LVM is a logical volume manager for the Linux kernel

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Performance driven, future proof desktop partitioning setup: SSD+HDD

I just got 2 new storage devices, a 128GB SSD and a 2TB HDD. Currently I have Ubuntu 15 (Desktop version) installed on a 2.5TB HDD (16GB RAM). And I would like to move Ubuntu to the SSD and my data to ...
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Different linux OS on particular hdd [on hold]

Have Adaptec RAID controller. There're 4 hdds on it. Existed Centos 5.10 on: /dev/sda1 - /boot ext3 /dev/sda2 - LVM I decided to migrate to Centos 7 and installed It on: /dev/sdd1 - /boot XFS ...
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24 views

Can I disable LVM on my ubuntu installation

I have workin Ubuntu instance. Now I decided to refuse of LVM usage. Can I disable LVM and reformat filesystem so that regular file system will be used?
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Grub2 on LVM: How can I switch between alternate root LVs?

I have a working setup of Ubuntu Server 12.04 LTS (precise) installed on a LVM Volume (/dev/vg0/root). /boot is on the same LV, and Grub2 boots nicely from it using its own raid/lvm/xfs modules. Great ...
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1answer
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How to grow LVM partition to include newly released partition (now unallocated space)

I had a Windows partition and I nuked it in favor of a VirtualBox VM. Now I could use the extra space it was occupying. LVM2 is in use on the Linux side but the Windows partition which has since been ...
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Adding Disks With LVM

I'm sure this has been answered somewhere on here before (I even found kinda a guide here, but seemed to be a bit spotty and incomplete) but I was wondering if someone could assist me or at least ...
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698 views

How to read/mount full ubuntu volume from now external hard drive

Yesterday I decided to upgrade my laptop hard drive to an SSD. I was previously running Ubuntu 14.04 on the HDD that came with it. I have installed Ubuntu 14.10 on the SSD. I would like to mount up ...
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How can I resize an LVM partition? (i.e: physical volume)

I want to shrink my second (LVM) partition, in order to create a new partition in the newly freed space. I am using the Live CD to do so, because I know I can't resize/move this partition while it is ...
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206 views

Is it possible to access disks in an LVM after a reinstallation of the OS on a separate drive?

I have a 120GB SSD hosting my Ubuntu installation. I have four 3TB Western Digital Disks which I would like to configure into an LVM. If I reinstall Ubuntu at any point in the future onto the SSD or ...
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1answer
100 views

Can't find LVM root dropped back to initramfs

When I boot up I get a screen saying "Gave up waiting for root device" Then it lists common problems "ALERT! /dev/mapper/ubuntu--vg-root does npt exist. Dropping to a shell!" Then I get initramfs. ...
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Ubuntu Server 14.04.2 no caching page found

I just upgraded from Ubuntu Server 14.04 to 14.04.2 and now I get this error on my three USB hard drives which are set up in a single LVM. I never had this error before and was able to transfer data ...
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LUKS encrypted FS can no longer be mounted after upgrading Kubuntu

everyone! I fresh installed Kubuntu 15.04 these days but before I copied my /home partition to a encrypted partition on my spare HD. The problem is that I can decrypt it but cannot mount the LVM no ...
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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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How do I shrink the root logical volume (LV) on LVM?

I don’t need to actually shrink the MBR partition, just the logical volume that contains the root “/” filesystem. It’s ~200GB now, and I need to shrink it to ~150GB to make room for a new logical ...
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38 views

Problem enabling TRIM on SSD on Ubuntu 14.04/Dell Power Edge T620 workstation

I have problem activating TRIM on INTEL SSDs in a Dell PowerEdge T620 workstation. The SSDs are handled by BIOS and not behind the HW RAID controller. The symptoms are the following: fstrim -v /ssd ...
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I installed Ubuntu with LVM, did I lose my personal files?

