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 can I physically identify a single drive in a RAID array?

I have an external drive bay with 4 eSATA disks in it. My system has a 4-port eSATA card, as well as a pair of internal hardware RAID1 drives. The external drives are in software RAID1 pairs as ...
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0answers
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mdadm raid1 not recognized if the HDs are put in another bay

I have created a RAID1 2TBx2 using mdadm in Ubuntu. The two drives are in an external bay (Icy Box IB-120StU3-Wh Dual Bay Docking Station) connected via USB to the laptop. Everything works fine. ...
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0answers
7 views

NAS JBOD2 2 Drive Raid 0 Enclosure Failure Data Recovery

0 down vote favorite I have a Caldigit Enclosure that had 2 2TB Sata Hard Drives in the unit. The Enclosure seems to have failed during a data recovery operation where the partition was lost during a ...
0
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0answers
9 views

Install Ubuntu 14.04 with RAID 1

I want to install the ubuntu 14.04 desktop LTS on my computer. I have 1 SSD and 2 HDDs and I want to set the SSD as the boot drive and the 2 HDDs as RAID 1. Is this possible and if so, what are the ...
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0answers
5 views

Compatibility of Ubuntu 12.04 with HW RAID part number: L5-25413-17

I am setting up a Linux server with Ubuntu 12.04. I want to use HW RAID part number L5-25413-17. Has anyone successfully done this?
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1answer
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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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2answers
5k views

Driver hp raid controller b120i

I have a problem with a installation of ubuntu 12.04 server on HP SL4540 with raid controller b120i. Ubuntu during installation does not recognize the raid controller, and displays the disk ...
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25 views

Trouble Installing 14.04

9.10 64 Bit works just fine. No later version will install. If I install anything newer than 9.10 I get the error: attempt to read or write outside of disk 'hd0' Boot Repair and all the online ...
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1answer
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How to access MD RAID via Live CD?

We are currently trying to run access the data on a server running a HP Ml110 G5 SATA raid controller, using the latest Ubuntu Live CD. We need to delete a few files to let the server boot into ...
0
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0answers
15 views

Recover Server from recovery mode(firewall closes ports)

My server( Ubuntu 14.04 - Plesk - RAID1 ) is now in normal mode. Almost all ports disabled by firewall as plesk port 8443, so plesk login panel is not opening. Also Website is not opening. ...
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0answers
10 views

dkms.conf location for new build RocketRaid documentation

Noob at work here. I have Ubuntu Server 14.04.03 LTS installed and running. I added a Highpoint RocketRaid 640L internal SATA adapter. I installed 4 drives and have them configured in RAID 5 via the ...
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1answer
13 views

Can I transfer my mdadm Software raid to a new system in case of hardware failure?

I have minimal experience with mdadm and software RAID, but I have a Dell Poweredge T110 II with two separate RAID 0 arrays, a total of two drives each array. I'm anxious that the software setup ...
0
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1answer
6 views

Ubuntu 14.04 fails to recognize FakeRaid volume

I'm trying to setup Ubuntu 14.04 AMD64 on a new machine based on an Asus Z10PE-D8 motherboard with Intel FakeRaid. The boot drive is an SSD with dual boot Windows 7 and Linux. I also have two ...
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0answers
27 views

MaaS node deployment failing on HP Proliant DL380 G5

i have a little lab environment with 3 DL380 G5s. All of them have 2 disks forming RAID 1+0. Got one set up as maas controller with ubuntu 14.04 (had no problem using LVM to install Ubuntu on the ...
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0answers
18 views

Does the 3ware SAS 9750-4i work on 14.04.03 LTS?

I will be installing a 3ware SAS 9750-4i RAID controller hooked up to 2 x 2TB Seagate Surveillance HDDs in a RAID-0 stripe config. My intention is to use Ubuntu 14.04.03 LTS (either Server of DT, not ...
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0answers
11 views

How can I split a partition in a RAID1 array on ubuntu?

