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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12.04 unable to boot on /sde, upgrade-grub and boot-repair failed
My problem is I've 4 disks in a raid array listed as sda, sdb... sdd and grub 2 refuses to boot on /sde (the 5th disk, standalone and containing a clean install of 12.04 LTS).
I tried all solutions ...
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0answers
92 views
raid device name and UUID changed after power failure
After a power failure, my machine comes up but doesn't mount the raid disk because it isn't found (correctly). Using mdadm --examine on the partitions making up the raid device, I found that they are ...
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1answer
130 views
Cron script to detect degraded raid array?
To my surprise, my raid array entered degraded mode some time ago. How can I set up a cron job to warn me? I've tried from the mdadm man page:
Running
mdadm --monitor --scan -1
from a cron script ...
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1answer
2k views
Unable to Install GRUB in /dev/sda on raid drives
I'm trying to install 12.04LTS on a server but keep running into the unable to install grub error like so "Unable to Install GRUB in /dev/sda". The drives are in raid1 and I'm using fakeraid on a ...
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0answers
84 views
Can't start system due to mdadm failing
I used to have a 5-disk RAID5 partition, all working very well. I have then decided to add 3 more disks on it, totaling 8 equal disks. I've opened Webmin and just asked to add the disks.
Then I've ...
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2answers
403 views
Ubuntu 12.04.1 SW RAID GRUB “out of disk”, but works when I remove one disk
I have installed Ubuntu 12.04.1 LTS AMD64 on an old Dell D630 with 2x 1 TB HDDs in a RAID1 array. The second disk is located in the D630's media bay where the CDROM used to sit. This setup works ...
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1answer
234 views
How to re-add RAID-10 dropped drive? [closed]
I have a problem that I can't seem to solve. We have a Ubuntu server setup with RAID-10 and two of the drives dropped out of the array. When I try to re-add them using the following command:
mdadm ...
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1answer
3k views
RAID 5 Install on Ubuntu Server 12.04
Environment: Ubuntu Server 12.04, tried installing from bootable flash drive.
Got the following error: No root file system is defined. Please correct this from the partitioning menu.
I'm trying to ...
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1answer
66 views
Ubuntu 10.04 LTS hangs at 43% of starting up partitioning disks
I have set up hardware raid 1 with two SAS drives using the Adptec 6405E controller. I am having a problem when installing Ubuntu 10.04 LTS as it hangs at 43 % when partitioning disk drives. So far ...
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2answers
120 views
How to be warned if RAID 1 fails on Ubuntu 10.04
Good day,
I have set up an ubuntu 10.04 LTS server with RAID 1. How can I can ensure that I am warned when the raid array fails. Is there a script to run that can check this and generate an email if ...
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84 views
Migrate linux from software RAID (mdx) to hardware RAID
Current situation:
Dell PowerEdge T300 server (SAS6/iR controller) (RAID 0/1)
Ubuntu 10.04 LTS
server installed on software raid (2x500GB) + LVM. Currently used
space 25GB.
Questions:
How to ...
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61 views
Expanding RAID-5
I'm new to RAID and trying to get my head around things. I have owned a Drobo in the past (which I liked) but it failed.
Here's a hypothetical scenario:
Assume I set up a RAID-5 array consisting of ...
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1answer
883 views
How should a RAID partition be created and configured using parted?
For testing I want to create a mirrored (RAID 1) partition with a size of 1GB on /dev/sdb and /dev/sdc. When it comes to partitioning, I want to used parted, how should I create the partition I want ...
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961 views
Ubuntu upgrade to 12.10 broke raid [closed]
I have a desktop machine on which I installed Ubuntu a couple years ago and everything has been working just fine. I have 4 disks, three of which are set-up in a RAID 5 configuration (Software RAID ...
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1answer
110 views
Is it possible to emulate a (windows) raid controller to recover a raid1 mirror?
So, Im gonna make a point to ask this question a couple of ways for the sake of wording, and how it might trigger a memory that someone might have experience.
Heres what I have:
1. Two hard drives ...
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200 views
How can i mount a single Raid1 drive to recover files?
So, I had 2 drives, 2TB each
half the disk was "Raid0" the other half was "Raid1"(mirror)
So what i need to do is take the single drive, and mount the raid1 and get files off it.
This raid is a bios ...
