LVM is a logical volume manager for the Linux kernel

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GRUB fails to install with LVM setup

I have 1x 160GB HDD and 2x 80GB. The way I want to partition all the disks is as follows, GPT partition tables with 10GB partitions which will be LVM physical volumes. The rest of the disk space will ...
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Go to LVM with an already non-LVM disk, how to?

I plan to use LVM. My Ubuntu is currently non-LVM based. I wonder if I can do that without resintalling or if I can: resize current partition (call it part Old) create new partition (call it part ...
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How to increase /boot partition size when installing Ubuntu 14.04 using the “use entire disk and set up encrypted LVM” option?

How to edit the size of the /boot partition when installing Ubuntu? Using the guided partitioning option "use the entire disk and set up encrypted LVM" results is a /boot partition which is only ...
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Is Ubuntu LVM a RAID?

I had a 4 disk LAMP system running Ubuntu 10 then upgraded to 12. The drives are managed by LVM since initial setup. Recently, one of the drive failed (the newest and largest of course, 3TB). I sent ...
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Ubuntu Server 14.04 - Fstab file deleted entry

This morning when I arrived at work the samba server shares had appeared to have gone down, after a short investigation I discovered that the partition in the LVM had become unmounted, after to ...
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Full disk encryption without enabiling LVM

Currently I am building an image to deploy with a fog server (used to deploy images over a network). I am using Ubuntu trusty and am required to have full disk encryption on the machines. The issue ...
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23 views

Mounting encrypted LUKS partition from Live CD

Error to begin with, can't boot I had to do a hard reboot of my computer, and when booting up it (initramfs I think) gave an error: mount: mounting /dev/mapper/ubuntu--vg-root on /root failed: ...
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How to properly move /home from separate partition into / partition?

I have two logical volume which one is used for / and another one for /home. The thing is now I want to have /home to be not separated from the /. I want to use the logical volume which I use for / to ...
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15 views

Moving LVM from ubuntu 14.04 LTS desktop to ubuntu Server

I have Ubuntu 14.04 LTS desktop configured as below separate file systems / - root /boot - boot LVM - LVM Configured for (/home) Now, I am planning to install Ubuntu Server and then add this existing ...
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13 views

Encrypted LVM Disk Password not “in box”

After a recent installation of Kubuntu 15.04 using encrypted LVM, I have the following problem. When I boot the system, the pretty Kubuntu encrypted disk password screen appears, but when I type the ...
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31 views

Unable to free up space on vg-root

I have an Ubuntu Server installation 14.04 that I used the ubuntu default LVM partitioning by the installer (With the /home, /, /tmp... as separate partitions) and I never thought anything of it and ...
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1answer
16 views

NTFS partition corrupted for dual boot

I tried to dual-boot Ubuntu with Win8.1 but at installation by mistake selected LVM and then did reboot. All my partitions now in Ubuntu Live CD shows as single LVM. How can I recover the data of old ...
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42 views

Mount external hard drive with LUKS Encryption + LVM

I recently switched to a bigger Hard Drive by running dd if=/dev/old of=/dev/new However now I am trying to get some files that changed after copying, so I connected the old Hard Drive over USB. The ...
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1answer
46 views

Expanding disk inside Hyper-V using LVM

In my lab environment I have an Ubuntu server 12.04 which I am trying to add space to. LVM was set up at boot up and after adding 100GB through the edit disk wizard I am unable to add that space to ...
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23 views

Repartitioning live system. Anything i missed?

I tried to repartition the server about a month ago, and ended up being unable to connect after reboot (SSH denied after messing with fstab) . I tried to read up on the subject afterwards, and I might ...
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13 views

How do I encrypt my HDD and combine with my other encrpted HDD

I am trying to combine 2 HDD's. One of them is already encrypted and is my boot drive. The other one is not encrypted and Linux doesn't see it as more disk space. Could someone explain me how to do ...
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23 views

LUKS partition lost?

I'm starting to getting desperate about a partition encrypted with LUKS which is not recognized anymore. Here's what happend: Tried to resize partitions on sdb5 (lvm1 in crypt-container1). Made a ...
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How to hot add a new disk with virsh attach-disk?

I'm trying to add a new LVM disk to my guest machine (Ubuntu 14.04.1) by doing the following on the host: lvcreate -L 14G -n vm_vm005_data3 vg00 virsh attach-disk vm005 /dev/vg00/vm_vm005_data3 ...
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72 views

Unattended installation using kickstart and preseed gives blank screen

I have build my own custom image of ubuntu server 14.04.2 for an unattended installation using kickstart and preseeding, and it all looks good, but when the installation finishes it gives me nothing ...
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23 views

How do I rescan drives I've expanded?

I frequently expand drives on my VMs. How can I rescan the drives without rebooting the server?
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58 views

LVM, GRUB2 and whole disk boot

Ubuntu 14.04.2 LTS on a HP N54L My existing layout is a LVM on a parition as per default Ubuntu install.   sdd 8:48 1 29G 0 disk      └─sdd1 8:49 1 28.9G 0 part ...
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Why am I being repeatedly asked for swap partition password when apt-get upgrade?