I just purchased a brand new server on OVH with disk specification: 2 x480GB of SSD SOFT. When I do df -h, the output is: Filesystem Size Used Avail Use% Mounted on /dev/root 20G 13G ...
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0answers
20 views

Ubuntu 14.04.3 on Acer Aspire S7

I decided to move from Windows 10 to Linux a couple of days ago. I started off by trying to install Mint 17.3 Cinnamon 64bit off of a LiveUSB on to my Acer Aspire S7-391 which is an UEFI-based ...
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0answers
15 views

Hardware RAID controller on Ubuntu Server 14.01 server

It seems Ubuntu Server 14.04.1 does not support Hardware Raid controller (Smart Array B120i - embedded). Are there any drivers that will help support?
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0answers
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Ubuntu Server 14.04 LTS Software Raid1 + LVM setup

Is it possible to software Raid1 + LVM on a already running production server? If possible where can I get instructions please. Many thanks..
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0answers
11 views

Failure to mount raid array after upgrade to 15.10

I need help fixing my RAID arrays. here is what happened: I previously used ubuntu 14.04 with an SDD for the system and two identical 1TB drives as RAID1 array. Each drive is partitioned in two ...
0
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2answers
6k views

How to install software raid 0 on ubuntu 12.04 server with mdadm?

I need to install a software raid-0 array on a Ubuntu 12.04 server with mdadm through commandline (SSH). The drive setup is as follows: SDA = OS SSD SDB = HDD for raid 0 SDC = HDD for raid ...
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0answers
14 views

Migrating from dmraid to mdadm

I have a problem that a 6.9TB RAID5(FakeRaid) logical volume is shown as 3.2TB in Ubuntu. Some study on the web and I found that this may be because dmraid is being used while mdadm has better support ...
2
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1answer
2k views

Is it possible to pause/abort mdadm reshape?

Saturday I added a new drive to my mdadm array, and the reshape process is taking a long time. Unfortunately there's a nasty storm coming, and I'm likely going to lose power, which will probably do ...
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22 views

Raid 5 Array will not start and one drive failing SMART test

First of all please forgive my noobieness but I will try to provide as much info as complete as possible. I had recently experienced a power outage that resulted in my Raid 5 Array from starting. ...
0
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0answers
15 views

samba share encrypted volume

I'm sure this has been answered a thousand times, but I can't find one, so apologies. I'm running Ubuntu 14.04 LTS on a file server, with samba 4.1.6. Shared files are in a RAID volume, ...
0
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1answer
17 views

Intel RAID5 array Shows < 50% space

I created a RAID5 array from the bios of 3 Nos of 4TB disks. Then I created a Volume in Bios which shows as 6.9TB. But in ubuntu this volume is shown as 3.2TB. Why is this so and how can I correct ...
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4answers
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How can I use Kernel 3.19 in 14.04 now?

So I'm rebuilding my storage server. For stability, I want to use Ubuntu server 14.04 LTS as the OS. However, I'm planning to use Btrfs with RAID 5, and this has been greatly improved in kernel 3.19. ...
0
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1answer
42 views

Can't mount hardware RAID 1

Hello I am trying to mount my hardware RAID 1 partition but it gives an error whenever I am trying to do so. Note: I can't do anything to modify its partition since it has a lot of important data. ...
0
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2answers
5k views

Installing Ubuntu 14.04.1 LTS with hardware RAID

I have been having some issues with trying to install Ubuntu off of a live usb. The system has a Intel hardware RAID controller and I wish to run my two HDDs in RAID 1. I have come across and issue ...
0
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0answers
13 views

No HP RAID with ubuntu 12.04

I've just bought a pair of HP DL360 G9's which have an onboard RAID card, I've configured the RAID volume and put in my kickstart CD only to find that individual disks are visible (SDA, SDB, etc) ...
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0answers
16 views

grub rescue on server with lvm+raid1

I have grub rescue > prompt after a power failure. I do have a Ubuntu Live CD. Any procedures on how to install grub on this kind of setup. raid device - md0 boot partition - VG-lv1 raid devices - ...
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2answers
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Setting up RAID 1 on 14.04 with an existing drive

I have a currently installed Seagate ST3000DM001 (about 90% full) and a new Seagate ST3000DM001 (blank). I would like to setup RAID 1 without losing the data on my currently installed drive. If I ...
0
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0answers
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How to install RAID management tool for ubuntu 14.04.3

This is the output of lsb_release -a command; No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 14.04.3 LTS Release: 14.04 Codename: trusty According to ...
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RAID 1 on existing system

I have a system that has been running for over 2 years with one disk. Recently, I brought another disk same size and speed as the current drive. I wanted to add the new drive and convert to a RAID ...
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1answer
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Do I have to configure a server with hardware RAID?

