LVM is a logical volume manager for the Linux kernel
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Migrating encrypted LVM to a new SSD
This question is related to How to migrate an encrypted LVM install to a new disk but I couldn't post it as a comment on the answer. Help is appreciated.
Anyway, regarding the solution on the ...
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LVM initramfs boot problem: “ALERT! /dev/mapper/vgcrypt-root does not exist. Dropping to a shell!”
I followed the guide linked below to create a clean install of Ubuntu on a LUKS-encrypted partition. The only differences are that I used Ubuntu 12.04 rather than 11.10 and I made less LVs than that ...
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18 views
How can I recover data from a corrupted Ubuntu LVM partition?
My first Ubuntu 12.04 desktop got corrupted and would not boot. I would like to recover the files from that PC so I tried to connect the HD to a second Ubuntu 13.04 but it would not mount. Below is ...
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1answer
38 views
unable to mount lvm partition
Hi I am trying to mount a new Logical volume. I am on ubuntu server 13.04. I have created the lv using the rest of the disk space. I am receiving this error :
NTFS signature is missing.
Failed to ...
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0answers
36 views
Recovering Encrypted LVM Wiped Out by 13.04 Destop Installer
I was trying to install 13.04 Desktop from a USB stick into an existing Encrypted LVM. As I went through the install and selected use custom disk partitioning in the GUI it showed all my existing ...
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3answers
201 views
Setting Up RAID During 13.04 Install
I am attempting to install Ubuntu 13.04 Desktop on a RAID, but I can't figure out how to do it. I have read that it can be done during the install, but no one cares to explain how it is done. I saw ...
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92 views
Questions about full disk encryption
Completely new user here, I've been reading for a couple of hours about ubuntu's full disk encryption but I just don't understand some basic points.
When installing ubuntu's full disk encryption, ...
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1answer
204 views
How can I install Ubuntu encrypted with LUKS with dual-boot?
Ubuntu 13.04 installation disk has an option to install Ubuntu encrypted using LUKS. However, there is no option to perform an encrypted installation along-side existing partitions for a dual-boot ...
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2answers
222 views
How to fix Ubuntu server 13.04 slower boot when network cable is unplugged
I have noticed that when I unplug the network cable, system waits about 100 seconds to configure the network, So I edited /etc/init/failsafe.conf and comment two wait() lines (thanks to tutorial here)
...
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19 views
LVM2 builtin raid - how to check raid status
I just created LVM2 builtin RAID1 (something like lvm mirrir, but newer) with lvconvert --type raid1 -m1 /dev/ubuntu/root /dev/sdb5, Ubuntu 12.10.
How can I check mirror status/health both in ...
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1answer
23 views
Bad HDD in LVM recovery time at boot
My server/desktop started reporting read errors on a HDD in my 16 drive lvm. The drive is a 2TB WD EARS model.
While I have a backup from April, I'd rather not loose the last month of changes, or ...
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21 views
raid/lvm /sys/block/md1/queue/scheduler = none?
cat /sys/block/md1/queue/scheduler
none
I don’t know what that means as a scheduler.
pvscan
PV /dev/md1 VG vg00 lvm2 [1.63 TiB / 0 free]
Total: 1 [1.63 TiB] / in use: 1 [1.63 TiB] / ...
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41 views
Can't boot after converting lvm2 root to lvm2 raid1
I have Ubuntu 12.10 (no updates, kernel 3.5.0-17-generic) on first HDD (sda), which uses MBR and was partitioned as "Use whole disk for ubuntu" with LVM2 enabled. Root filesystem is on LVM2 ...
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1answer
46 views
Can I add LUKS/LVM to an already installed Ubuntu system?
I know how to install a LUKS/LVM Ubuntu system using the alternative CD. Is it possible to do this with an already installed normal system? Meaning that I have an unecrypted system now and don't want ...
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2answers
798 views
Manual LVM encryption setup with Ubuntu 13.04
I am trying hard to get ubiquity works. The thing is that I want to setup Ubuntu 13.04 on a full encrypted LVM aside a Windows installation. So I can't use the default option of full disk encryption.
...
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1answer
69 views
Does LVM enable me to resize my /home partition?
