0
votes
1answer
18 views

Format system and preserve RAID

I have a system on an SSD, and beside that, a set of 4 disks are connected over software RAID 5. I have a problem with that system now and I'd like to format that system and install a new one. If I ...
1
vote
0answers
24 views

Install Ubuntu on Hardware Raid 1 server , message partition disk

The installer has detected that the following disks have mounted partitions: /dev/sda/ Do you want the installer to try and unmount the partitions on these disks before continuing? If you leave ...
1
vote
1answer
51 views

Windows recovery can't find Windows install

I'm trying to repair my boot loader for Windows after a Ubuntu install killed it. I'm trying to use the Windows Repair CD (actually USB stick), but Windows recovery can't find my Windows install. I ...
0
votes
1answer
21 views

Best RAID Solution for dual boot?

I've seen this topic talked about before on this site but with other users using 2 drives for the active partition (booting from the same HDD thats got RAID) however my situation is a bit different. ...
0
votes
0answers
31 views

How to detect RAID 0 from Ubuntu Live CD?

I have Ubuntu 10.04 installed on a server with RAID 0 configuration. The server has many user accounts and the users have a lot of data in the server. The server has been crashed due to removal of ...
0
votes
0answers
158 views

HP ProLiant ML350e Gen8 - Ubuntu 14.04 LTS [closed]

I was researching about new Ubuntu Server 14.04 LTS and the Proliant ML350e Gen8 with B120i RAID controller and I found that HP certified Ubuntu without RAID engine on 12.04 server version, but now I ...
0
votes
0answers
14 views

Ubuntu boot through failed RAID

I have a large media partition as a separate RAID5 on my Ubuntu server. The server is not easily accessible, so I need it to continue the boot process in all but the most dire circumstances. Right ...
0
votes
1answer
47 views

Linux raid questions: How to boot if one drive fails?

I am setting up a linux server with two drives in an mdadm created raid 1. All the online help I fine says to create your partitions and then create an md0 raid volume using something like sda1 and ...
0
votes
0answers
141 views

How do I update the firmware on an LSI 9650SE-8lpml (Ubuntu)

I have heard that I can put my 3tb and 4tb drives to use in raid with my LSI card if I update the firmware. So I went to the LSI site and downloaded the newer firmware...but how do I update it? I ...
0
votes
1answer
39 views

mdadm large memory consumption

Hi i'm build mdadm RAID 6 (8 WD Red 3 Tb) on ubuntu 13.10x64 server with ext4 fs When i download torrent on the array, server RAM is filled for maximum cap (8 Gb) memory is free when i manualy enter ...
0
votes
0answers
11 views

I want to delete a Raid 1+0 stripe array

Currently I have a raid card running two drives in an RAID 1+0 stripe. I want to know can I remove the raid card and have the computer operate on one drive. Without having to reload Windows. I suspect ...
2
votes
2answers
151 views

re-add to RAID1 is not possible

On Kubuntu 13.10 I have two hdd: sdb 1TB with two partitions - one in RAID1 and second is simple. Second hdd sda 500GB is whole in RAID1. Once I unpluged second hdd, put there some other hdd ...
0
votes
0answers
190 views

Ubuntu Server Install with RAID 5 on GPT partitions

Does anyone know of a good step-by-step tutorial for doing this. I've trying for ages to install Ubuntu Server with RAID 5 on GPT partitions, but even when it installs successfully, I am unable to ...
0
votes
0answers
105 views

XEN Storage Repository (xe se-create) on Encrypted Raid 5 with LVM fails/resync

I am messing around with an ubuntu 13.04 installation. What I have: XEN Software Raid 5 LVM on top What I want: A storage repository for XEN as a logical volume The issue: "sr" does not work ...
1
vote
2answers
264 views

RAID degraded, partitions missing

We're having a very weird issue at work. Our Ubuntu server has 6 drives, set up with RAID1 as follows: /dev/md0, consisting of: /dev/sda1 /dev/sdb1 /dev/md1, consisting of: /dev/sda2 /dev/sdb2 ...
0
votes
1answer
91 views

Raid5 reconstruction is extremely slow

Three days ago added another drive to my RAID5 array with 3 drives, each drive is 4TB. Since then than only 42% has been completed MegaCli64 -LDRecon ShowProg L0 -a0 ...
0
votes
1answer
347 views

Ubuntu failed to detect MegaRaid lsi

Ubuntu(12.04) doesn't see HDS connected to MegaRaid. I have tried upgrading the framework, installed the driver, verified it was installed, rebooted the system and still don't see the drives connected ...
0
votes
0answers
37 views

