LVM is a logical volume manager for the Linux kernel

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unable to mount lvm partition

Hi I am trying to mount a new Logical volume. I am on ubuntu server 13.04. I have created the lv using the rest of the disk space. I am receiving this error : NTFS signature is missing. Failed to ...
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Setting Up RAID During 13.04 Install

I am attempting to install Ubuntu 13.04 Desktop on RAID 5, but I can't figure out how to do it. I have read that it can be done during the install, though I haven't found a good explanation of how ...
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Questions about full disk encryption

Completely new user here, I've been reading for a couple of hours about ubuntu's full disk encryption but I just don't understand some basic points. When installing ubuntu's full disk encryption, ...
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How can I install Ubuntu encrypted with LUKS with dual-boot?

Ubuntu 13.04 installation disk has an option to install Ubuntu encrypted using LUKS. However, there is no option to perform an encrypted installation along-side existing partitions for a dual-boot ...
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How to fix Ubuntu server 13.04 slower boot when network cable is unplugged

I have noticed that when I unplug the network cable, system waits about 100 seconds to configure the network, So I edited /etc/init/failsafe.conf and comment two wait() lines (thanks to tutorial here) ...
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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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Bad HDD in LVM recovery time at boot

My server/desktop started reporting read errors on a HDD in my 16 drive lvm. The drive is a 2TB WD EARS model. While I have a backup from April, I'd rather not loose the last month of changes, or ...
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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 ...
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Can I add LUKS/LVM to an already installed Ubuntu system?

I know how to install a LUKS/LVM Ubuntu system using the alternative CD. Is it possible to do this with an already installed normal system? Meaning that I have an unecrypted system now and don't want ...
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Manual LVM encryption setup with Ubuntu 13.04

I am trying hard to get ubiquity works. The thing is that I want to setup Ubuntu 13.04 on a full encrypted LVM aside a Windows installation. So I can't use the default option of full disk encryption. ...
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Does LVM enable me to resize my /home partition?

With 13.04 here, I'm planning on wiping my computer and reinstalling. I have two hard drives, and I've heard that LVM allows the two drives to work together, as if they are a single drive. I've also ...
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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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How can I access my Ubuntu boot disk files as external USB disk on Centos 6.3?

Not sure whether this would be more appropriate in a Centos forum, but I'll post it here for starters as I am more comfortable and familiar with Ubuntu. I recently purchased a server with Centos 6.3 ...
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122 views

Where can I find what filesystem lvm2 uses/

After a default installation of Xubuntu (12.10) on a SSD card, I now have the following set up: A SATA disk: /dev/sda1 --> extended /dev/sda5 --> ext4 (mount point: /media/mark/ A SSD disk: ...
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How to migrate Ubuntu12.04 to LVM without any data loss

The current system is installed on the traditional disk, now I want to migrate it to LVM managed disk, how can I migrate it without any data loss? I'm working with vSphere, so I can add and remove ...
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662 views

Shrink extended partition containing lvm

I have been bashing my head against the wall, regretting ever having opted into using LVM. I need to shrink the 75GB /dev/sda2/ to make room for a new OS installation. To do this, I need to shrink ...
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How to get the grub boot menu in a encrypted single-boot ubuntu system?

Some time ago I installed Ubuntu 12.04.2 from the alternate CD, and choose the option of full-disk encryption. Now I tried to install the proprietary FGLRX driver, but the system lost power halfway in ...
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Rescue system with dmraid (12.04LTS)

I've installed ubuntu into a fakeraid (dmraid). I used fakeraid because I'll need to dual boot with my Windows 8, which isn't still installed. My array and its partitions looks like the following ...
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How to unlock partition in Gparted? [duplicate]

Im new in using Ubuntu and I cant seem to make any partitions for a new dual boot OS and the swap file or for any other matter i would want to use the partition because the drive is locked. I have ...
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Buffer I/O error on device sdb after dmsetup

I reinstalled a server which was obsolete for its normal business. There is a RAID controller inside with 2 HDD's (80GB each, with Ubuntu 12.04.2 Server installed) and 4 SSD's (32GB each) with a ...
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help me understand lvm initial setup loop device

I have a (very) rough understanding of what lvm is, I'm finding it a little hard to grasp loop devices however. Anyway here's my issue: Someone ran an Ubuntu server install for me and probably went ...
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What happens when I expanding LVM+eCryptfs Volume (regarding encryption)

My system had a Windows partition using the beginning of a 500 GB disk, followed by a LVM setup with a Volume Group and several Logical Volumes (encrypted home, root, swap). I deleted the Windows ...
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How to create a LVM Partition/physical volume > 2TB

I was following this tutorial found here: How to set up multiple hard drives as one volume? Which was working out great however i have a 3TB drive and every time i create the partition (whether it be ...
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can I easily migrate a working root system from non-LVM partitions to LVM partitions?

I am running an ubuntu 12.04 system with a lot of modifications on a system with two (identical) harddisks. At the moment those are not running any LVM partitions. I would like to start using LVM, but ...
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lvm disappeared after disc replacement on raid10

here my problem: I am running ubuntu 12.04 on a raid10 (4 disks), on top of which I installed an lvm with two volume groups (one for /, one for /home). The layout of the disks are as follows: Disk ...
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Are there any LVM gotchas?