With 13.04 here, I'm planning on wiping my computer and reinstalling. I have two hard drives, and I've heard that LVM allows the two drives to work together, as if they are a single drive.
I've also ...
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0answers
525 views
Ubuntu 13.04 will not erase previous Ubuntu with RAID
When trying to do a clean installation of Ubuntu 13.04 on a system that has a RAID controller and RAID5 volume set and also had Ubuntu 11.04 installed will not allow me to delete the RAID or even ...
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1answer
51 views
How can I access my Ubuntu boot disk files as external USB disk on Centos 6.3?
Not sure whether this would be more appropriate in a Centos forum, but I'll post it here for starters as I am more comfortable and familiar with Ubuntu. I recently purchased a server with Centos 6.3 ...
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1answer
33 views
Where can I find what filesystem lvm2 uses/
After a default installation of Xubuntu (12.10) on a SSD card, I now have the following set up:
A SATA disk:
/dev/sda1 --> extended
/dev/sda5 --> ext4 (mount point: /media/mark/
A SSD disk:
...
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1answer
44 views
How to migrate Ubuntu12.04 to LVM without any data loss
The current system is installed on the traditional disk, now I want to migrate it to LVM managed disk, how can I migrate it without any data loss?
I'm working with vSphere, so I can add and remove ...
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2answers
74 views
Shrink extended partition containing lvm
I have been bashing my head against the wall, regretting ever having opted into using LVM.
I need to shrink the 75GB /dev/sda2/ to make room for a new OS installation. To do this, I need to shrink ...
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0answers
40 views
How to get the grub boot menu in a encrypted single-boot ubuntu system?
Some time ago I installed Ubuntu 12.04.2 from the alternate CD, and choose the option of full-disk encryption. Now I tried to install the proprietary FGLRX driver, but the system lost power halfway in ...
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0answers
89 views
Rescue system with dmraid (12.04LTS)
I've installed ubuntu into a fakeraid (dmraid). I used fakeraid because I'll need to dual boot with my Windows 8, which isn't still installed. My array and its partitions looks like the following ...
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1answer
194 views
How to unlock partition in Gparted?
Im new in using Ubuntu and I cant seem to make any partitions for a new dual boot OS and the swap file or for any other matter i would want to use the partition because the drive is locked.
I have ...
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0answers
125 views
Buffer I/O error on device sdb after dmsetup
I reinstalled a server which was obsolete for its normal business. There is a RAID controller inside with 2 HDD's (80GB each, with Ubuntu 12.04.2 Server installed) and 4 SSD's (32GB each) with a ...
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0answers
69 views
help me understand lvm initial setup loop device
I have a (very) rough understanding of what lvm is, I'm finding it a little hard to grasp loop devices however. Anyway here's my issue:
Someone ran an Ubuntu server install for me and probably went ...
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0answers
20 views
Could i change name of sda5_crypt into crypt_sda5 in preseed?
I am trying to play with preseeding stuff, and stuck in one thing. When i use
d-i partman-auto/method string crypto (with lvm)
By default, i got three file in /dev/mapper that is my_vg-root, ...
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0answers
35 views
What happens when I expanding LVM+eCryptfs Volume (regarding encryption)
My system had a Windows partition using the beginning of a 500 GB disk, followed by a LVM setup with a Volume Group and several Logical Volumes (encrypted home, root, swap). I deleted the Windows ...
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3answers
234 views
How to create a LVM Partition/physical volume > 2TB
I was following this tutorial found here: How to set up multiple hard drives as one volume?
Which was working out great however i have a 3TB drive and every time i create the partition (whether it be ...
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0answers
28 views
can I easily migrate a working root system from non-LVM partitions to LVM partitions?
I am running an ubuntu 12.04 system with a lot of modifications on a system with two (identical) harddisks. At the moment those are not running any LVM partitions. I would like to start using LVM, but ...
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0answers
62 views
lvm disappeared after disc replacement on raid10
here my problem:
I am running ubuntu 12.04 on a raid10 (4 disks), on top of which I installed an lvm with two volume groups (one for /, one for /home).
The layout of the disks are as follows:
Disk ...
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2answers
112 views
Are there any LVM gotchas?
I have been playing around with LVM on a virtual machine. Until now I have found only advantages on it and I'm thinking about using it on my real machine the next time I do a fresh install.
