LVM is a logical volume manager for the Linux kernel

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Howto make “update-grub” to ignore guest volumes on a KVM Hypervisor?

I have some Ubuntus acting as a KVM Hypervisor and, every time I run "update-grub" on those servers, it takes a lot of time to finish and makes too much disk IO. I'm seeing that it tries to find ...
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2answers
58 views

Move a system from LVM to standard partitions

I need to move a system which uses LVM to a system which uses normal partitions. I created the partitions on the new hard drive and I copied all the content of the root and boot partition to the new ...
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0answers
796 views

Unlocking Encrypted Root (LUKS on LVM) with “hidden” USB Keyfile

I have a Ubuntu Server 13.10 machine. Its root partition is encrypted with LUKS, which is then stored in a logical volume. On boot, the LV is mounted and then cryptsetup requests my passphrase; once ...
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1answer
80 views

Booting from LVM partition

I screwed up when I installed my machine awhile back and put the / partition (including /boot) into the LVM. While the machine will eventually boot, it won't boot non-interactively. For whatever ...
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1answer
331 views

Server 13.10, Raid1, LVM, EFI booting on 2nd disk

I've read a whole bunch of posts of trying to get your Raid1 to boot up on the second disk if the first one failed. Nothing has failed yet, but I'm trying to test my setup. 2nd drive comes up with ...
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1answer
2k 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
133 views

How to extend logical volume swap space to atleast 64 GB on SSD

My current configuration of physical volumes is as follows. --- Physical volume --- PV Name /dev/sda5 VG Name vgssd PV Size 190.89 GiB / not usable ...
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0answers
52 views

How to remove encryption from volume during installation

I'm currently in the process of installing Ubuntu Server 12.04 onto a fresh build. I have two 3TB hard drives that I'd like to run in software RAID 1, and was following this tutorial. During ...
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1answer
508 views

Format USB stick using LVM?

Is it possible to format a USB stick using LVM? I am interested in LVM because apparently it allows you to create instantaneous snapshots for backup purposes.
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0answers
24 views

Lv not showing correct in fdisk

I am working on a project with iscsi to create a iscsi-target and initiator. Right now i made a logical volume which looks like this: But when I do fdisk -l it shows: The problem is why does it ...
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2answers
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What are the advantages/disadvantages of the new encryption feature in ubuntu 13.10

I'm in the middle of installing 13.10 and the Ubuntu page I was following on how to install from a USB stick says nothing about these two choices (on the Installation type screen): 1) Encrypt the ...
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1answer
266 views

Help on resizing my LVM partitions

I need help on resize two LVM partitions as I'm afraid of loosing data. I'm using Ubuntu Server 12.04 headless mode. LVS: root@server:/# lvs LV VG Attr LSize Origin Snap% Move Log ...
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1answer
74 views

Why I cannot format the partition with Ubuntu?

I have a problam with formating my Ubuntu partition. I installed Ubuntu yesterday, after the succesful instalation i noticed that i have lost every data on my disk. Today I try to reinstall windows ...
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3answers
58 views

Partition the disk Without rebooting

How to extend the partition table Without rebooting? The change should be informed to kernel without rebooting.
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1answer
156 views

Booting monolithic kernel: cannot find root fs by UUID

I have built a monolithic kernel with the grsecurity patch, since I don't need many modules for the system and I need to optimize space. When trying to boot the new kernel, it yields a busybox shell, ...
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Setting up LVM Snapshot as a backup/restore point in ubuntu [closed]

since I could not find how to post this as a blog/post/tutorial in AskUbuntu.. I decided on posting it here, were it is best exposed anyhow ... Setting up LVM Snapshot as a backup/restore point in ...
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1answer
404 views

Is it safe to disable resize_inode on ext4 FS?

