LVM is a logical volume manager for the Linux kernel

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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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105 views

My server is making me download the code instead of running it

I am running an ubuntu server 12.04 but unfortunately I am not being able to make the interpreter run the code exactly. I am using nginx encrypted lvm and here is the conf.d (main part): server { ...
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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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38 views

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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1answer
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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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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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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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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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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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30 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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996 views

disk space wrongly displayed after installing LVM disk

I installed ubuntu server using LVM partitioning on a 1 TB hard disk. However, after installation, i can only see 10 Gig space here is the fidsk output ` # fdisk -l Disk /dev/sda: 1000.2 GB, ...
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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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25 views

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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1answer
15 views

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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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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17 views

Looking for Best Practices on LVM Vollumes Shared between Host and Guest

I want to create a VirtualBox machine inside my Kubuntu 14.04, it will run Windows 7 64Bits. The machine will have two drives, Boot (128MB) and C (48GB). I want the drives to be LVM (Linux Logical ...
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31 views

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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25 views

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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How to change the password of an encrypted LVM system (done with the alternate Installation)?

I installed Ubuntu 11.10 with the alternate CD and encrypted the whole system (except boot) with the encrypted LVM. Everything works great as before, but I would like to change the password of the ...
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1answer
19 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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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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34 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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47 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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What is LVM and what is it used for?

As a Linux/Ubuntu newbie, what is LVM and what is it used for? In terms of a web server installation, what benefits does it provide? Would you recommend using it?
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28 views

Mount and access encrypted LVM on second drive

On one machine I have an encrypted LUKS container around an LVM on /dev/sda that I can boot into. On the same machine is a second drive with an encrypted LUKS container around an LVM on /dev/sdb (that ...
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94 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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38 views

Update GRUB with encrypted LVM on second volume/drive?

On one machine I have an encrypted LUKS container around an LVM on /dev/sda that I can boot into. On the same machine is a second drive with an encrypted LUKS container around an LVM on /dev/sdb (that ...
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3k views

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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47 views

How do I use move space from /home lvm to root lvm

I have a root lvm with 10 GB, most of which is used, and a /home lvm with 877 GB. I want to resize the /home lvm to free up space, and then allocate that to root. I'm not clear on whether I can ...
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how to set up LVS on Ubuntu 14.04.1 LTS

please let me know how to set up and configure Linux Virtual Server on Ubuntu 14.04.1 LTS (Ubuntu 14.04.1 LTS) My Ubuntu is running on single hard drive on virtual box (ex.VMware) Thanks
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How to setup device mapper RAID on LVM on Ubuntu 12.04

I have read that LVM can be setup as raid without using mdadm. I have setup LVM with two physical HDD and would like to set up RAID1 but I can't find any guidance. Is there any documentation on how ...
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2answers
122 views

Setting up LVM and deleting partition volume

I am running Ubuntu 14.04 LTS in VMware. I recently ran out of space so I decided to add a 10GB volume. The problem is I didn't install ubuntu with lvm initially so now I am trying to do it ...
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How do I enable Ubuntu (using full disk encryption) to call LUKSsupend before sleeping/suspending to RAM?

This question is related to another one by @Stefan, but it is not a duplicate of it. The questions are slightly different: the author simply wanted to know if this had been implemented, while I'm ...
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86 views

Root Partition using too much space

I'm having problems with my disk usage. My system monitor says that I have 44,6gb used. But when I run disk usage analyzer, it shows that I have 5.4gb used. My partitions are in LVM. Here some images: ...
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Mounting a Drive on a Fresh Ubuntu 14.04 Installation (System Type: Linux LVM)

I have recently installed Ubuntu on my machine. I had been previously using Windows on the same and am switching to Ubuntu completely. On my hard drive, i have 2 partitions, one is around 50GB and the ...
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How do I know what physical drives/partitions are behind my /dev/mapper/isw_dghbbcaabe_RAID_Volume11?

This is a just upgraded Ubuntu 10.04.1 LTS machine. The /dev/mapper/isw_dghbbcaabe_RAID_Volume11 is "new" to the upgrade but I don´t know what physical drives/partitions are included in the "device". ...
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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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4answers
11k views

How to remove all LVs VGs and Partitions On All Drives Before Installing 12.04

I have 2 hard drives that had been used for Ubuntu Server 11.10. Now I would like to start from scratch with 12.04 but I'm having some trouble with the existing logical volumes and volume groups. ...
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3answers
2k views

ubuntu 14.04 install with custom swap size using LVM?

I want to install ubuntu 14.04 with LVM and encryption. But the problem is that my computer has a large RAM (16GB) and a small SDD disk (60GB). So I think only a small amount of space for swap is ...
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38 views

Mounting NAS200 Linksys LVM2 in UBUNTU 14.04

I'm new to Linux (I can get around in it) and would like some help if you don't mind. I have been working with Linux for several years to some extent so I can get around some with the GUI, DASH and ...
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84 views

LVM VG is not activated during system boot

Since upgrade from Ubuntu 14.04 to 14.10, one of my VGs doesn't come online when the system boots up, and unfortunately, this VG has my root FS, thus I'm dropped to the initrd BusyBox prompt. ...
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Split encrypted Ubuntu installation into multiple encrypted partitions

I run a standard Ubuntu installation with LVM-Luks-based encryption which was set up by the installer. Now I would like to split this installation up since I want to use my home with another Ubuntu ...
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2k views

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
50 views

What's in this 524MB drive?

I have recently installed Ubuntu 14.04 on my dual boot PC with Windows 8.1. On Ubuntu I have seen a 524 MB drive popped up. As I take a look at it, its not swap or anything. Its contents are as ...
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157 views

Boot problems after upgrading from Ubuntu 13.04 to Ubuntu 14.04

After GRUB went MIA I used boot-repair which returned this Boot-Repair Boot Info Script. After that GRUB came back, but now after I choose the Ubuntu option in the boot menu nothing happens. If I go ...
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2k views

install LVM dual boot with Windows

I am trying to install Ubuntu dual boot with windows. I have about 150G free space in may machine and want to install Ubuntu 14.04 there. My machine has this partition structure Partition 1 ...
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70 views

Configuring a file server using Ubuntu Server 14.04.1 LTS

I just recently got a computer capable of running Ubuntu Server with two 3TB hard drives and a 16GB SSD. The SSD is where Ubuntu boots from, and the 3TB hard drives are empty space. The Ubuntu Server ...
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ddrescure raw image? lvm encryption lubuntu hard drive to usb drive

I've read I should ddrescue my not-booting hard drive in raw to a larger USB drive. I read this GNU ddrescue Manual but I'm sure which command to use, and whether to chose direct disk access or raw? I ...