I installed Ubuntu using LVM file-scheme option. I didn't want to preserve Windows OS nor I wanted to lose my personal files. Did I lose my files? If not, where to find them?
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Partitioning Unallocated LVM Space as New Physical Partition with Hardware RAID

I'm a newbie to linux and partitioning and apologies in advance if this has been answered before; I've searched extensively on the web for answer, and after being unsuccessful I decided to post a ...
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1answer
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How to create LV(Logical Volume) after ubuntu is installed?

everyone. I need to create LV for xen guest. There is only one disk of 70G. While installing, I use the default process and not the LVM. Do I need to reinstall Ubuntu to create the LV? Is there some ...
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1answer
5k 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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4k views

XFS File System Fails - Can't read Superblock

After this (Iomega Home Media disk corruption - data recovery help asked) problem solved... i have a new one.. I'm trying to understand why my Iomega Home Media Stopped working, and need for that to ...
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Ubuntu LVM during installation

trying to understand Ubuntu LVM during installation. I want to use logical volumes for all my disk partitions except "/boot". Ubuntu appears to "allow" this during installation when I choose "Manual" ...
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Execute binary inside symbolic link

I'm trying to execute a binary installer inside a folder, that is a Symbolic Link to another partition. The partition is a LVM logical volume, mapped through /etc/fstab like: ...
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How to check if there is already a swap area?

I am using Ubuntu 14.04 on my laptop with 4 GB RAM. I had chosen option to "replace Windows 8 and install Ubuntu with LVM" when installing Ubuntu. Now I wanted to create a swap partition, I executed ...
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232 views

Backup LVM snapshots and Grub2 problem

Long story short, I'm using obnam to take backups of my system. This is what I do: take LVM snapshot of /, /usr, /boot, /var, /home mount the snapshots on /bck-snapshots, /bck-snapshots/usr, ...
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How to setup LVM cache on ubuntu 14.10 server

building a server machine for my personal server (media + application (docker)) I have two 2tb hdd(1 sata 2 old and 1 sata3) along with a samsung 120 gb ssd. I can format one of hdd but not both ...
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34 views

Making my server virtual - what happens to my LVMs?

I have a physical server with about 10TB in two different LVMs and VGs. I'm going to be installing a bare-metal hypervisor on the hardware now, which means I'll have to rebuild my Ubuntu server. I set ...
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1answer
28 views

Dual Booting 2x Linux Distros - LVM Confusion

I currently have Lubuntu 14.04 (64-bit) installed w/LVM. I'm trying to install another Lubuntu 14.04 (32-bit). It's an HTPC and there are some retro gaming emulators that will only run on 32-bit. ...
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SOLVED Problem installing Ubuntu 14.04 on an external HDD. Fedora/ Windows 7 dual boot PC

I'm trying to install Ubuntu 14.04 on an external hard drive. I've seen many posts about doing so and that's not my reason for posting here. On my PC I already have Korora (it's based on Fedora for ...
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2answers
51 views

12TB storage, can someone help me? :)

I have thought about making a RAID 5 with 4 hard drives, 4TB each. There are files with few KB and other files with some GB. I want it to be as stable as possible. This will not be mounted as / or ...
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What are the advantages/disadvantages of the new encryption feature in ubuntu 13.10

I'm in the middle of installing 13.10 and the Ubuntu page I was following on how to install from a USB stick says nothing about these two choices (on the Installation type screen): 1) Encrypt the ...
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Getting “No key available with this passphrase.” when trying to add a new LVM encryption password

I am getting "No key available with this passphrase." when I try to reset the password for the LVM encryption on my Ubuntu box. I have tried the following commands: sudo cryptsetup luksAddKey ...
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988 views

12.10 installation with LUKS encryption & LVM in EFI mode

I'm trying to figure out how to perform an installation of Ubuntu 12.10 (in UEFI mode) with LUKS encryption and LVM scheme. What I've done so far: Booted on a GParted Live CD 0.14.1-6 in "UEFI mode ...
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1answer
79 views

How to install Warty Warthog on VirtualBox? [closed]

I was following this tutorial on how to install Ubuntu 4.10 But in the step for partitioning disks, I only get the option: Manually edit partition table When I try to create a new logical volume ...
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Ubuntu server harddisk managment (HP Smart Array P420i)

I installed Ubuntu server on HP Proliant 380p Gen8 , it comes with array module P420i my current setup is : array A (SAS, Unused Space: 0 MB) logicaldrive 1 (558.7 GB, RAID 5, OK) physicaldrive ...
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How do I move my LVM 250 GB root partition to a new 120GB hard disk?

