LVM is a logical volume manager for the Linux kernel

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lcreate snapshot of vm

I have a vm running on a logical volume at /dev/vg0/vm1 I want to take a snapshot of it for backup. I tried lvcreate -L107G -s -n snapvm1 /dev/vg0/vm1 then mount /dev/mapper/vg0-snapvm1 ...
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554 views

How to install Ubuntu server 14.04 on LVM RAID?

I want to try install ubuntu on LVM RAID logical volume, but fail on step grub installation. There are my steps as below: 1. use three HDDs called sda, sdb, and sdc to create a volume group. 2. ...
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Please assist with partition management- cannot reformat drive to install Windows?

I installed Ubuntu 14.04 onto my drive, and am now trying to install Windows . Ideally, I would like to just completely wipe the drive and remove all partitions, so I am working with a blank slate, ...
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48 views

Will upgrade from 12.04 to 14.04 work with LVM encryption?

I have a laptop running 12.04 and the HD is encrypted with LVM. Will the system boot if I upgrade to 14.04?
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1answer
553 views

How to boot USB from GNU GRUB 2.02~beta2-9ubuntu1?

I am using HP 1000-notebook pc corei-3 series. I had installed Ubuntu 14.04.1-desktop-amd64, accidentally using the lvm option. After finding my 500 Gb hard drive stuck in lvm I started to find ...
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Logical Block number in the “Buffer I/O error”

I was trying to determine a bad PV which was causing the LV to report Buffer I/O error and found this interesting behaviour in the "Buffer I/O error" message. On a Large LV that is mapped to ...
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643 views

Is Ubuntu still toxic to Macs with Fusion Drive?

Installing Ubuntu BROKE my (since-repaired) Fusion Drive. I burned ubuntu-14.04-desktop-amd64+mac.iso to a DVD, and booted it and I asked it to install beside my OSX install on my homemade* Fusion ...
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Logical Volume resizing issues after migrating to SSD

I have recently been upgrading a machine that I built out of recycled/reclaimed/reused parts and have managed to lay my hands on an SSD. As it would provide a major speed boost over the ancient IDE ...
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406 views

Extend lvm with unallocated space of a ssd

I've cloned my ubuntu 14.04 install from a smaller ssd (256Gb) to a bigger one (512Gb). How can I extend my home with the unallocated space? I usually know how to extand a partition, but I don't how ...
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243 views

What to do about “the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present”?

The answer to this question is great, but what do you do when the /etc/crypttab file is empty? Also, gparted doesn't see the swap partition and so it won't format it. LVM sees the swap partition but ...
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Ubuntu not finding my LVM2 volume

first let me say that I'm pretty green when it comes to Ubuntu (and Linux in general) but using guides that I came across online I was able to setup a Ubuntu 13.10 media/file server using a spare PC ...
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91 views

How to migrate to a bigger ssd?

I'd like to migrate my ubuntu 14.04 install from a smaller sdd (256Gb) to a bigger one (Crucial MX100 512Gb) without reinstalling. What is the best way to process? I read that clonezilla was not ...
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385 views

How to install windows 7 in an extended partition

I installed Ubuntu 14.04 a few days back. As I was in a hurry I clicked on the LVM option. Now when i open GParted in the live cd, it shows that the SDA5 partition has only 16 mb of free space. So is ...
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1answer
546 views

Need to know best way to utilize LVM to backup Ubuntu

So I've had issues with Windows which forced me to install and learn Ubuntu as I'm fed up with MSFT. So now I need to know the most efficient/best way to image Ubuntu so that if I messed something up ...
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919 views

Encrypt home directory / LVM encryption - Ubuntu Server 14.04 setup

There seems to be two different steps in the Ubuntu Server 14.04 installation that involve encryption. The first asks if I want to encrypt my home directory: The second has an option for encrypted ...
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205 views

Reusing disk partition during ubuntu installation

is there a way to tell partman to re-use current disk layout/lvm layout when using preseeding? either that or bypass partman completely? i'm using a custom preseed file with my own partman recipe. but ...
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Proper way to remove an active / inactive LVM snapshot

I have created a sample ruby script file for removing extra LVM snapshots from the system. For removing LVM snapshot, we are using lvremove command. This command is working fine and we can remove ...
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Preserving LVM Partitions while installing ubuntu

I decided to make the switch from OpenSuse to ubuntu. I use lvm with opensuse and I wanna have my partitions in ubuntu. The only option I see in installation is to erase everything and use lvm which I ...
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1k views

Entire HDD is one big lvm2-pv, hence unable to resize partitions or even bring back Windows

**The History** I have a Samsung NP300 E5C laptop with 8GB RAM and a 750GB HDD. I bought it as freeDOS. Then I installed Windows 8.1 pro 64 bit OS in it. Then I wanted ...
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354 views

Ubuntu SSD /dev/sda and LVM partition alignment

I got a SSD new harddrive and successfully moved my root partition to it. I am using LVM. It is booting fast, and all the performance is much better than with classic hdd. But I am not sure about the ...
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Can volume snapshots be used as replacement for Clonezilla images?