Ubuntu RAID hardware update

I have a RAID1 (Intel Raid controller), but I have more 2 slots in my server and I'll put there more 2 disks to create another RAID1. I never did it, the only thing I did is simply add standalone ...
0
votes
0answers
64 views

Raid drives missing filesystem

I recently had to do some troubleshooting with a RAID 5 on Ubuntu Server (a software raid). I ended up removing everything and start from scratch with 2 new drives. So I took out 2 out of 4 drives, ...
7
votes
4answers
479 views

One of two RAID 1s is not recognized in Ubuntu 13.04

I have a 256GB SSD (Ubuntu/Win8), and two 1TB drives in RAID 1. The problem is that I just recently added another two drives that are 4TB in RAID 1 but they aren't detected in Ubuntu as one drive but ...
1
vote
2answers
173 views

RAID on partitions or devices

I plan to create a software-only Linux MD RAID10 array from two identical 1TB discs (using mdadm). Should I create it directly on the two disc devices (/dev/sda and /dev/sdb) or create a partition in ...
0
votes
1answer
491 views

how to add two disks as raid1 in existing ubuntu 12 server

I have Ubuntu 12 server running on a usb stick. I have one 2tb HD (B) and one 1 TB (C)that I want to configure in a RAID1 configuration. I want to partition the 2 tb drive into 4 equal sized ...
0
votes
1answer
43 views

Logistics of a large data transfer

This is the setup: I have a Ubuntu server that is doing the heavily lifting. Its pulls backups from an NFS and puts them on a Drobo device connected via USB using rsync. The Drobo has two seperate ...
1
vote
0answers
86 views

How to add extra sata drives to desktop server

I have an ubuntu 12.04 machine with a raid using mdadm. The motherboard has 8 sata ports which are all being used, and I would like to add more hard drives to it. What's the easiest/best way to add a ...
0
votes
1answer
237 views

UEFI and RAID1 Nightmare

1 CPU: AMD FX-8150 Zambezi 3.6Ghz Socket AM3+ 125W 8-core RAM: CORSAIR Vengeance LP 16Gb (4x4Gb) 240-Pin DDR3 SDRAM 1866 CML16GX3M4A1866C9B Mobo: ASUS M5A97 LE R2.0 AMD 970 PSU: Thermaltake TR2 ...
0
votes
3answers
155 views

Continious mirroring of the whole notebook hard drive into a file on the exernal usb hard drive in Ubuntu Linux

What I need to have continious mirroring of the whole notebook hard drive into a file on the exernal usb hard drive. Sometimes the external drive could be unplugged. I'm running Ubuntu Linux.
1
vote
0answers
1k views

Trouble Mounting (Intel) RAID in Debian

I am switching to Debian from Ubuntu and so far all is good, however, I can't get Debian to read one RIAD drives. I have three physical drives setup, using Intel Matrix Manager, for a RAID5 volume ...
2
votes
1answer
205 views

iostat numbers wrong when used with mdadm?

See the nubmers below for /dev/sdb1, /dev/sdc1, /dev/sdd1, /dev/sde1: $ iostat -dxm && cat /proc/mdstat Linux 3.5.0-17-generic (avarice) 12-12-29 _x86_64_ (2 CPU) Device: ...
2
votes
0answers
190 views

How to create RAID array using Disks app in Ubuntu 12.10?

Ubuntu 12.10 has an app called Disks that used to be called "Disk Utility" and "palimpsest". This tool used to be able to create RAID arrays, but on a clean install of Ubuntu 12.10, the app no longer ...
0
votes
1answer
2k views

What RAID to use for my home server? [duplicate]

Possible Duplicate: RAID for home use I am setting up a home server to stream media to and I am unsure about what RAID to go for. Either 5, 6 or 10? Leaning towards RAID 6 due to fault ...
2
votes
0answers
383 views

Cloning Ubuntu mdadm RAID1

I would like to clone a pair of RAID1 drives created with mdadm. I've tried Clonezilla, but there's no native support for mdadm, so it resorts to using dd which is incredibly slow. I've looked for ...
1
vote
1answer
185 views

how to boot without assemblying raid arrays (or assembling them correctly)

I had one debian 6 system with two harddisks on raid1 set up via mdadm. built on simple partitions (/dev/sdb3, /dev/sdc3). at least on the old system, everything is tied up via UUIDs. then i inserted ...
0
votes
0answers
218 views

Post raid5 setup reboot shows single hard drive failure on ubuntu 12.10?

