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 install Ubuntu server 11.10 with SATA-RAID on Fujitsu-Siemens Primergy TX150 S7 server? [closed]

I have FSC Primergy TX150 S7 and I need two SATA drives to be in soft-RAID mode. I want to install Ubuntu server 11.10 on this machine. But when I run installation, I can't see any disks when RAID ...
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How to modify/fix incorrectly detected dmraid (FakeRaid) RAID 10 array

I'm trying to get dmraid to properly detect an existing RAID 10 array, which is working fine within windows 7. In summary, the drive setup and bios partitioning is as following: 2 x SSD (120 GB), ...
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Win7 -> Ubuntu 11.10 - Win Dynamic Disk Raid 1

I imaged my win7 system disk via ntfsclone + dd (mbr) to one of my Win7 Dynamic Disk RAID1 disks from within the Ubuntu LiveCD instance (only wrote to one of the disks in the win7 RAID1 array). I did ...
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Megaraid SAS Raid Controller

I have about half a dozen servers all running the Intel RS2BL080 raid controller on Oneiric server AMD64. It works fine using the megaraid_sas kernel module but when I try to use megacli to probe the ...
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2 TB Hard Drives and RAID 5 in home server

I recently converted my home media server from Windows Server 2008 to Ubuntu 11.10. Right now, there is a single WD20EARS 2 TB hard drive formatted as NTFS that's about to run out of space. I'd like ...
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Device or resource busy errors when setting up a RAID array

I'm trying to create a Raid array and these are the errors I keep getting. I have repartitioned the drives several times. root@BitchStewie:/dev# sudo mdadm --verbose --create /dev/md1 --chunk=64 ...
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Twice the amount of drives show up when setting up a RAID array

I am trying to set up an array, with ubuntu. I have hooked up an array containing 12 drives of 1TB, but when I run the following command, it returns 24 - 1TB drives. What's causing this, and ...
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What is Ubuntu's software raid controller partition size limitation?

Does anyone know what the partition size limitation is for the Ubuntu software raid controller? If its 2TB, does anyone know how to increase that limitation to 3TB? This is in regards to a question I ...
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What should the total space be for 4 3TB Drives in RAID10 configuration?

I just configured 4 3TB drives in a RAID-10 configuration but the total disk space in the RAID is 4TB. I used the following guide to setup the RAID-10, RAID-10 Intall. Shouldn't the size if the ...
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How to implement RAID 1 on Ubuntu 11.10 desktop? [duplicate]

Possible Duplicate: How to implement RAID 1? How to set up RAID 1 [software, hardware or fake] on Ubuntu 11.10? Can it be done through Unity?
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How to setup a RAID with 2 hard drives

I have 3 hard drives, 2 of which I want to set them up as RAID. I understand that one of the RAID types (Do not know if it is RAID-0,1..6) improves performance by using 2 hard drives simultaneous. The ...
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raid 5 name changing during reboot

I left my server running all night 'recovering' after i built a new raid 5 array using the command: mdadm --create --verbose /dev/md0 --level=5 --raid-devices=3 /dev/sd[bcd]1 My server spent all ...
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Why is new raid 5 build 'recovering'?

I am building a home server with raid 5. I first set up the system to boot from compact flash. After i got that working I tried to create the raid 5 array. All disks are new and have no data on them. ...
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494 views

Install Ubuntu side by side with Windows 7 on existing RAID 5 array

I've got Windows alreay installed on Raid5 array with 3x1TB HDD. I want to install Ubuntu on one partition in this array, but Ubuntu Setup doesn't recognize the array. All that I have found is ...
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Will new ubuntu install be able to read/write to software raid 5 array created by a previous install?

I would like to install ubuntu server on a usb drive and then boot from that usb drive. I want to create a software raid 5 array out of the 3 x 2TB hard drives in my computer which I will use for my ...
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885 views

Replaced drive in RAID array--now can't boot?

