LVM is a logical volume manager for the Linux kernel

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Cannot decrypt hardrive. Password not accepted

I have been tackling this for at least 5 days now. Initially I couldn't get Ubuntu to recognise my already installed partition LVM with an Arch, Home, and Swap logical volume. I have now got Ubuntu ...
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1answer
595 views

“Device not found or ignored” when creating physical volume with bcache

I'm attempting to create an LVM volume on a bcache device, but getting "device not found or recognized", despite lsblk clearly showing the device, and bcache state showing "clean". OS is Ubuntu 13.10 ...
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1answer
95 views

How to partition for a successfull boot with raid5 + lvm +encryption

I have been trying to make this setup work for several days. The system never boots... When I do a setup without the software raid I can get it to work. How should I set up my system partition to be ...
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0answers
28 views

Create LVM without data loss?

I have three hard drives, one for the OS and two for media. All drives are currently on Ext4 partitions. One of the media drives is full, I'd like to use an LVM to merge the two media drives into one. ...
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19 views

Different behavior of 2 encrypted LVMs

recently i created ext4 on top of luks on top of lvm. about 20gb. i also have similar configuration (900gb) created long time ago - i don't remember how exactly i created it. both are not mounted on ...
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1answer
16k views

How is Trim enabled?

I have heard, that Ubuntu 14.04 will have Trim enabled by default. How will this be done? By adding a discards option to the ext4 mount options or by running a cron-job? Will the default options for ...
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1answer
51 views

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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79 views

How to increase the size of LVM partition on headless system?

I have a 320GB HDD and becoming full, and got a new 1TB HDD and wished to migrate everything to it. I am using LVM. I cloned the hard disk using dd, and extended /dev/sda2 to maximum available ...
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2answers
48 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
501 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
58 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
173 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
583 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
113 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
37 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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0answers
56 views

Help, installed Ubuntu with LVM2 and Raid1 - Mystery of the time traveling computer

I am a relative Linux novice, so please bear with me. A few years a go, I installed Ubuntu Server 11 to act as household web/email/file server. I had decided to move on from a Windows Server ...
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0answers
75 views

Help recovering eCryptfs user data

Ubuntu 13.10 x64 Chose LVM partitioning when I installed Here's the story from the beginning... I had a problem with the fglrx drivers preventing unity from starting correctly so I tried to repair ...
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1answer
198 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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37 views

Resizing Ubuntu 13.10 partitions

I installed Ubuntu 13.10 to this device ( picture below ) , and it has the following partitions on the picture below, i can't resize the extended partition, i want to create a NTFS partition on same ...
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0answers
18 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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40 views

Ubuntu partitions after installation

I installed Ubuntu 13.10 to this device ( picture below ) , and it has the following partitions on the image below, i can't resize the extended partition, i want to create a NTFS partition on same ...
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2answers
2k views

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
201 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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72 views

Mounting /opt/mongo on new partition or resize primary partition on VMWare server

i was assigned to add space to our virtual machine running ubutnu 12.04 LTS. Our provider increased disk space in VMWare and i now need to expand it from the system. The server has only one primary ...
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1answer
44 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
52 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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94 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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8k views

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
194 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
114 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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131 views

How to clean /dev/nbd device that makes processes to hang?

I am using devstack on Ubuntu 13.10. Once in a while lvs hangs when cleaning the stack. After some investigation, I found that the issue seems to come from a "corrupted" nbd device. Any process that ...
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1answer
306 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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78 views

How to map /dev/mapper

My actual LVM's are like: 1.LV Name /dev/VolGroup/lv_root VG Name VolGroup 2.LV Name /dev/VolGroup/lv_swap VG Name VolGroup But in ...
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1answer
73 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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35 views

Shrinking logical partition

Im trying to resize(shrink) my ubuntu partition. Ive done the following things: -checked GParted which returns 2 partitions: one which says extended under filesystem, which encases the second volume ...
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211 views

Ubuntu 12.04 Unable to automatically remove LVM data

![Unable to automatically remove LVM data][1] I am trying to install ubuntu 12.04 via preceed config onto Dell PowerEdge R710. I had RedHat installed on the box then I tried installing ubuntu 12.04, ...
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230 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
373 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
80 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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35 views

Safe to upgrade with encrypted disks

I am running Ubuntu 13.04 Server and I have it set up with LVM and encrypted disks. Is it safe to 'do-release-upgrade' or will the disk encryption interfere with the process?
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68 views

Ubuntu VPS repartition disk from command line

I know there are a lot of similar questions on askubuntu, but any of them did not solve my problem. I have virtual server with Ubuntu 12.04. I need more disk space for larg MySQL DB (~140GB). Admins ...
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0answers
183 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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61 views

How to fix broken upgrade on Ubuntu Server on USB thumbdrive with Encrypted LVM

Oh woes is me: I decided to do a do-release upgrade on my workstation and managed to bork my production workstation. My setup was as follows: 32GB usb key that Ubuntu Server booted from - this ...
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613 views

Can't boot gpt + raid + lvm disk

I bought a pair of 3Tb disks to replace some existing 2Tb disks in my Kubuntu system. I partitioned them both using GPT, making a small "bios_grub" partition on both: root@allhats2:~# parted /dev/sda ...
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5answers
1k views

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
829 views

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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39 views

Beginner need help after shrink mistake

I have a RAID5 created with mdadm and over it I have created one LVM volume group with 3 logical volume on it. There is a few weeks I have shrink the larger logical volume to give more space to ...
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1answer
3k 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
233 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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0answers
93 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 { ...