LVM is a logical volume manager for the Linux kernel

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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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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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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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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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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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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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77 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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38 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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172 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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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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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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31 views

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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35 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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59 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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Recover partially overwritten LVM disk

Background Ive got 3 HDDs on my system: /dev/sda1 165 GB mounted at / /dev/sdb1 320 GB LVM Volume 1 of VG HOME /dev/sdc1 750 GB LVM Volume 2 of VG HOME What happened I was trying to copy a ISO ...
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“Unable to reduce RAID LV - operation not implemented”

I've created a logical volume using Ubuntu 14.04 that started off at 80GiB. I resized it to 128GiB, but now I'd like to reduce back to 80GiB. There's an ext4 file system filling the volume. My command ...
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124 views

Unable to Mount ext4 filesystem: bad block size 65536

root@vagish-SVL24115FAB:~# lvdisplay --- Logical volume --- LV Path /dev/vg1/lv1 LV Name lv1 VG Name vg1 LV UUID ...
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How do I move several LVM VG's on a pair of software RAID5 arrays from one Ubuntu install to another?

I have two software RAID5 arrays with LVM sat on top. I'm moving from Ubuntu 12.04 on an old PATA drive to Ubuntu 14.04 on a new SATA drive. I have the basic system up and running but now I'd like to ...
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69 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 ...
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23 views

How to check file-level write performance?

In a very similar question, the accepted answer suggests to do: dd if=/dev/zero of=/tmp/output bs=8k count=10k; to measure the write speed of a hard disk. My tests were inconclusive. I have an ...
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How can I tell if there is data on an LVM volume?

I recently installed Kodi (formerly XBMC) over an install of ubuntu that had become unusable after an 'upgrade'. The OS is on an SSD. I also had a couple of 2TB drives with video files on them. Now ...
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44 views

DM-Crypt does not accept passphrase

The partition table is: sda1 - /boot sda2 - dmcrypt with LVM, containing root, home and swap volumes Cryptsetup does not accept passphrase, that have been used for a long time and can not have any ...
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36 views

Logical Volume now has two segments after lvextend

My ubuntu machine has an LVM2 Volume Group (VG) containing a number of Logical Volumes (LV). The VG is composed of 2 Physical Volumes (PV). All of my LVs were created striped with 2 stripes each. ...
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Re-install 14.04 and keep raid and lvm setup and data

I upgraded my 10.04 server to 12.04 and then immediately to 14.04. I had installed gnome in part to get graphic support for Boinc. 14.04 does not support my Nvidia Quadro NVS 285 video adapter, or ...
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264 views

How to configure RAID + 2 LVM volumes via preseed?

Internally, we use Ubuntu (14.04 Trusty) on our workstations, and until now we've done all of our builds by hand, including the creation of RAID/LVM/LUKS-encrypted volumes. This doesn't scale, and ...
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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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60 views

Installing ubuntu, wont boot, stuck at GNU GRUB

I'm just getting into computers, and I built my own PC and everything went really smoothly until I went to install an operating system. I installed ubuntu on a usb and everything was working fine ...
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How do you move a LVM crypto swap partition from sda to sdb?

I have LVM configured for an encrypted home folder. Naturally this implies that swap falls into the crypto catagory. I have installed a second disk with a swap partition already ready to go and ready ...
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Can't shrink ubuntu 14.10 partition, GParted shows drive is full but only 6.6GB is used

Sorry for what is probably not the hardest question. I've been using ubuntu for a while but I've recently installed it on a new computer, and filled a blank hard drive with it. Now i wish to shrink ...
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lvm VG on boot disk (array) not found with vgdisplay but VM VG seen

I have weird problem with VM server and two raid arrays: OS is installed /dev/sda (raid-5 array) with vg-disk (group?) with id vg_server1 which is created during installation. Later on there is ...
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No LVM2 metadata record found