I installed recent kubuntu on a laptop, and choose to encrypt / and swap. Works fine. But very often, when I do apt-get upgrade, I get questions about password for swap partition. I could understand ...
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80 views

Initramfs + Luks - only one password prompt

What I want to achieve: Being asked for a password, only once during boot time; The other (non-root) partitions to use the keyfile inside the /root/ directory. What I have achieved so far: (A) ...
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1answer
94 views

In ubuntu 15.04, boot-repair running forever

To reproduce my problem [of accidentally deleting all the kernels] Delete all the kernels Try to fix the problem with boot-repair from live USB LVM enabled Pastepin link is here Please help me ...
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How to definitively remove old physical device name

I did something wrong when creating partition type, partition and lvm physical volume. I removed a wrong named partition vdb1 into /dev/vdb virtual physical storage and renamed a new created one with ...
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change host name initramfs ALERT! /dev/mapper/guacamole--vg-root does not exist

I have two servers - guacamole and chorizo to be set up with Openstack cloud. I installed ubuntu server on one, then used the linux "dd" to image the disk to build the other, and renamed the server ...
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Swap sharing Windows and Ubuntu

This question has been asked before but not in this manner. I have Windows 8.1 and Ubuntu 15 dual booting on an SSD, A secondary HDD is currently has a partition at the end that is NTFS formatted ...
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1answer
102 views

BTRFS bad tree block start

First some background on my setup. I have 7 Hard Drives in a raid 5 (I know, move to raid 6, but not the issue here) array. On top of that, I run LVM, with a partition for btrfs. BTRFS is at version ...
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37 views

ALERT! /dev/disk/by-uuid/… does not exist (after lvextend and aptitude upgrade) [closed]

After resizing the lvm of my machine and - some time later, updating kernel of my machine, the machine does not start. Error: ALERT! /dev/disk/by-uuid/... does not exist What can I do here? Just ...
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1answer
59 views

How to prevent the catastrophic loss of ubuntu lvm drive encryption key?

In a previous install of ubuntu, my lvm encryption pw was no longer recognized and I lost it all! This occurred on a dual boot setup on a macbook pro 2010, from when I did a drive repair from within ...
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45 views

Ubuntu 12.04 and Hardware RAID 5 and LVM

I have an existing database server setup with RAID5 (3pcs 1 TB disk - usable is 2TB). One of its partition is /data is LVM. There is production data already in there so we opted to create another ...
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58 views

Landing in the GRUB command line at start up (bcs of XFS filesystem at /boot!)

Edit. The problem that I landed directly in the GRUB command line was another bug than originally asked for - see the answer. I changed the title accordingly. I think the title says it all. I'll ...
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1answer
36 views

Unable to resize lvm2 partition [duplicate]

I have been facing this issue even when I boot through Gparted LiveCD. My goal is to install Windows dual booting with Ubuntu (My wife is not comfortable with linux) Don't ask me about the ext2 and ...
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44 views

lvm reporting wrong size after gparted expansion - Ubuntu 14.01

After realizing I had under-allocated space on a hyper-v vm for this unbuntu install, I expanded the partition in hyper-v and then used gparted to expand the lmv and boot partitions. However, after ...
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45 views

reinstall ubuntu without rebooting on usb pen drive

I want to know if it is possible to reinstall ubuntu server edition without rebooting on an usb pen drive. I have LVM and I want to install the new version on a new LV, then change grub2, and then ...
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cryptswap1 on top of Encrypted LVM

"Encrypt the new Ubuntu installation for security" appears to encrypt my /dev/sda3 device as sda3_crypt, with LVM volumes for root and swap. After installation, /etc/crypttab has entries for ...
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909 views

Install Ubuntu 15.04 with full disk encryption, but without swap partition

I have a laptop with 16GB of RAM, but SSD is only 64GB. I need to install Ubuntu 15.04 with both standard options - "Encrypt the new Ubuntu installation for security" and "Use LVM with the new Ubuntu ...
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42 views

Ubuntu fresh Luks/LVM Install “Operative System not Found”

I have a Dell Inspiron 7720 with two hdd, 1st: 1Tb and 2nd: 300Gb. The first hdd have Windows 8.1 Pro and i'm trying to install Ubuntu 14.04 LTS in the second. I made a fresh and clean install of ...
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After upgrade to 15.04 system does not boot from encrypted disk

The system was installed with LVM encryption, so it used to ask for a passphrase before booting. Now, the boot process fails with the following: Gave up waiting for root device. Common problems: - ...
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1answer
46 views

How to find the size of a filesystem?

How can I find out the size of a filesystem in Linux? By that I mean the exact number of bytes that are used from the partition, not just the output of df, as that can differ from the true size when ...
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47 views

Backup lvm thin pool metadata

Usually, if you want to backup a volume, you create a snapshot and then dd it to some location, but it doesn't work with pool metadata: # lvcreate -s "vg_oktestdb1/pool_tmeta" --name metasnap -l ...
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54 views

Ubuntu 12.04.3 - Expanding/Resizing LVM partition upon additional Disk in a Hardware RAID 5

We have a database server configured as hardware RAID 5 with 3pcs 1TB Disk. Usable is 2TB and partition as follows: /data is LVM Filesystem Size Used Avail Use% Mounted on /dev/sda1 ...
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24 views

Help! One of my raid partitions has disappeared

First time posting but I can't solve this by my self, so pleas help me. I have a problem, I can't access one of my partitions. I have three 2 TB disks that are running "hardware/intel software ...
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17 views

How to install Ubuntu beside other Ubuntu on crypted LVM?

i have question, how can i install ubuntu beside other ubuntu on crypted LVM ? The problem is, that installer of ubuntu does not see LVM volume group. I have tried it with ubuntu server installer, but ...
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Mistakenly encrypted partition while installing Ubuntu

My friend has tried to install Ubuntu on her USB (with live-usb) and used LMV encryption for the USB. Right now, it is not possible to load Windows normally. It seems she mistakenly encrypt her ...
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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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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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34 views

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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29 views

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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155 views

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 ...