LVM is a logical volume manager for the Linux kernel

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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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408 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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3answers
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How to install Ubuntu server with UEFI and RAID1 + LVM

I used to install my servers with LVM over software RAID1, and grub install on the MBR of both drives. Now I have an UEFI server, and the compatibility (BIOS) mode does not seem to work. So I went ...
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XFS File System Fails - Can't read Superblock [on hold]

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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1answer
1k views

LUKS and LVM install: no boot (gave up waiting for root device)

I just finished installing 12.04 on my system, configuring it with LUKS and LVM. I can open the encrypted position just fine in a recovery disk, but I just can't seem to get it to boot. It waits ...
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1answer
192 views

How to partition for a successfull boot with raid5 + lvm +encryption

I have been trying to make this setup work for several days. The system never boots... When I do a setup without the software raid I can get it to work. How should I set up my system partition to be ...
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15 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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27 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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2answers
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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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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
20 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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1answer
24 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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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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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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1answer
147 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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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
34 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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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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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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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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1answer
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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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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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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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How can I resize an LVM partition? (i.e: physical volume)

I want to shrink my second (LVM) partition, in order to create a new partition in the newly freed space. I am using the Live CD to do so, because I know I can't resize/move this partition while it is ...
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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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2answers
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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3answers
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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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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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34 views

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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1answer
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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2answers
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Adding Disks With LVM

I'm sure this has been answered somewhere on here before (I even found kinda a guide here, but seemed to be a bit spotty and incomplete) but I was wondering if someone could assist me or at least ...
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2answers
778 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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232 views

Is it possible to access disks in an LVM after a reinstallation of the OS on a separate drive?

I have a 120GB SSD hosting my Ubuntu installation. I have four 3TB Western Digital Disks which I would like to configure into an LVM. If I reinstall Ubuntu at any point in the future onto the SSD or ...
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1answer
111 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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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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100 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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3answers
15k views

How to shrink Ubuntu LVM logical and physical volumes?

I have installed Ubuntu 12.10 as the only OS on my system. I told Ubuntu to overwrite everything as I was in a hurry, hence I only have the two partitions Ubuntu creates, the Boot Partition of a ...
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4answers
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How do I shrink the root logical volume (LV) on LVM?

I don’t need to actually shrink the MBR partition, just the logical volume that contains the root “/” filesystem. It’s ~200GB now, and I need to shrink it to ~150GB to make room for a new logical ...
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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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1answer
24 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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2answers
259 views

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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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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2answers
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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 ...