I have 2TB spanned LVM ext4 volume which contains large and mostly static files. With "static" I mean they usualy don't change in time. The volume is 99% full, and adding new files becomes very slow ...
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2answers
146 views

“ubuntu” shows up in boot menu, but my laptop keep telling me that “No OS detected”

I tried to intall ubuntu 13.10 on my Acer Aspire 4750 yesterday, and I think I make a mistake choosing that "LVM" option. Now I am facing these : "ubuntu" option now shows up in my boot menu. ...
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1answer
2k views

Logical Volume, Physical Volume and Volume Groups

Please can someone explain to me the meaning of Logical Volume, Physical Volume and Volume Groups? Of what importance and advantage are they in linux?
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1answer
98 views

Using LVM with two hard drives, 1 Solid State

I am setting up Ubuntu and just got to the option about using LVM to partition the hard drives. My understanding is that if I do this Ubuntu will be able to treat the two drives as one. That's great, ...
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0answers
373 views

Ubuntu Server 12.04: Boot hangs with error "udevd[538] inotify_add_watch(…) failed: invalid argument

I'm currently faced with the following situation: when rebooting a Ubuntu 12.04 LTS server after updating (it ran perfectly for a year or so, I updated it around two months ago and rebooted with no ...
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1answer
491 views

Lubuntu 13.10 Alternate install with LUKS LVM partition “adding additional” step failed

Setting up a dual boot Lubuntu and Windows 7 system on an old Gateway netbook. There are 3 existing Windows partitions, and during the Lubuntu install, I created two logical partitions, a small one ...
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0answers
96 views

Combine two hard drives

I have a PC with 2 physical hard drives, each is 500 GB (sda and sdb) I'd like to combine them in one large hard drive (1T). I couldn't find a clear approach on how to do it. I tried LVM with no ...
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0answers
280 views

LVM logical volumes do not activate on boot on 13.10

I am running an UbuntuGNOME 13.10 and I set it up without an LVM during the installation process. I am now running it with to encrypted partitions, one is containing a LVM. This all works fine, ...
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encrypted 13.10 will not reliably boot

EDIT: SOLVED! see http://askubuntu.com/a/403876/212688 i re-installed ubuntu 13.10 x64 on my vaio pro, in legacy, bios mode. the installation is lvm/luks encrypted and thus asks me for the encryption ...
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1answer
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LVM volume not accesible after accidental drive removal, now LV Status is suspended

I have a home server with a pool of 3 drives, and the OS installed in a thumb drive, this thumb drive had physical errors and I had to reinstall the OS, the LVM pool was working well after thumb drive ...
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1answer
6k views

How to resize partition that is inside “Linux LVM” partition

How to resize partition that is inside "Linux LVM" partition in 13.10 Ubuntu? I transferred Ubuntu installation from 160GB to 500GB disk. I have successfully resized sda3 partition using Ubuntu LiveCd ...
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3answers
601 views

Can't update: low space in /boot (LVM) - I already cleaned my Lubuntu with Ubuntu Tweak

I have low space on /boot partition and I can't update my Lubuntu. I have LVM. I deleted old kernels and used Ubuntu Tweak. I tried to loaded from LiveCD and with gparted grow up my /boot-size, but ...
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1answer
112 views

My server is making me download the code instead of running it

I am running an ubuntu server 12.04 but unfortunately I am not being able to make the interpreter run the code exactly. I am using nginx encrypted lvm and here is the conf.d (main part): server { ...
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30 views

Do I need lvm password and passeord for my user-account

Just install an new copy of Ubuntu 13.10 Now it give me the option to make an password on my lvm-volume.. But then I have to password to write, to do an full login! My lvm-password and password for ...
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1answer
89 views

How can i know whether the LUKS is using passphrase or key file for authentication purpose?

