LVM is a logical volume manager for the Linux kernel

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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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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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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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13 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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65 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 ...
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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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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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22 views

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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143 views

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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31 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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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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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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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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178 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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64 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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310 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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29 views

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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2answers
47 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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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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293 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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299 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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126 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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41 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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104 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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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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39 views

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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538 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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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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326 views

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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61 views

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 ...