I have the following situation: My current Ubuntu installation is running from an external HDD (250 GB) because I was to lazy to buy an new internal hdd. Now i've got a new internal (120GB) and i ...
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14.04 encrypted disk lost all logical volumes after apt-get dist-upgrade

EDIT 2015-02-24: Now it's time to wrap up what happened, what is still missing, what I know and don't know, what I learned. * I've not been able to recover the logical volumes yet - any help is ...
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Recover the directory structure of a lost LVM Logical volume?

I am aware of the huge amount of data recovery questions on this site, and reading all of them I think my case is unique enough to warrant a new question. how it came to be I set up a LVM with ...
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Mounting external disk with defaulted 13.10 FDE

I have a hard disk which was previously used in my netbook with Ubuntu 13.10's default full disk encryption (FDE) configuration. I would now like to mount this disk as an external drive (via SATA to ...
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Can't format / delete locked partition from gparted?

I can't format my hard disk for Ubuntu installation. It has Fedora installed in it. I wonder how to unlock the locked partition to delete and format it, since I am stuck at installing Ubuntu. I am now ...
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1answer
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Can I create a hybrid software-RAID array with disks of different sizes?

Products such as Synology offer something called Synology Hybrid RAID http://www.synology.com/us/products/features/RAID.php This RAID type allows you to make best use of your disks available by ...
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lvreduce causes a failure to boot on Ubuntu 14.04 LTS Desktop Edition with LVM

Whenever I use the command lvreduce to reduce the size of the root logical volume and then reboot, I am confronted with the initramfs screen. I've tried using the standard "Install Ubuntu with LVM" ...
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1answer
285 views

After upgrade to kernel 3.16.0-30-generic I cannot use the keyboard

After installation of 14.10 and the "automatic upgrade" of the kernel to 3.16.0-30-generic from 3.16.0-23-generic I cannot use my keyboard to enter my passphrase for decrypting my physical drive. ...
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1answer
162 views

Ubuntu 14.04 Desktop on RAID-5 with LVM, GRUB failed to install

I want to configure a home media center and file storage, to keep the data safe I want to use RAID-5 (I have 4 HDs) and LVM for future scaling. I've configured RAID-5 and LVM, but GRUB installation ...
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1answer
59 views

Installing Ubuntu on RAID with LVM, failed to boot

I've installed Ubuntu on RAID-5 with LVM and made a /boot partition but it failed to boot. Can anyone help or point to a resource describing the process? Update: I decided to re-install the OS. This ...
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167 views

LVM: unable to create snapshot due to failed merge of prior snapshot

I inadvertently created a situation where I deleted an LVM snapshot that was pending a merge (yes - bonehead move). Now I can neither finish the merge nor create a new snapshot on the original logical ...
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1answer
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Installing Server with existing data on drives

I have a Windows 7 HTPC which I'm planning on turning into a headless Home server using Ubuntu server as its OS. I'd like to use LVM. My current set-up is 1x64gb ssd as the boot drive and 2xSATA ...
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56 views

encrypted lvm fails to boot after last update

My netbook fell. The disk had to be replaced. I installed new system from the install medium, then restored the contents from backup (rsync), and it worked... for a time. New 'security updates' along ...
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249 views

Logical volume is not mounted but is in use. Please close all applications using this device (eg iscsi)

How do I resize a LVM partition using system-config-lvm? As per: http://askubuntu.com/a/489909/45156 I clicked on the partition and try to resize, but get Logical volume is not mounted but is in ...
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46 views

Massively broken boot and partition system

My machine has a single 2TB HDD, with 3 partitions: /dev/sda1 fat32 512MB /dev/sda2 ext2 244MB /dev/sda3 ext4 1.82TB My 14.04 was complaining of 0 bytes on /boot, so I went in and done a sudo ...
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115 views

Can not clone lxc container with lvm backingstore after ubuntu update

Command lxc-clone -s -K -M -H -o debian7 -n debian7-bak Result lxc_container: bdev.c: mount_unknown_fs: 209 failed to determine fs type for '/dev/vg/debian7' lxc_container: bdev.c: detect_fs: 320 ...