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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Convert LVM filesystem to LVM RAID1 (Ubuntu 10.10)
We just installed Ubuntu 10.10 on a server with ext4 and LVM:
$ df -l
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda2 1875309692 656114888 1123931624 37% /
...
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2answers
552 views
How do I install Ubuntu 10.04 with full disk encryption alongside other operating systems?
I always used the Full Disk Encryption option of the alternate installer, but now I need to keep another OS running in the first partition but that option seems only to be able to use the whole disk. ...
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3answers
3k views
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.
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2answers
465 views
Multiple LUKS+dm_crypt datasets demands multiple passphrases at boot time
I am experimenting with LUKS+dm_crypt. My setup is something like this: a LVM VG made of multiple Physical Volumes (PV). That VG contains multiple LV (Logical Volumes), most of them encrypted via ...
7
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2answers
840 views
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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4answers
4k views
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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1answer
74 views
Have Desktop Ubuntu Installed with 2nd HD having 2 LVM partitions: want to install LAMP
I have Ubuntu 10.04LTS Desktop version installed on a 300GB HD. I also have another 300HD divided into two 150GB LVM partitions neither of which are used at this time.
I want to install LAMP and run ...
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1answer
243 views
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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5answers
4k views
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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1answer
607 views
How to resize an encrypted LVM in RAID 1 in Linux?
I am running 3 partitions in RAID 1.
Partition : Mountpoint : Filesystem : Encrypted : LVM
------------------------------------------------------
1 : /boot : ext2 : No : No
...
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2answers
1k views
How can I copy an LVM configuaration to another machine?
I inherited a machine that's set up with 3 disks, managed by LVM (v 2.02.46-RHEL5). I just got a new box with the same hardware configuration, and would like to clone the disk setup by copying an LVM ...
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1answer
316 views
how to multi-boot/upgrade Linux from LVM-based partition
I currently have FC3 Linux which installed itself on the hard disk using LVM partitioning, so it is basically all one big partition. I would like to try some other distributions and upgrade to ...
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4answers
327 views
Is it possible to mount an LVM built on one machine onto another?
I've got a system with three drives that's build as a set of volume groups, under Ubuntu.
I'm moving the drives to my Gentoo server, which has space for all three.
Is it possible to somehow get the ...
7
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3answers
16k views
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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2answers
609 views
How do I access lvm disk with same VG name as current?
I reloaded my PC onto a new disk then put the old disk back in the PC to recover old files. I kept the same PC name. The OS setup routine appears to have used my PC name (stiffler) to create the LVM ...
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1answer
923 views
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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1answer
1k views
Ubuntu performance is bad with cryptsetup/lvm setup
I currently have the following setup on my laptop - harddrive is divided in 3 parts, first one is a /boot for my ubuntu, third one is a windows installation, and one in the middle is a encrypted ...
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0answers
580 views
LVM partition as “physical” disk for VMware Player
I would like to make a VMware Player virtual machine, where the disk would be stored on an LVM partition. I'd like to have the virtual disk contents stored on raw LVM logical volume, and not as a file ...
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2answers
2k 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 ...
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1answer
284 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 ...
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1answer
858 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 ...
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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 ...
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4answers
2k 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
...
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1answer
165 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 ...
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3answers
3k 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 ...
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1answer
355 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 ...
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2answers
422 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
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1answer
1k 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 ...
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1answer
625 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 ...
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2answers
12k views
How to mount LVM Volume?
I'm trying to mount an LVM2 volume, 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 name of it. ...
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1answer
169 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 ...
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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
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2answers
976 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. ...
4
votes
3answers
5k 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 ...
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2answers
327 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 ...
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1answer
436 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 ...
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1answer
766 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
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1answer
986 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 ...
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votes
1answer
2k 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. ...