I have ...
2
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0answers
183 views
Remove lvm to install Ubuntu
I am trying to install Ubuntu. However I have an lvm on the drive I want to install Ubuntu on.
Gparted cannot remove the lvm which is /dev/sda6.
How can I remove the lvm to instal lvm over it?
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28 views
How to configure and run hadoop cluster on LVM(Logical Volume Manager)
Well i am new to the concepts of LVM(Local Volume Manager) and have create volumes in Ubuntu
Actually I am using windows and putty.Now i have also created LVM in that putty.
My question is whether ...
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0answers
72 views
Full disk encryption - adding disk
I've installed Ubuntu 12.04 Server using the encrypted volume with LVM option. I've now added another harddrive, that I wish to encrypt using the same key - and only supply key once during boot.
How ...
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1answer
234 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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1answer
240 views
How do I resize an encrypted LVM to install another copy of Ubuntu?
I have an old PowerBook which has been happily running Ubuntu Server for a few months. Now I want to repartition the hard drive and install Ubuntu Client, while keeping my existing installation ...
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1answer
162 views
How to migrate an encrypted LVM install to a new disk
I have a somewhat customised laptop install I want to move to a SSD directly, without having to reinstall Ubuntu, reinstall all the apps and make all the other changes again. The SSD is smaller, so I ...
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0answers
68 views
How to view and manage encrypted LVM partitions after installation?
I did a full disk LVM installation. I now want to share the /home folder with another linux distribution installed on another hard disk. But I can't work out how to do this because I can't see what's ...
2
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0answers
108 views
MD + LUKS + LVM will not cleanly shutdown
My setup is currently raid1 + luks on each md partition and lvm on top to stripe between the arrays. There is only one volume group with one logical volume currently.
sdc ...
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0answers
53 views
LVM encryption: How does it work?
I set up LVM partitions on Debian (which is the same as doing it on Ubuntu).
How does it impact performance and how secure is it? Do I need to have access to the console when it reboots to provide ...
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1answer
99 views
Access/mount the partitions inside an LVM2-based disk of a shut-down KVM guest?
On the KVM host how can I mount the volumes on the disk of a KVM guest that has been shut down, if the disk was configured to be an LVM2-based volume?
The KVM guest was installed using the normal ...
2
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0answers
91 views
new 12.04 on existing lvm with encrypted /home - cannot login?
After a few unsuccessful installation attempts I finally found this guide that looked all set to solve all my problems. After following it however - reinstalling and doing the "Repair the boot image ...
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0answers
130 views
How to install Ubuntu Server 12.10 on Proliant Microserver?
I am trying to install Ubuntu Server 12.10 on my Proliant Microserver N40L but I am having problems.
I want to install it on the 5th drive, connected to the 5th Sata port. Everything seems fine until ...
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1answer
156 views
Use LUKS and LVM on install to external drive
So I have a laptop running Backtrack 5 R3 using LUKS and LVM, manually configured, and I'm trying to install Ubuntu 12.10 to a USB 3 external drive and use LUKS and LVM on that as well, but I can't ...
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3answers
158 views
Problem with LVM over mdadm with NTFS. Is it possible?
I am a bit of a linux newbie, and i have come across an error that i dont really know how to troubleshoot.
my idea is to cram 6TiB drives into a box, make three sets of raid1, then stretch a logical ...
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1answer
791 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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1answer
516 views
Performance tuning/diagnotics help needed… (12.04LTS 64bit, LVM, & LUKS)
I just performed a fresh install of 12.04LTS 64-bit, using the alternate CD, with LVM and LUKS. Install went fine but I've noticed a few quirks and was hoping for some pointers/suggestions from the ...
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1answer
794 views
Manually installing Ubuntu 12.10 with LVM
I have a 8 GB flash drive. I need it to install Ubuntu with encrypted LVM. When I use automatic partitioning everything is be okay and works. But the machine sets 2 gigabytes SWAP, an unreasonably ...
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1answer
105 views
ext4 filesystem wrongly detected as jmicron_raid_member
I have an installation of Ubuntu 12.04 on an SSD disk that I'm unable to boot after a kernel upgrade and a reboot. Additional things that might be a possible cause is that I did some cleanup (dpkg -r) ...