I recently installed Ubuntu Server 14.04 an HP ProLiant ML350 Generation 6 (G6) server, that used run windows, which appears to have RAID controller: The Ubuntu Community Help Wiki says: ...
3
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1answer
80 views

I think I messed up GRUB (RAID installation)

Today I was doing a apt-get dist-upgrade, and a popup showed up, "Do you want to follow without installing grub?" or something like that, and I wrongly pressed YES, So, I have done a apt-get install ...
0
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0answers
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After Installation Ubuntu Server 14.04 Show Blank Screen and can't Login (Problem with Raid)

I have a home server with below specification: - Asus Z87-C motherboard - 2 Internal Network Card (One On board and One PCI) - 2 X HDD 1TB (RAID1-Mirror through motherboard solution - Not Software ...
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0answers
21 views

Setup RAID 10 on RAID10 supported main board failed

I have 4x2T SATA disks and want to build RAID10 on a main borad: Intel Server Board S2600CW2 http://ark.intel.com/products/83027/Intel-Server-Board-S2600CW2. Somethings are quite confusing to me ...
2
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2answers
3k views

btrfs for deduplication and compression at the same time?

I'm thinking about using btrfs functions for both deduplicate and compress my storage... My question is: is it efficient? I mean, does it deduplicate AND compress at the same time efficiently?! I'm ...
0
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0answers
15 views

Ubuntu 14.04.3 LTS - RAID 5 volume vs capacity discrepancies

I currently have a RAID 5 setup on an Ubuntu 14.14 RAID setup includes (3) 2TB disks. The RAID /dev/md127 is showing 4.0 TB in size. Which would be correct I believe on a RAID 5 setup with 6.0 TB in ...
0
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1answer
149 views

Ubuntu server 14.04 LTS black screen after grub

Motherboard: Asus H170-PRO CPU: Intel Core i5-6500 HDD: 1TB x2 From the BIOS I made the following changes: AdvancedMode -> Boot -> Secure Boot -> Os Type = Other OS (instead of Windows) Ez Tuning ...
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2answers
806 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 ...
0
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1answer
34 views

RAID 5 status = “Initialize”

I recently built a PC and loaded 14.04 on it. My motherboard (ASRock z97 Extreme 4) has the capability to run a RAID array built into it (pardon my terminology if I'm wrong, I'm not really that good ...
4
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2answers
1k views

Can't boot after converting lvm2 root to lvm2 raid1

I have Ubuntu 12.10 (no updates, kernel 3.5.0-17-generic) on first HDD (sda), which uses MBR and was partitioned as "Use whole disk for ubuntu" with LVM2 enabled. Root filesystem is on LVM2 ...
0
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0answers
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Need help RAID + UEFI + boot crash

I have a server in RAID 1 with Ubuntu 14.04 LTS. Because of UEFI I could not install boot in raid so I left the boot on one of the hard drive. The problem I have is that the HDD drive where the ...
0
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0answers
18 views

Cache a (non-root) hdd which already has data on it with bcache - possible?

Could not find any recent info on this subject, so here goes! I have a small home server with 2 disks: SSD (120 gb), formatted as /ext4 which has an Ubuntu Server 15.10 install (including /home, ...
2
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1answer
3k views

/dev/disk/by-uuid/XXXXX does not exist dropping to a shell

I have just installed ubuntu 14.04 and when I reboot and remove the media I get the Gave up waiting for root device. Common problems: -Boot args (cat /proc/cmdline) -check rootdelay= (did the ...
0
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0answers
17 views

Setting up a RAID 1 NAS with a seperate OS HDD?

So I'm a solid ubuntu-amateur with only a year of experience or so hoping to put together an ubuntu-samba file server and looking to learn more. I have seen a couple tutorials however the tutorials ...
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1answer
119 views

Fixing a broken RAID5 using mdmadm on Ubuntu 12.04 [QNAP device]

One of our QNAP NAS had gone down while alerting on disk thus they were all working/accessible on the array. And I'm trying to recover the DATA as the QNAP NAS neither boots nor responds with/without ...
0
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1answer
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How to configure existing raid after upgrading to 14.04 from 11

I have a pci raid controller, with two 250G drives. Configured this to work on ubuntu 11 a few years back. Have since forgotten much about the details of this configuration (i.e. software, hardware, ...