I have a home server running 10.04 configured with an mdadm-based RAID array. The boot and /home partitions are both on RAID-1 arrays, and I have a large data partition on RAID-5. There are three ...
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How to know when a drive failed in RAID1

I want to make sure my backup are safe. I use one main SSD running Ubuntu and I have 2X 2Tb HDD in RAID1 for my data. How to know when a disk fail?
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What to do about a corrupted ZFS Pool

Have been running a test instance of a NAS using a ZFS as mentioned in Restoring an Ubuntu Server using ZFS RAIDZ for data. This week one of my disks died. Shouldn't be a problem, should it (the ...
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Install Ubuntu 10.04 on ICH6R RAID 1

I have a machine running Win7 in RAID 1 Mirror Array. I want to install Ubuntu 10.04 along Win on this machine. Can someone point me in the right direction. Will Ubuntu recognize this automatically? ...
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496 views

Install Ubuntu dual boot with Windows 7 in a JBOD array

Some weeks ago I decided to try ubuntu on a Virtual Machine, and I really like it! Then, some days ago, I tried to install it on my computer, together with Windows 7. But, now, I have a problem. My ...
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Server stuck at black screen after reboot

I recently put together a new server running Ubuntu Server 11.10 and it's all working great except for one little detail. Whenever I run "sudo reboot" everything works fine until I get to the grub ...
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Installed Ubuntu on a separate HDD, got a grub error and want to know if anything went wrong

I installed Ubuntu on my spare HDD and everything was going fine until the setup installed GRUB. I have 3 HDDs in RAID0 and a spare HDD where I chose for Ubuntu. The error said that GRUB cannot be ...
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657 views

Recover mdadm raid5 from disk images

My computer just died (won't turn on) and I had some data saved across 4 raid5 disks configured with mdadm. I don't have another computer with sata controllers and want to try to recover using my ...
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461 views

Do I have a raid or not?

I am building a new (power) system. MOBO is a ASUS Sabertooth 990FX. I've installed: 1 500GB HD for the OS and user accounts (mounted at /) Three 2TB drive set up on the BIOS as a single raid0 ...
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View Files from mirrored RAID outside the device

The Product I have is a Western Digital My Book The device has stopped working but there is nothing wrong with either of the two mirrored drives. I would like to take out the two mirrored hard ...
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How to install 11.10 on Sun V65x (potential aic79xx issue) [closed]

I have a Sun V65X which I believe has an internal Adeptec AIC7902 H/W Raid Controller. I have installed Ubuntu 11.10, and the symptom is that the system goes through the h/w checks, post, and then ...
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How to install using btrfs in RAID10 mode?

As a test I want to install Ubuntu 11.10 onto a btrfs file system in raid10 mode. However, I have no clue on how I should go about that. I have tried the installer, and then creating the fs in the ...
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How to convert a btrfs file system in raid1 mode to raid0?

I've install Ubuntu 11.10 with btrfs as the / file system (was a bit of a mess to do, I'll explain if people are interested) so I can expand the primary file system into the second drive on the ...
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can i have two seperate fakeRAID disks with two seperate controllers? [closed]

I have a nv and a sil3114 SATA controllers, each has a bios setup Raid 5 that Needs to be shared with windows... but i cant get either to work after trying what seems like everything. ...
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Resizing partitions on a RAID 0 Array by command line

Oh boy this is a qustion and a half. Simply put when i set up the server it wasn't intended to be used for what it is now, and root (/) has run out of diskspace, while /home has tonnes of the stuff ...
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Sharkoon 5-Bay RAID Box, will it play?

I'm looking to expand the storage capacity of my home server running on Ubuntu Server Edition. Because the server is a small sized mini-ITX cube with room for only 1 HDD, I had the idea of installing ...
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Raid won't mount on boot after reinstall [duplicate]

Possible Duplicate: MDADM Superblock Recovery So I was having a lot of trouble with Ubuntu after upgrading to 11.10. I decided to do a clean install, and things seem to be much better. ...
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SSD + TRIM + ext4 OK. What about LVM and RAID?

I've read that SSD TRIM is now supported in the recent kernels with ext4 too (see How to enable TRIM? ). Is it OK/safe to enable TRIM when having a) LVM b) RAID1+LVM? Thanks!
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Reformat soft RAID-5 Ubuntu [closed]

I built a linux (Ubuntu) box a year ago and decided to have some fun and use a soft RAID 5. I followed the instructions here. Things seemed to work fine, but now it's time to reformat the computer ...
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How come 11.10 doesn't come with some of the applications from 11.04?