I have been playing around with LVM on a virtual machine. Until now I have found only advantages on it and I'm thinking about using it on my real machine the next time I do a fresh install. I have ...
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361 views

Remove lvm to install Ubuntu

I am trying to install Ubuntu. However I have an lvm on the drive I want to install Ubuntu on. Gparted cannot remove the lvm which is /dev/sda6. How can I remove the lvm to instal lvm over it?
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343 views

How to configure and run hadoop cluster on LVM(Logical Volume Manager)

Well i am new to the concepts of LVM(Local Volume Manager) and have create volumes in Ubuntu Actually I am using windows and putty.Now i have also created LVM in that putty. My question is whether ...
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151 views

Full disk encryption - adding disk

I've installed Ubuntu 12.04 Server using the encrypted volume with LVM option. I've now added another harddrive, that I wish to encrypt using the same key - and only supply key once during boot. How ...
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1answer
4k views

Mount Logical Volume failing

I'm trying to mount my logical volume and get the following error: root@mediaserver:/home/jon# mount /dev/mediaserver/homeserver /media mount: you must specify the filesystem type So I tried to ...
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How do I resize an encrypted LVM to install another copy of Ubuntu?

I have an old PowerBook which has been happily running Ubuntu Server for a few months. Now I want to repartition the hard drive and install Ubuntu Client, while keeping my existing installation ...
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How to migrate an encrypted LVM install to a new disk

I have a somewhat customised laptop install I want to move to a SSD directly, without having to reinstall Ubuntu, reinstall all the apps and make all the other changes again. The SSD is smaller, so I ...
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MD + LUKS + LVM will not cleanly shutdown

My setup is currently raid1 + luks on each md partition and lvm on top to stripe between the arrays. There is only one volume group with one logical volume currently. sdc ...
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LVM encryption: How does it work?

I set up LVM partitions on Debian (which is the same as doing it on Ubuntu). How does it impact performance and how secure is it? Do I need to have access to the console when it reboots to provide ...
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Access/mount the partitions inside an LVM2-based disk of a shut-down KVM guest?

On the KVM host how can I mount the volumes on the disk of a KVM guest that has been shut down, if the disk was configured to be an LVM2-based volume? The KVM guest was installed using the normal ...
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new 12.04 on existing lvm with encrypted /home - cannot login?

After a few unsuccessful installation attempts I finally found this guide that looked all set to solve all my problems. After following it however - reinstalling and doing the "Repair the boot image ...
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331 views

How to install Ubuntu Server 12.10 on Proliant Microserver?

I am trying to install Ubuntu Server 12.10 on my Proliant Microserver N40L but I am having problems. I want to install it on the 5th drive, connected to the 5th Sata port. Everything seems fine until ...
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256 views

Use LUKS and LVM on install to external drive

So I have a laptop running Backtrack 5 R3 using LUKS and LVM, manually configured, and I'm trying to install Ubuntu 12.10 to a USB 3 external drive and use LUKS and LVM on that as well, but I can't ...
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Problem with LVM over mdadm with NTFS. Is it possible?

I am a bit of a linux newbie, and i have come across an error that i dont really know how to troubleshoot. my idea is to cram 6TiB drives into a box, make three sets of raid1, then stretch a logical ...
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How to shrink Ubuntu LVM logical and physical volumes?

I have installed Ubuntu 12.10 as the only OS on my system. I told Ubuntu to overwrite everything as I was in a hurry, hence I only have the two partitions Ubuntu creates, the Boot Partition of a ...
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Performance tuning/diagnotics help needed… (12.04LTS 64bit, LVM, & LUKS)

I just performed a fresh install of 12.04LTS 64-bit, using the alternate CD, with LVM and LUKS. Install went fine but I've noticed a few quirks and was hoping for some pointers/suggestions from the ...
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Manually installing Ubuntu 12.10 with LVM

I have a 8 GB flash drive. I need it to install Ubuntu with encrypted LVM. When I use automatic partitioning everything is be okay and works. But the machine sets 2 gigabytes SWAP, an unreasonably ...
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1answer
468 views

ext4 filesystem wrongly detected as jmicron_raid_member

I have an installation of Ubuntu 12.04 on an SSD disk that I'm unable to boot after a kernel upgrade and a reboot. Additional things that might be a possible cause is that I did some cleanup (dpkg -r) ...
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1answer
196 views

Hardware RAID1 device is the wrong size/too small?

My motherboard has an Intel RAID controller. I set up 2x3TB HDD in RAID1 named "Home". This should make a single device that is about 3TB. This is what I end up with: # fdisk -l Disk /dev/sda: 240.1 ...
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12.10 installation with LUKS encryption & LVM in EFI mode

I try to figure out how to perform an installation of Ubuntu 12.10 (EFI Mode) with LUKS encryption and LVM scheme. What I've done so far: Booted on a GParted Live CD 0.14.1-6 in "EFI mode only" (in ...
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What grub modules are necessary to boot from LVM on a DOS partition?

I am trying to make my Ubuntu machine boot from a /boot LVM, and it seems that the default core.img does not support LVM, so I am trying to figure out what modules I need to supply to grub-mkimage in ...
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LVM mounted ubuntu 12.04. No space left on device

I have a logical volume that is 2.44 TB in size which is mounted. I use it to store movies and TV shows for sharing on the home network. However, all of a sudden the system now gives the error: No ...
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How to choose LVM mapping mode when installing Ubuntu server 12.04?

I would like to create a volume group with striped mode on top of 2 RAID-1 devices. The issue here is I cannot choose striped when configuring LVM at installation stage. It's always be linear.
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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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when installing /boot inside a lvm group, where do I install the boot loader?

I am setting a personal file/cloud server based on ubuntu server 12.04 and owncloud but there are certain things about the partitioning that I can't get my head around... Let's say for example I want ...