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.

learn more… | top users | synonyms

5
votes
2answers
3k views

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 ...
1
vote
1answer
348 views

Paritions “appear” in my raid 1 array after reboot, and the partitions in the array have changed names

I am moving my Ubuntu install to lvm over raid 1. I created the arrays with only 1 disk initially, planning to add the second disk later. I got the files moved and the system booted up succesfully on ...
0
votes
1answer
2k views

Why won't xfs_check run?

I'm running a fully updated Ubuntu 9.04 "Jaunty" i686 server. I have an single XFS volume in an LVM group called /dev/mapper/vg0-bigthree. If I boot to single user mode and ensure that the volume is ...
6
votes
1answer
2k views

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 ...
0
votes
4answers
3k views

Problem mounting LVM in ubuntu

A few months ago I have setup a server with three hard disks. The partition mapping the disks as follows: Disk /dev/sda: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders ...
0
votes
1answer
185 views

How to cancel the Linux LVM configuration?

I have installed Fedora 12. By default it is installed with logical volume configuration. Now I need to cancel the LVM and use simple flat partitions. My main concern now is not to lose my data. Any ...
0
votes
3answers
4k views

Merge LVM Partition with unallocated Space

I have a linux hard drive with three areas: /dev/hda1 - ext3 boot partition (20 MB) /dev/hda2 - lvm2 main partition (6 GB) unpartitioned space - 12 GB I would like to merge the unpartitioned space ...
2
votes
1answer
569 views

Gparted: Copy Greyed Out

I booted my system to a gparted linux live CD and I have two partitions: /dev/sda1 /dev/sda2 I want to move both of them to my new physical hard drive (called /dev/sdb). When I right click on ...
0
votes
2answers
460 views

LVM Extend… not sure the filesystem

I would like to extend my LVM partition. First I did lvextend -L +100G /dev/server/home Now I still have to extend the filesystem. The tutorials tell me to use resize2fs, but that only works for ...
2
votes
1answer
2k views

How does Ubuntu LVM encryption work?

While installing Ubuntu Server, during the partition step one of the options is "use entire disk and set up encrypted LVM" (see screenshots). Can anyone explain - or at least point to the necessary ...
1
vote
1answer
693 views

How to modify LVM Volume Group when I don't have all the drives connected

Prior to upgrading some of my hardware I had 4 drives used just as storage. Now I'm trying to mount the drives as an LVM but I don't have enough slots to connect all the drives at once now b/c they ...
3
votes
3answers
27k views

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 ...
1
vote
1answer
184 views

How can I backup an Ubuntu install with multiple partitions and restore it to a single partition (or LVM)?

The title says it all: I have a machine that has several partitions. I'd like to back it all up (preferably as a single image) and restore it to a single partition/maybe LVM. I've run into more and ...
4
votes
1answer
2k views

NVidia ION and /dev/mapper/nvidia_… issues

I have an NVidia ION board with 4 SATA ports and want to use that to run a Linux Server (CentOS 5.4). I first hooed up 3 HDs (that will be a RAID5 array) and a forth small boot HD. I first started to ...
4
votes
2answers
1k views

How can I make Grub recognise my old Linux Partition

Problem: I have two partitions. On one I have installed Fedora 9 and on my other partition I just installed Fedora 12. Now that I've installed Fedora 12 I can't get Grub to boot the old partition. ...
5
votes
3answers
7k views

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 ...
0
votes
3answers
597 views

Can I use Logical Volume Management when I have a Windows partition? And how safe is it?

I recently found out about Logical Volume Management. Seems interesting, but I have a couple of questions: Does it matter if I have a Windows partition? It seems that LVM is bound to the Linux ...
0
votes
1answer
518 views

“Dynamic-sizing / -resizing” of virtual machine storage space

This relates specifically to hosted virtualization tools like VMware Server / Fusion / Workstation, Virtual Box, and Parallels. In relation to both http://superuser.com/questions/61245 and ...
1
vote
1answer
901 views

Linux LVM “no volumes found” during boot

I have a strange problem. My Centos 5 box died and had to have the motherboard replaced. I got it back up and running and now when I try to boot I get a "No Volumes Found" message after the linux ...
3
votes
1answer
1k views

LVM vs /dev/md0 performance problem

I am trying to tune my NAS, running openfiler, and wondering why I'm getting relatively poor read performance from 4 WD RE3 drives in RAID 5. When I run hdparm on the meta device I get the levels of ...
2
votes
1answer
3k views

Creating LVM partition on SD card fails with “device not found”

I'm trying to create a single LVM volume on my SD card, using Ubuntu Netbook Remix. The SD card is at /dev/mmcblk0. So far, I've used fdisk to create a partition (type 8e - Linux LVM) on the device. ...