Lets an example, i have a Linux partition /dev/sda6 and already encryption been enabled with DM-crypt (cryptsetup) tool. As i know dm-crypt can have two way of authentication like with key file or ...
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709 views

LVM on encrypted partition drops me to initramfs root missing

I installed Ubuntu 13.10 64bit on my PC. I have single hard disk (/dev/sda) with LVM encrypted partition. So the problem is that after reboot I cannot start Ubuntu (it dropped me to initramfs prompt ...
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2k views

Understanding output of lvdisplay in LVM/Linux

I am new to Linux admin field I just want to know the meaning of following fields in lvdisplay output root@sandbox: lvdisplay rootvg/swaplv | grep -i '# open' # open 2 root@sandbox: ...
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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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1answer
1k views

ELF Header Smaller Than Expected

I am running Ubuntu 12.04 LTS LAMP server, and it won't boot. This problem started when I was trying to clean up /root and accidentally deleted all of the kernels using apt-get remove. I was able to ...
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1answer
2k views

Attempting to read LVM disk in ubuntu

I pulled a disk formatted in LVM from a NAS after the device failed, and need to recover the data, but I can't seem to get it to mount. This is the closest I got: root@peter-desktop:/home/peter# ...
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1answer
161 views

LVM - how is data allocated between disk

its quite possible I didn't understand what I was doing when I set it up, but... OK, I bought three 2TB drives that I wanted to use for media storage. I didn't want to deal with figuring out which ...
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1answer
2k views

Unattended Ubuntu installation LVM confirmation

I am working on getting an unattended install iso setup for deploying the current LTS of Ubuntu (12.04.3) and have everything just the way I want it, except it is still asking for me to confirm the ...
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1answer
201 views

I done a stupid mistake dual-booting windows with ubuntu 13.10

when I installed Ubuntu (successfully) with Windows 8.1, I had to re-install, because Ubuntu wouldn't load, so I re installed (on the installation page it said delete Ubuntu and reinstall) so I ...
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1answer
49 views

Recover LVM without boot HDD

I have scoured the 'net for an answer and am here as a last resort; I have a "NAS" running Ubuntu Server. It boots from a 250G HDD and there are 4 X 1T HDDs formatted as LVM. The boot HDD crashed and ...
0
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1answer
238 views

How to partition an encrypted disk

I've installed Ubuntu 13.10 and formatted my whole HDD ,and i chose to encrypt the disk and it automatically chose the LVM option (and put it as a logical partition) now after Ubuntu installed i tried ...
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1answer
479 views

accidentally use lvm during installation of 13.10

I have 2 partitions, one is for window and the other one is for Ubuntu. However I had a 12.04 version of Ubuntu , and I want to upgrade to 13.10. During installation process I choose replace 12.04 ...
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826 views

mdadm automount

I have a system running ubuntu 13.10, booting from a 50GB SSD. Attached to the motherboard are also three 2TB disks. configured into a 4TB RAID array. After ubuntu boots, I can mount the RAD volume ...
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1answer
2k views

RAID5 over LVM on Ubuntu Server 12.04.3

I'm trying to create a RAID5 software array using LVM. I use VirtualBox as I'm only learning how LVM works. So I've created 4 virtual SCSI drives and then did the following: pvcreate /dev/sd[b-e] ...
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1answer
895 views

EFI and working LVM partman-auto/expert_recipe?

I have an LVM based recipe that used to work on non-EFI based systems. How do I recreate the same recipe so that it works in EFI/UEFI mode? I have the following recipe right now (and I've tried ...
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1answer
3k views

Cannot access the filesystems using LiveCD (LVM2,EXT2)

I have to restore the /etc/passwd file I accidentally renamed in my Ubuntu Server, so I booted the machine using a LiveCD. Problem is, the system filesystem does not appear in Nautilus, under ...
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1answer
300 views

Ubuntu Server Raid Install

I am installing Ubuntu Server 13.04 on an ICH9R raid controller with 1tb of space (5 250gb Raid 5). Everything goes fine until the point of installing Grub. It will not install grub to anywhere but ...
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1answer
4k views

Fstab Mount new LVG

I am having difficulty auto-mounting my newly created LVG. I tried adding the following line to /etc/fstab: /dev/vgBackup/lvBackup /home/stuart/volume_backup ext3 defaults 0 1 I also tried swapping ...
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1answer
344 views

How does selecting “Use LVM” in the Ubuntu installer work?

I'm installing (L)Ubuntu using Ubiquity from a LiveUSB, and I want to use LVM, since I've read that it can organize my three hard drives to work as a single unit. If I check the box "Use LVM with the ...
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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 ...