Questions tagged [lvm]
Logical Volume Manager for the Linux kernel manages disk drives and similar mass-storage devices, in particular large ones. "Volume" refers to a disk drive or partition thereof.
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How to mount an LVM volume?
I'm trying to mount an LVM2 volume in Linux, but all the instructions I see online say to mount the Volume Group, such as:
mkdir -p /mnt/VolGroup00/LogVol00
but I don't know how to figure out the ...
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Gparted cannot resize extended or LVM partition
I created a VM using VirtualBox and realized it was too small. After some time I managed to create a new, bigger hard drive.
Live GParted CD image (v.022):
Now I need to integrate the unallocated ...
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No more space in root filesystem, how could I increase the size?
This is my filesystem :
$ df -h -x tmpfs -x devtmpfs
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/fedora-root 9.8G 7.6G 1.7G 83% /
/dev/mapper/fedora-home 50G 27G ...
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Best order of RAID, LVM and LUKS
I am going to install a file server with Debian GNU/Linux 8.
I want to have software RAID-1 using mdadm as well as encrypted disks using LUKS. I also like the flexibility of having LVM.
There are ...
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How to make suspend to RAM secure on Ubuntu with full disk encryption (LVM on top of LUKS)?
I'm on Ubuntu 13.04 using full disk encryption (LVM on top of LUKS).
I would like to incorporate luksSuspend into the suspend procedure (and later use luksResume) so that I can suspend to RAM without ...
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Fastest way to convert an ext4 formatted disk to LVM with ext4 on it?
I'm currently doing cp -aR to copy data from my (99% full) 1TB ext4 formatted disk to a new LVM-with-ext4-on-it disk. It's taking forever.
Is there any way to attempt to "convert" the disk in place? ...
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Is there a simple way to move/copy a logical volume from one volume group to another? (LVM2)
I'm rearranging a bunch of disks on my server at home and I find myself in the position of wanting to move a bunch of LVM logical volumes to another volume group. Is there a simple way to do this? I ...
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How do you add more space to a Fedora (LVM) partition?
In a nutshell, i have a VM that ran out of space. I increased the size of the VM's harddrive to be 4 times bigger but the OS partition is still only using 1x the space. I need to change the LVM ...
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How to make a redundant desktop system with daily snapshots? (Is btrfs ready for use?)
I want to configure a desktop system in which the home filesystem would be redundant (e.g. RAID-1), and would have weekly snapshots taken. I've already done this with ZFS, the snapshot system is ...
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Does Linux support TRIM for SSDs on LVM?
I am getting a SSD and need to know, does Linux support TRIM if I set up LVM on top of the SSD? I'm finding conflicting information. I'm currently running Ubuntu 10.10 with kernel 2.6.35-28.
Nick
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LVM Difference in paths for mounts
So I can do the following:
mount /dev/datavg/datalv /mnt
or
mount /dev/mapper/datavg-datalv /mnt
Are these the same? Is there an advantage to one over the other? Is one considered better practice to ...
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How can I use one lvmcache "cache pool LV" for multiple origin LVs?
I have a shiny new computer with a not-that-large SSD (120GB) and two gigantic spinning-rust HDs (3TB each). I want to partition it as follows:
swap (~128GB), operating system (~128GB), and data (...
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A ZFS or LVM or MD redundant heterogeneous storage proposal
I have the same problem most people have: how to create a reliable personal storage solution with the fact that:
Hard drives fail with alarming regularity. Losing files is unacceptable.
I will buy a ...
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How to mount an LVM volume from a dd/raw/vmdk image?
Input: RAW/DD Image of an HDD. fdisk -l shows partitions
fdisk -l image.dd
Disk image.dd: 15 GiB, 16106127360 bytes, 31457280 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/...
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LVM: Two or more volume groups (VGs) on one physical volume (PV)
I have just a short question about LVM.
A physical volume is a Partition or a whole Disk. A volume group is a container for a least one physical volume.
So I know that a volume group can have more ...
