LVM is a logical volume manager for the Linux kernel

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

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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25 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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19 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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29 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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12 views

costum grub2 menuentry for mdadm lvm partition

I want to set a new entry in /etc/grub.d/40_costum to boot from a mdadm/lvm partition. I know how to do it with standard mbr/gpt partition like (hd0,1)/vmlinuz. How do I use raid1 and lvm grub2 ...
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1answer
27 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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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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25 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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211 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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20 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
35 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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12 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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44 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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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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15 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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29 views

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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21 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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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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107 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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43 views

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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31 views

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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2answers
67 views

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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1answer
26 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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168 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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42 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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67 views

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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75 views

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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1answer
94 views

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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104 views

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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115 views

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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203 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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1answer
73 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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381 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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2answers
58 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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52 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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420 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 ...