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100 views
Raid 5 harddrive failed but smart says its fine. Should I replace?
I have being running on three 2TB hard drives in software raid for a little under a year how under Ubuntu Server.
After restarting my computer mdadm would not allow a boot because the raid was ...
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571 views
guide/suggestions install ubuntu 12.04 fakeraid dual boot system?
Is there a guide to install ubuntu 12.04 in a fakeraid? (multiboot os)
What are the pitfalls or special points to be careful about?
Must I use the alternate iso version, or can I use the standard ...
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2answers
2k views
Installing Ubuntu with Fake RAID 1
I had:
Software:
Dual boot with
Windows XP
Ubuntu 10.04 LTS x32
Hardware
Fake RAID 1 (mirroring) with 2x1 TB:
Partition 1 - Windows
Partition 2 - SWAP
Partition 3 - / (root)
Partition 4 - ...
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1answer
101 views
Installing applications on a usb drive
I'm running Ubuntu off an 8gb USB drive but it's almost full; is there a way to install my applications on a different USB drive. It's been suggested that RAID 1 will work but will that just duplicate ...
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2answers
484 views
Removing mdadm array and converting to regular disks while preserving data
I have a 6 disk (2TB each) mdadm RAID 5 volume created in Ubuntu 12.04 Server. However, I'm moving to a different solution and want to "unraid" my disks but keep the data. Only 50% is in use.
From ...
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120 views
WUBI no longer supports install to fakeraid?
About a week ago I used WUBI to install Ubuntu onto one of my two RAID1 devices in Windows 7.
I tried to do the same this week on the same mobo/drive combo and now I can't get it to install. It ...
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1answer
592 views
Ubuntu Messed up my Grub [duplicate]
Possible Duplicate:
Ubuntu does not put Fedora into GRUB menu
I have Windows XP Installed, and i have installed Fedora 15, yesterday. Updated it today to 17, and installed Ubuntu. After ...
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220 views
“cannot find a GRUB device” on RAID0 system on update
After the grub package updated today, the new version couldn't install itself properly.
All the standard GRUB related commands throw the following:
/usr/sbin/grub-probe: error: cannot find a GRUB ...
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113 views
Where Can I Find The Drivers of LSISAS2308 for UBUNTU 10.04.4 LTS 32-bit?
Does any have or know how to download the drivers of LSISAS2308 (on board RAID Controller) for UBUNTU 10.40.4 LTS 32-bit ?
Thank you..
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1answer
263 views
How to fix boot error for install on a RAID 5 configuration
I'm trying to install ubuntu onto a 6TB virtual disk (3 3TB drives in a RAID 5 configuration).
I thought I had it all ready to go. But it doesn't boot.
So, then I tried boot-repair, which claimed ...
2
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1answer
318 views
Relocate mount point from new install
Rookie here!
Just re-installed Ubuntu 12.03 server on my boot drive and it found my raid five array and assigned the following /dev/md/0 point.
I would prefer to relocate the mount point to dev/md0 ...
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0answers
145 views
How to see my other raid partitions?
I have tried to get lower power consumption for home solar system. Tried multi-seat. Gave the new Windows Multi server(12) a try but my partner found flash player games graphics too slow soooo - ...
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1answer
116 views
Running Windows 7 64bit on Raid 0
Can I install ubuntu 12.04 alternate from the CD (Full Complete Install) without tearing down my present Raid Configuration?
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1answer
108 views
How to reinstall server
Since I got a blank screen after installation, I tried to reinstall the server OS 12.04 using the CD.
This time after the country and login information are given, it asks me to specify some scsi ...
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1answer
245 views
ubuntu server 12.04 new installation does not boot
I've just installed server 12.04 on a new machine.
It's got two network cards and two hard drives.
During installation it asked me if I wanted to make it RAID and I said ok to that.
Finally, it ...
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1answer
2k views
Raid 1 can't install Ubuntu 12.04
I am trying to install Ubuntu desktop on HP Compaq 8000 from an Ubuntu live CD. I connected two disks in RAID, but in installation type, I can't select nothing.
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1answer
134 views
Hard disk raid data lost after restart
I have Ubuntu 12.04 and two disks working via raid. In BIOS I have set them up to use raid. After I restart computer all data changes are lost. I had these drives in another computer, and they worked ...