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vgdisplay and lvdisplay No volume groups found
root@ubuntu-server:~# pvdisplay
root@ubuntu-server:~# vgdisplay
No volume groups found
root@ubuntu-server:~# lvdisplay
No volume groups found
root@ubuntu-server:~#
what to do. I can't find ...
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LVM and cloning HDs
Using Linux, I have several backup levels. One of them is a periodical sector by sector copy (using dd) of my laptop harddisk to an external USB disk. Yes, I have other backups too, like remote rsync.
...
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Moving a LVM/LUKS encrypted partition to the end of a harddrive?
I need to move a LUKS encrypted partition to the end of a harddrive to expand another partition.
Does anyone know how to do this?
Is it possible to do this with other partition editing programs?
...
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How to align Logical Volumes on contiguous Physical Extents?
I have originally created 2 Logical Volumes in a Volume Group. The 2 Logical Volumes occupy the whole Volume Group and are sat on contiguous Physical Extents.
However, after I have shrunk the first ...
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How can I shrink a Logical Volume, and re-allocate the freed space into a new partition on the same drive?
I have a drive, sda. It has two partitions:
sda1: /boot
sda2: LVM managed in Volume Group volgrp01
volgrp01 contains the following Logical Volumes:
lv_root (30 GB)
lv_swap (8 GB)
lv_scratch (430 GB)...
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How to allocate limited SSD space in LVM for optimal performance
I just got a new SSD, and I'm looking for advice on how best to incorporate it into my existing LVM setup. I have the following logical volumes (mounted at the obvious places):
# lvs
LV ...
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8
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LVM: Removing a 'Zombie' (Unavailable) VG
I have an LVM related problem. We have a server that 'learned' about a foreign volume group through a hard drive that was briefly attached. Now, with that hard drive gone again, all LVM utilities ...
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QEMU + KVM + LVM - performance of block device drive vs file image
I'm creating new setup for my virtual machines and testing which method for storage is most fastest. My test environment consists of HDD drive with LVM on LUKS. I created single LV for virtual machine ...
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Booting windows (any version) from an LVM volume
I'd like to know if any versions of Windows are able to boot from an LVM logical volume, with or without third party extension software.
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Migrate LVM to ZFS
I am currently thinking about moving away from my LVM setup to a ZFS setup with RAIDZ.
My current setup consists of 5 x 4TB disks in a LVM and a 60GB SSD for the system.
At the moment there is about ...
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Extend volume group after extending physical volume
I am using LVM to allocate disk for my VMs so I can increase the "physical disk size".
The only way I found to merge this free space to my VM Volume Group was:
create a partition on new free space
...
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Uefi and full disk encryption with lvm on luks
I have an ASUS machine on which I can choose between the old BIOS and the new UEFI. I've always used the old BIOS system, running a full encrypted Debian with the following configuration:
An ...
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From GRUB2, boot an ISO in an LVM2 logical volume
tl;dr - Is it possible to boot from a .iso file that is located in an unencrypted lmv2 logical volume? How?
I'm trying to set this up in a VirtualBox VM before I do it for real with my laptop. I have ...
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How can I mount an encrypted LVM under Windows?
I have a virtual machine with Ubuntu server with an encrypted LVM.
I set up a virtual drive using imdisk to access its virtual hard drive without running the virtual machine, but I can't find any way ...
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LVM Encrypted Physical Volume versus Encrypted Logical Volume. Am I safe?
I'm somehow new to disk encryption techniques in Linux, but I have the basic
notions about encryption. Here my conditions:
I need to have "full disk encryption", including "/", not just "/home".
I ...
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Find files affected by bad blocks with md-raid5 and LVM
I've been doing a lot of research on this topic over the last few weeks - and I think I'm close to completing my recovery, as much as is possible at least. To make a long story short, I'll just ...
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Linux alternative to Storage Spaces
I currently run a small home media server on a Windows machine. I'd like to swap it to a small compute stick of some sort running a thin linux distro.