I have a question about LVM2 metadata record. Considering ouput from following commands: user@host:~$ sudo pvs PV VG Fmt Attr PSize PFree /dev/dm-2 vgdata lvm2 a- 2.73t 0 /dev/dm-3 vgdata lvm2 a- ...
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How make LVM Snapshots to back in time, in case of bad or non working instalation

I have LVM in my ubuntu installation and i want to know how I can make a snapshot of the whole system, if possible, for example if I install a experimental software and i don't like it, go back in ...
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35 views

LVM partitioning - how to assign disk space equally

I want to divide the remaining space on an LVM physical volume exactly equally between five new logical volumes (they're going to end up as personal network drives for five users). Is there a ...
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1answer
115 views

GRUB see LVM disk with Kubuntu only after enter to BIOS

I have a boot problem. I've installed Kubuntu 13.10 from a standard image file (using the standard installer) without manual partitioning. During the set-up process I chose the option "Setup on ...
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expanding filesystem

I`m totaly newb in Linux-like systems. Can u help me expand filesystem? Ubuntu server is hosted on Xen. I have some additional space in hypervisor but do not know how to do resize in the system. ...
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Is there a way to backup an individual partition that is part of a logical volume?

Is there a way to backup an individual partition that is part of a logical volume? I would like to do an automated regular snapshot that is compressed if possible.
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How to shrink LVM2-designated partition without recreating it?

I've installed Ubuntu with LVM2 and now I want to make a new partition on that disk. I've shrank the root virtual volume and now swap volume is located on last extents of the physical volume. AFAIU ...
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694 views

grub fails to install to MBR (RAID+LVM+LUKS)

Please note the edit at the end I'm building a home server (my first attempt at it) using Ubuntu Server 14.04.1 on an old machine (BIOS doesn't support UEFI), and I want to set up the whole system on ...
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404 views

Increasing the filesystem and partition size - vgdisplay “no volume groups found”

I want to increase the main partition size on Ubuntu 12.04.5 LTS server. I'm trying to follow this guy's tutorial. ...
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Adding and removing a disk from LVM without losing data

I have a logical volume with a 3TB drive and 500GB drive. And since I have only about 50GB space left in the volume, I would like to expand this logical volume by adding 1TB drive and removing the ...
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update-grub fails on lvm cryptoroot

Disclaimer: I'm running this server now but I did NOT install it. I have two disks connected to an Intel Hardware Raid Controller running in RAID1. On top of it there is a fully encrypted 12.04 ...
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How to properly modify the contents of an LVM Logical Vollume that is being use by a Virtual machine

Q1 - How to properly modify the contents of an LVM Logical Vollume that is being use by a Virtual machine?. Q2 - On Xen?. Q3 - On VirtualBox?. Q4 - On KVM?. Thanks for our time.
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Mirror my LVM data disks - Ubuntu 14.04 Server

First of all, this is my first post, and I am very new to Ubuntu and everything Linux. My problem is this: I recently installed Ubuntu server 14.04 on my home server's 1TB drive. I also have 2x 2TB ...
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How to disable LVM for sda?

When I installed Ubuntu 14.04, I check use LVM option. I want to disable LVM for sda, but I don't want to wipe this disk. Is it possible?
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Restoring a VM to LV, GRUB disk not found

This is what my setup looks like: ubuntu 14.04 running KVM with libvirt has a HW-Raid it's running from (/dev/sda) and another HW-RAID (/dev/sdb) that is the PV to a LVM VG called "datavg" with ...
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Reformatting Drives with Data, Specifying What Goes Where

I have two hard drives, one is a solid state hard drive (250 GB), while the other is not (2TB). I would like to reformat the hard drives such that Linux treats the two hard drives as one (I believe ...
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29 views

Partition a LVM disk

I have Ubuntu 14.04 installed. I want to add partitions table to a LVM disk of 465 GB. I would like to make two partitions without loosing any data. Gparted is showing that the whole 465 GB of the ...
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259 views

Restoring clonezilla image to newly created LVM partition

I have read an article about LVM and I would like to install it. Is it possible to make first an image of my total installation, then delete everything, create new LVM partitions as explained in the ...
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105 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 ...