I just set up raid 5 on linux using three HDDs as per a guide. It all went fine until when I rebooted I got the following text: http://i.stack.imgur.com/Zsfjk.jpg. Does this mean one of my HDDs has ...
0
votes
1answer
238 views

Optimal disk configuration for Ubuntu home file server

I'm setting up a small Ubuntu file server at home using these 4 hard drives: WD Green 2TB (SATA3, 5400 RPM, 64MB cache) WD Black 640GB (SATA2, 7200 RPM, 32MB cache) 2x WD Blue 1TB (SATA3, 7200 RPM, ...
1
vote
0answers
733 views

grub refuses to install to raid array

I have a software raid 0 setup with dual booting Windows 7 and Ubuntu 12.04. The GRUB bootloader that is already on the hard drive seems to work fine. However, since the latest package update for ...
3
votes
2answers
127 views

Can a non-redundant RAID5 cause any serious problems (compared to RAID0)?

I used to have a three-disc RAID5 (mdadm) in my computer for personal media storage (music, videos, photos, programs, games, ...). It had three discs with 750 GB each, resulting in an array capacity ...
2
votes
1answer
196 views

Booting Ubuntu with a RAID-1 Boot Failure

I'm planning on picking up 2 SSD cards for my file server and installing Ubuntu on them using softRAID-1. I will not be keeping a hot spare, so I want to make sure that, if one drive fails, I can ...
2
votes
2answers
1k views

Testing software RAID5 by pulling a HDD live. Bad idea?

I'm running Ubuntu Server 10.10, with software RAID5 and LVM running on top of that. I have four 2TB HDDs. I also have a separate boot drive with incremental full-system snapshots that run every four ...
1
vote
2answers
1k views

Recovering data from RAID1 drive

I have recently received one of the two 1TB drives I had on a dedicated server. The drives were mirrored and the server was running CentOS 5.6. I've installed it in an USB enclosure and tried ...
0
votes
1answer
939 views

How do I reinitialise a failed RAID 5 drive using terminal on Ubuntu Server

I've currently put together a new system and part of that has been creating a software RAID 5 using 'mdadm' in Ubuntu Server. I successfully got to the point where I create the array using: sudo ...
0
votes
1answer
1k views

Ubuntu RAID 1 Booting

I'm trying to install Ubuntu using RAID 1. In this case I have 2 harddisks with equal size to be used for RAID. I've been able to configure RAID 1 when installing localhost:~# cat /proc/mdstat ...
0
votes
1answer
574 views

Kubuntu 11.10: Random IO errors on HDD in RAID1 array. RMA time?

I'm pretty sure I have a failing HDD here, but just want to make sure it's not some software error before I do the whole RMA song and dance routine with Western Digital. Bascially, I have a <6 ...
5
votes
4answers
2k views

RAID 1 on 2 external HDDs

I have an Ubuntu 12.04 server on my old laptop. Its HDD (160 GB) is too small for the file storage I need, so I'd like to attach a couple of external HDDs to it (through USB ports). The data I'll keep ...
0
votes
1answer
50 views

RAID Storage shared between OSs

What is the best solution to my problem regarding a shared RAID between two OSs? I'm planning on installing Win7 and Ubuntu in dual boot, either on the same SSD or two seperate. I also want to have ...
1
vote
2answers
8k views

Ubuntu 12.04 - Add RAID 1 Array on existing device?

I read How can I add a RAID 1 array in Ubuntu 10.04 and Installing Raid 1 on Existing Ubuntu Server. However, I only have the following 2 hard drives: dev/sdb1 where Ubuntu 12.04 is currently ...
2
votes
1answer
855 views

Using Ubuntu to extract data from an unrecognized hard drive

My Lacie Quadra hard disk MAX external hard drive has stopped being recognized by my PC after a year. I tried everything and ended up opening the casing and extracting the two 1TB hard drives that ...
1
vote
0answers
598 views

Ubuntu raid configuration lost after reboot

I have a JMicron raid controller on the motherboard, and I have a menu in which I can set RAID arrays when the system boots. I've set it to RAID-1 and added my two identical 2TB disks (the OS disk is ...
1
vote
1answer
804 views

Simple Ubuntu Server - Expanding disk space - adding a new drive LVM, RAID0 existing setup - how?

I have a 1TB ext4 partition mounted at / with all my data and Ubuntu 11.04 (natty) installed. Now this drive is almost full (I used it as a database server for some processing). RAID0 is ok, I can ...
2
votes
3answers
457 views

Is it possible to clean install Ubuntu onto new HDDs whilst running existing system?

I currently have Ubuntu 11.04 installed on a single non-RAID 160GB hard drive. I've just bought some 500GB drives and want to end up with Ubuntu 11.04 installed on a RAID 1 array with exactly the ...
0
votes
1answer
853 views

mdadm - software raid

I set up a small raid based Ubuntu 11.04 server machine and have just received this email from it. How can i verify or check this ? Richard This is an automatically generated mail message from ...