I have a fresh install of Ubuntu 11.10 (oneiric) on a RAID stripe. In order to install on a RAID I had to use the Alternate Installation (ubuntu-11.10-alternate-amd64.iso) I noticed off-the-bat that ...
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RAID 1 array not found in server installer

So I'm trying to install the last version of Ubuntu Server 11.10 64bits on my server ( replacing Windows Server 2008 completely ). Since I need more Sata ports, I bought a PCI Sata RAID Controller ...
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MDADM Superblock Recovery

After a power cycle I found my RAID 5 Array no longer working. I tried various methods to reassemble the array but nothing has worked so far. I believe I need to recreate the superblocks and UUIDs ...
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Do I need the alternate installer to install on a box with existing raid 0?

I have an existing machine with three drives, two of which are joined in a raid 0; on my old distro, this was mounted at /home When I went to install Oneiric, it recognized each drive separately; the ...
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How to remove swap from RAID1 Array?

Can anyone point in the right direction on how to remove SWAP out of a RAID1 configuration? According to the Ubuntu Advanced installation guide, here, it said to add swap to the raid but I am having ...
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571 views

Problem with grub to dual-boot in raid system

I've got two HDs in a raid system and Windows 7 installed in a partition. When I try to install Ubuntu in the other partition, the installer says the bootloader can't be installed. I've mounted ...
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How do I rename an mdadm raid array?

For some reason, when I try to rename an mdadm raid array to a textual name, the change doesn't take. I tried the advice from this serverfault question, but to no avail. ~$ mdadm --version mdadm - ...
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How do I automount a fake raid?

Hardware Asus K8N4-E Deluxe Mobo Sil 3114 fake raid, onboard 2 Seagate 250 gb hd, hosting my /home A backup on a separate hard disk of /home What I have so far I've made the raid using the Sil ...
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How can I access an Ubuntu RAID device from Windows?

I have Ubuntu installed on an Ext4 RAID1 with Windows 7 on another disk. The RAID is a software RIAD setup in Ubuntu. I've used the Ext2Fsd project to mount normal Ext4 systems, and it works well. ...
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Why does Grub2 break EVERY time I update my laptop?

I'm running Ubuntu 11.04. I just don't understand it. It doesn't matter if it is a kernel upgrade, or an Adobe Flash update. The next time I restart my computer Grub2 breaks. All I get is a blinking ...
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How can I quickly copy a GPT partition scheme from one hard drive to another?

On a non GPT partition table I can do sfdisk -d /dev/sda | sfdisk /dev/sdb. But sfdisk doesn't support GPT partition tables. What can I use instead? I'm looking for a one or two command solution, ...
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Is having the 'swap' partition at the 'beginning' better than at the 'end'?

I recently installed Ubuntu 11.04 onto a RAID0(stripe) device using the alternate installation disc and manually partitioned the HDs ext4 and swap partitions; during this process, I was reading in a ...
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Add new hard drive to mirror existing LVM drive with raid1

I have a 320GB hard drive with an LVM2 volume group that was created as part of the default installation. If I put a second 320GB hard drive into the computer, can I make the second drive mirror the ...
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Grub can't find RAID partition in fresh install of 11.04

I attempted to install 11.04 on a Dell PowerEdge-R610 that has a LSI SAS1068E-based hardware RAID setup (I think). Installer finishes without a hitch, but upon reboot, it appears that Grub can't find ...
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Is it possible to grow a luks-encrypted external raid5 array?

I'm planing to buy an external raid array (hardware raid5). My intention is to outfit it with 4 disks initially and encrypt it using luks and dm-crypt. My question is: Will I be able to hot swap disks ...
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Ubuntu can't mount swap from RAID1

I have just built a new server to host a minecraft server. I have two hdds that are in hardware raid 1, and I have installed Ubuntu Server 11.04 on those disks. My problem is that anytime I reboot I ...