, but we are going to be using this for all serious bandwidth and resource intensive websites, and through a configuration ...
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299 views

MDADM Raid Array Fails to Mount On Startup, OK on Dynamic Access

First off, thanks for taking a look - I've tried to tackle this problem more than once to no avail. The long and the short of the back-story (though I can't recall specifics because it's literally ...
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123 views

mountall problem on RAID

I installed Ubuntu Server 12.04 x64 with a software RAID 1 and had to run boot-repair to make the system bootable. Now everything seems to be ok except that it throws following warnings during each ...
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58 views

How to install Precise Pangolin as a second OS on a PC with a RAID?

I want to install Ubuntu as a second operating system beside Windows XP SP3. My main PC has a mainboard based on the nVidia nForce4 architecture with an onboard (mainboard) nVidia RAID controller, 4 ...
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401 views

Best configuration for 1 SSD and 2 HDD's?

I'm going to be buying a sata 3 motherboard (Gigabyte GA-970A-DS3) and a new SSD (SATA 3) as my boot/programs disk. In addition, I will be using my 2 old maxtor diamondback 10's (7200 - 300gb each) ...
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Alienware M18xR2 raid slow write ubuntu 12.04 32bit

12.04 32bit alternate installer worked fine for alienware M18xR2 with a RAID0 configuration with 2 SSD drives, but writes are SLOW! Best case is barely more than 1MB/sec, as timed by dd command: ...
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328 views

LVM2 builtin raid - how to check raid status

I just created LVM2 builtin RAID1 (something like lvm mirrir, but newer) with lvconvert --type raid1 -m1 /dev/ubuntu/root /dev/sdb5, Ubuntu 12.10. How can I check mirror status/health both in ...
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306 views

Ubuntu Server 12.10 -> 13.04 Upgrade & MDADM Raid Arrary

Now that 13.04 is out - i am looking to upgrade my home server (test rig) to have a play. Just wondering what effect running do-release-upgrade Would have on my MDADM raid array? Would it survive ...
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40 views

How can we restore If all kernel has removed by mistaken it has RAID10

how we can restore the server if we removed the all kernels, and I have the RAID 10. in this case I try to recover with live-cd but I am not able to mounting partition because I have RAID10 ...
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24 views

Install different RAID

Now I have running server (samba) Ubuntu 12 with raid 1 (2x250GB). It's running well, but I will add new hardisk 2x(1TB). I would like to know this new hardisk will be running raid 1 too. Is it ...
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113 views

ubuntu 12.04 not booting

I have installed ubuntu on 2 brand new 1TB hd's (raid1 config) using a boot cd. The install seems to have completed correctly but it wont boot. Using the boot cd and "try ubuntu" I can see all the ...
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588 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 ...
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177 views

Hard Disk Formatting Error

so here is the situation.. I installed Ubuntu, pretty sweet.... all was going well till i tried to install an application " LPCXpresso IDE for ARM micro controllers" now the PC hung up as soon as the ...
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71 views

MD arrays mounted incorrectly (no rwd)

I've got various RAID 1 & 0 (MDADM) arrays mounted in /media/ via fstab but I'm coming into trouble creating/deleting files from some of these volumes from the GUI and programs, it's as if they ...
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438 views

Is there a fix for md raid failure on 12.04

I've got a system that ran cleanly on Ubuntu 10.04 LTS. Upgrading to 12.04 LTS / 12.04.1 LTS / 12.04.2 LTS has been unpleasant and unsuccessful. Install goes cleanly and I have installed as follows: ...
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570 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 Hello, 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 ...
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196 views

Repair degraded/failed Raid1 Ubuntu 10.4 [closed]

My search Fu and brain are exhausted, I need to ask for some help. Our Company Server was taken out of the building for about 5 months while some restructuring was done. When returned from sitting ...
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673 views

Recover failed RAID1 software Partition / missing partition table or superblock

i already read & tried different approaches for 2 days now but nothing seems to work. I have 2 HDDs, on each one is an partition with 200GB which i had in RAID1. Then i installed XBMC and tried to ...
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400 views

broken raid 1 array - I think I messed up

I have a big problem with my raid setup. So if anyone is interested, please help... I have a raid1 setup with 2 hdd. One day I saw in the SMART data of one on the disks that it had some bad sectors, ...
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151 views

How to access Intel Matrix RAID 0 from installed system (live USB had detected it automatically)?

I have Intel Matrix storage drive that have 2 hard drives installed in stripe. When I boot computer with Ubuntu 12.10 live (from USB) I can access this "virtual" drive from RAID. After installing ...
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303 views

DMRAID issues with Intel Matrix Storage (NTFS)

I have a RAID 5 array set up in Windows 7 using the Intel Matrix Storage Manager, which is, to the best of my knowledge, known as "FakeRAID". I installed Ubuntu 12.04 LTS side-by-side with W7, and I'm ...
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155 views

How do I setup RAID5 on 12.10 server without including system boot disk (after install)?

I have installed Ubuntu 12.10 Server on my HP Microserver. I installed it onto an SSD and now have 4 1TB HDD which I want to configure as RAID5. How do I go about doing this, can I do this from the ...
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336 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 ...
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131 views

How to prevent Ubuntu from assembling degraded RAID on boot?

I have RAID 5 on 3 hard disks, in which one of them is external on USB 3. I'm facing problems on boot because sometimes the external drive isn't detected or maybe isn't ready soon enough, and the RAID ...
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183 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 ...
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619 views

Why is ext4's Journaling I/O usage so high when copying files to my RAID1?

This just barely started occurring and I feel like this is not a bug but a configuration error (hopefully). I'm on 12.04, 64-bit and have been happily stable for many months. My RAID1 is years old and ...
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343 views

How to setup grub for raid-1 on already setup 12.04?

Final objective: Two disks, one old, one new. Need to setup raid-1 without re-installing ubuntu. System is Ubuntu 12.04. Note that I am trying everything in a virtual machine (virtualbox) What I have ...
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224 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 ...
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34 views

Rsyncing from a SATA to a raid 1array

I configured raid 1 for SAS drives using an adaptec 6405E controller. I want to copy data from a SATA drive to my SAS raid array but df -h does not show the array, it only picks the SATA drive. How ...
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71 views

How to I add a drive to a system that already has a software raid on it

I currently have a Ubuntu 12.04 server booting off a USB stick and running a raid 0 configuration with 2x 2TB drives. I would now like to add an additional stand alone drive (not as part of the ...
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ubuntu and external RAID enclosure with eSata (no portmultiplier)

First of all, this is my virgin question here so bear with me, I'm trying to include the infos I think are needed, if something is missing I'd be happy to provide it if you tell me what it is. On to ...