However, the reason I chose Windows to begin ...
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List all physical volumes associated to a volume group
Maybe I'm missing something obvious but I do not see it listed in vgdisplay.
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How? Mount, Find & Recover DATA in HDD outside of Synology Box
How? Mount, Find & Recover DATA in HDD outside of Synology Box
I had originally posted this question here on Synology Forums and no real solution was suggested except a Linux / RAID based ...
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Converting LVM/EXT4 to ZFS without losing data
I have a home media server with 2 x 3TB drives in it. Its currently set up using mdraid (1), LVM and EXT4. The setup was done using the ncurses Ubuntu Server installer.
Goal
Convert the setup to use ...
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Troublesome hard-drive in LVM — is it broken?
I have a LVM volume set up with several harddrives, and one of them seems to be failing, or at least something strange is going on. Every time the logical volume series sees heavy write activity, the ...
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LVM and Superblock failure; how to recover?
How do you repair the superblock of an LVM volume? Alternatively, how do you recover the data on an unmountable lvm logical volume?
I recently added a second hard disk, extended my volume group and ...
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The opposite of mount -o loop: can I read a block device as a regular file?
I'm trying to back up an LVM volume using Duplicity (note: not just the file contents of the volume, but the actual volume itself, byte-for-byte).
The best way I've so far found is to dd all the data ...
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Home Server: storage virtualisation, what to choose?
I'm looking for virtualisation solutions for storage and OS for a home server. A sort of private cloud where I manage the storage space independently of the VM one.
This question focus on storage ...
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Installing Windows on a LVM partition, next to already installed Ubuntu
I have a SSD driver partitioned with LVM, here is lvm lvs output:
LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert
lts ubuntu -wi-ao-- 103.14g ...
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XFS Incorrect statement of "No space left on device"
I have a server setup of an XFS partition on LVM on a Ubuntu 14.04.1 LTS. While copying files to the home partition, "No space left on device" is displayed.
df -h displays sufficient space:
/dev/...
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Add unallocated space to lvm
I shrunk my windows partition and now have 10 GB of unallocated space that I now want to use to grow my / partition which is an ext4 in an lvm. I'm running Fedora 12.
I ran system-config-lvm but the "...
Newbie
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Creating a disk image of dm-crypt/LUKS encrypted LVM partition (Linux)
Is there any disk imaging software out there that can intelligently take an image of an encrypted LVM partition, if I provide the passphrase?
I am referring to software that is similar to Clonezilla ...
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How can I resize a partition managed by LVM?
I have a fresh CentOS install on my machine and I would like to make space on the drive available in order to install Arch Linux.
Unfortunately, LVM is new to me and doesn't appear to work well ...
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Are there any LVM like solutions for Windows?
Are there any LVM like solutions for Windows?
http://en.wikipedia.org/wiki/Logical_Volume_Manager_%28Linux%29
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How do I find what filesystem is on a logical volume?
I've installed Linux Mint 18 using logical volume management. This is my first experience with LVM. The installation process created the LV "root", and I'd like to know what filesystem exists in ...
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MD Raid 1 read balancing algorithm
I have searched via google but did not find any information on the read balancing algorithm for MD raid1.
Some years ago i have maybe read somewhere that it uses hashing the process id to determine ...
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LVM: How should I attempt to recover from PV and possible LV corruption?
This was my home file storage setup. It does not have backups because the RAID setup was meant to be the redundancy. I did not account for what happened and am paying the price. The setup:
Ubuntu 16....
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Advice on approaches to disk encryption in Ubuntu?
I'm considering encrypting the contents of my laptop, which runs Ubuntu 10.04 and has an ext4 + swap, and I'm wondering what the best options are here. I'm aware of:
TrueCrypt: either block-level ...
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Can I mount an LVM under Windows?
I have a dual-boot PC running Fedora and Windows 10. I would like to access the Fedora filesystem when the box is running Windows.
This answer makes me think the answer is "no" but it is a slightly ...
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