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1answer
230 views
Hard time installing Ubuntu
I have a MSI GT780DXR that currently is booting windows 7. I've been trying to dual boot windows 7 and ubuntu for some time now.
Here's specs that I think would make a difference
Windows 7
500GB*2 ...
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283 views
Please change AHCI driver back to module in 12.10 [closed]
AHCI is build-in kernel since 12.04, but our customer is need to install our software RAID AHCI module support for ubuntu. Although We found a method to unbind original AHCI , but still hope you can ...
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1answer
195 views
OS drive failure and RAID5 mdadm question
I'm fairly new to Ubuntu but I was able to setup my server with RAID5. The OS resides on a separate drive and there are 3 drives in my array.
The problem is that I had to reinstall my OS on a new ...
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0answers
278 views
Server boot degraded RAID
I've installed Ubuntu 12.04.1 in a new server and set up the 4 hard drives with 3 RAID 1 devices, the configuration is such that the first two drives have md0 (swap space) and md1 (/) with the third ...
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0answers
58 views
Can I install new version of Ubuntu in spare RAIDed partition with unetbootin
I have Ubuntu 11.04 running on my home desktop which has 2 hard drives mirrored by RAID.
The drives are partitioned with a big data partition, a swap partition and a couple of 20Gb partitions for ...
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2answers
209 views
Install to a RAID 0 array from Windows
I have an ASUS MB with an NVIDIA RAID 0 array set up as my boot disc with 200Gb unformatted ready for Ubuntu. Will WUBI install onto this?
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0answers
205 views
How to mount an existing RAID device after a clean installation of Ubuntu?
So I created a RAID device (RAID5 with 4 drives) on Ubuntu 10.04. I did an upgrade to 12.04 but failed and the system won't boot correctly anymore. I am thinking about to do a clean installation of ...
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1answer
202 views
Don't want RAID to autostart
I have software RAID in my system, and I would REALLY like it NOT to automatically start at system boot.
Ubuntu system is installed on a partition not on a RAID (no need whatsoever to start raid for ...
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1answer
528 views
12.04 LTS on Dell PowerEdge T300 installs, but won't boot
I'm trying to get 12.04 LTS 64-bit up and running on a Dell PowerEdge T300 Server with the Dell SAS 6/iR RAID controller (LSI SAS1068E chipset).
Ubuntu installs just fine, doesn't report any errors, ...
4
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1answer
779 views
GRUB could not find Windows 7 after installing Ubuntu - RAID 0
I just purchased a new computer with two 256 GB SSDs configured in RAID 0. It came pre-installed with Windows 7, but I wanted at least one Linux distribution installed as well. So, I tried ...
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2answers
2k views
What is the best filesystem for my needs in 12.04? [closed]
I'm building NAS for my personal use. 3-5 computers as load. Mostly video streaming, upload download of big files 10GB or so(70% of future load), photo editing (20%), office stuff(10%). I'm expecting ...
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1answer
515 views
Help rebuilding raid1 array?
I'm running 10.04 LTS Desktop 64bit, with two identical disks set up as a raid 1 array. Last week I kicked the power lead from the back of the PC Using the rescue disk to repair grub, I can now boot ...
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6answers
286 views
What advantages do RAID installations provide?
"Redundant Array of Independent Disks "RAID" is a method of using multiple disks to provide different balances of increasing data reliability and/or increasing input/output performance, depending on ...
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0answers
883 views
Bootloader error Ubuntu 12.04, system goes to Grub-rescue instead of booting
I am trying to install ubuntu 12.04 on my system but it is constantly giving me bootloader install fail error.
I have tried to lot to solve this issue but reading articles over the internet but still ...
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0answers
36 views
Marvel Raid 0 compatibility and virtualization
Does ubuntu support Marvel Raid 0 by default or I have to use some additional procedures.
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0answers
106 views
RAID 5 with Separate Failed Boot Disk
I'm building a new file server and am weighing the pros and cons of trying to implement ZFS vs a software RAID 5.
In a hypothetical situation where I have 5 disks: 1 60G SSD (the boot drive), and 4 ...
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206 views
Dual Boot across RAID/IDE and Ubuntu/Windows?
I have a new x79 motherboard. In the bios I put the SATA config into RAID mode, then connected two harddrives and put them in RAID 0 using the Intel controller. I then installed Ubuntu 12.04. It ...