I've been always using classic disk partitioning and Clonezilla images of selected partitions for fast recovery in case of a catastrophic disk failure. I'm now testing LVM on a new system. It also ...
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572 views

LVM - split logical volume

I've just installed Ubuntu on a new machine and while I usually go for the classic partitioning, I decided to use (default) LVM this time as the idea of creating volume snapshots was quite appealing. ...
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170 views

Migrating Ubuntu from a MBR disk to a GPT disk (non-UEFI)

The question is: how to Migrate Ubuntu installed on a LVM Logical Volume with a separate boot partition from a MBR disk to a GPT disk on non-(U)EFI hardware without data loss to enable the usage of ...
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237 views

LVM Partitions Not “Available” On Boot

On my Ubuntu Trusty AMD64, KDE desktop build I have 2 LVM2 PVs, each with a single VG. Each VG contains 2 or more LVs. On boot (a) none of the LVs are "available" so cannot be mounted from fstab they ...
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175 views

Re-installing 14.04 LST - impossible

I did an on-line "live upgrade" from ubuntu 13.10 to 14.04 LST. Unfortunately, this resulted in several broken dependencies in some of the programs I use on a daily basis (I am not going to go into ...
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BIOS settings not appearing

My friend installed Ubuntu 14.04 LTS on his Samsung NP 300 G5X laptop that had 4GB RAM and a 700GB HDD. He encrypted the Ubuntu installation and used LVM. After reboot he was taken directly to grub. ...
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284 views

What should I use my SSD for? [closed]

I am setting up a small (1 user) email server. So far I have put in 2 x 1TB WD Red drives and set them up for LVM with RAID1 mirrored LVs. I also picked up a 120GB Samsung 840 Evo but I can't figure ...
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379 views

Installation on virtual LVM disks without partitions

I am installing an Ubuntu server in a KVM/libvirt vm with the text/console installer. I intend to hand over two LVM volumes as root and swap to the VM as virtual disks. They are detected correctly as ...
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3k 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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134 views

Two “ubuntu-vg” partitions unable to mount due to naming clash

I had Ubuntu 13.04 installed on my laptop. Rather than upgrading, I decided to install 14.04 fresh on a new SSD. So, I have two drives. One with 13.04 and my old data, and one with 14.04. Both ...
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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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How can I resize an active LVM partition?

I am quite new to LVM and I'm uncertain about what is happening here. I was not the one to initially setup this machine. There is a harddrive of 1tb in size and an LVM partition of only 50gb in size. ...
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487 views

Installing EFI to Raid 1 using partman and seed file, on both drives

So my question is, Is it possible to install the EFI partition onto both drives when doing a seed install on Ubuntu? That way if one drive goes, the relevant efi partition/data is there on the second ...
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how to I merge 2 VMware disks in to a single one , on ubuntu [duplicate]

I have installed an Ubuntu server on a VMWare workstation with a space of 20GB storage as seen below: http://i.stack.imgur.com/TNCrV.png After the installation I've attached another 40GB worth ...
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332 views

Partitioning a LVM2_member partition

I've installed the ubuntu 14.04 server and used the option "guided use the entire disk and configure LVM" to format my disk, when prompted about size of partition I've set 60GB, but now when I take a ...
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162 views

How to hibernate in a full-encrypted disk using LVM?

I'm running Ubuntu 14.04 and set up my system using LVM with full disk encryption. Then I installed uswsusp and the loading failed. I searched the web and found that this is because my swap partition ...
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1answer
119 views

nfs configured - clients cannot connect

I'm trying to get NFS working on my ubuntu server 14.04 again. It was originally working until last weekend, but when I tried to configure samba everything wen't fubar. Now none of my devices can ...
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233 views

How to mount a 20 TB file system

I have recently created a file server with 6x4tb hard drives. One hard drive is used as the file system and is formatted with ext4. While I have created an LVM with the other five drives. This LVM ...
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56 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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117 views

Ubuntu server LVM mapper problem at boot when plugged a second hard drive

I installed ubuntu 14.04LTS server version. Recently, I just successfully installed a second hard drive to use as glusterfs. But after a reboot, the server stop at loading stage with the error ...
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58 views

How can I add a new drive to an existent logical volume?

I have a personal remote server running Ubuntu Desktop 14.04 with no graphical access. I have LVM set up with the internal hard drive (/dev/sda), and I've plugged in a new USB hard drive (/dev/sdb). ...
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36 views

Add disk and use software raid

I have a lvm partition on a disk, and another, identical drive with no data on it. Would it be possible to set up these two drives in RAID 1 using mdadm, with the same lvm data on top? Perhaps by ...
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2k views

Recover data from formatted LVM (Luks, Ext3) after Ubuntu installed over it

I have a 1TB HDD and some days ago I did a mess That disk had: One EXT3 partition ( / ) One EXT3 partition ( /boot ) One LUKS LVM which had a EXT3 partition of about 200 GB I wanted to replace ...
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36 views

Data transfer from 12.04 to 14.04 using same hostname?

I've been using my 12.04 server for a year and a half. I'd like to install 14.04 on a new drive and transfer all my data over once that is complete. I have 720GB of files to to deal with. 12.04 was ...
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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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Getting “read failed after 0 of 4096 at xxxxxx: Input/output error” error for LVM

I have system with Ubuntu 12.04. On this system used LVM for managing disk drives and similar mass-storage devices. When I used lvscan command for scanning all the logical volumes then it displayed ...
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Is it possible to install ubuntu server (12.04) on gpt disk (3TB) and boot from it

I have been searching for a guide on how to install ubuntu server on 3TB gpt partition, but with no luck. I wonder if it is even possible ? I read that GPT cannot be used to boot with. Also, I would ...
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588 views

No Swap Partition!

I'm in dire need of help. My system has become incredibly laggy and hardly usable. I have realised that this is because for some reason I'm running without virtual memory (this is not intentional). ...
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Ubuntu 12.04.04 LTS xfs xlog_space_left

I am running Kernel: 3.2.0-59-generic will moving to 3.2.0-61-generic fix the issue with xlog_space_left: head behind tail? I do a serious amount of lvsnap shots every hour on a mysql database on a ...
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8k views

Xubuntu 14.04 - full-disk encryption and LVM during installation?

Does Xubuntu 14.04 also support full-disk encryption and LVM during installation like Ubuntu?