Logical Volume Management provides storage abstraction, a generalization of disk partitioning.

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1answer
398 views

Would this LUKS LVM rsync restore method work?

I have an Ubuntu installation using LVM and LUKS encryption. LVM and encryption were chosen during the install process). While logged into it, I backup the full live system using rsync to another ...
2
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1answer
4k views

No logical volume groups found, LVM stuck at boot

I'm running Ubuntu 14.04 (64bit). Long story short, I've compiled a custom kernel and now I'm running into some issues with my encrypted hard drive. When I boot my machine and attempt to start the ...
2
votes
1answer
11k views

LVM not coming up after reboot, couldn't find device with uuid

Had a VM that was, up until recently working without issue, but needed to be rebooted after some configuration changes. However after rebooting the VM didn't come back up, saying it couldn't find the ...
2
votes
1answer
726 views

Can I convert an existing LVM VG to a stripe (RAID0 eq)?

I have an existing LVM volume group of 3 disks (ext4), with 4 logical volumes. Not quite ready for the leap to a nextgen FS, I would like to balance the load on the disks. I have seen you can create ...
2
votes
1answer
610 views

Recover MDADM Raid 5 in LVM with badblocks

I'm pretty sure I'm dealing with at stuffed RAID 5 array. Two of the drives were listed as failed in /proc/mdstat and mdadmdetails: 0 0 8 33 0 active sync /dev/sdc1 ...
2
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1answer
3k views

VBoxManage: Error: Can't be used as the requested device

I used the soluton from this thread but always i get VirtualBox error: The medium 'lvol.vmdk' can't be used as the requested device type (0x80004005) I've tried all controllers SATA, SCSI, IDE and ...
2
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3answers
7k views

New menu entry in GRUB2, “file not found” and “you need to load the kernel first” errors

I wanted to add new menu entry to my GRUB2 list. This is how I tried to do this and necessary info: Erros after choosing "Debian Wheezy" menu entry from GRUB2 list: error:file not found error:you ...
2
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3answers
811 views

Recovery of data on raid5+lvm reiserfs partition, after raid5 problems

I've got a server with 3 sata hard drives. Each has 2 partitions: one small is part of /dev/md0, a raid1 array (/boot), rest is part of a raid5 array (/dev/md1), which is an lvm physical volume. ...
2
votes
1answer
453 views

curious soft raid 5 setting inconsistency

Lately I bit the bullet and upgrade my OS from Fedora 11 to Fedora 15, and I've been trying very hard to figure out why Fedora 15 can't see the Raid setup that I created in Fedora 11. I think I must ...
2
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1answer
469 views

LVM tools on raw block copy

I have several raw block copies of disks that have both NTFS and Linux partitions. The parition tables generally have both a Windows NTFS partition and a Linux LVM partition. I need to work on all of ...
2
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0answers
13 views

How to shrink sda disk with XFS filesystem

We have a RHEL 7 server with 2 disks (sda and sdb). Our /, /var/log and swap are on sda, /var is on sdb. We use LVM and XFS. sda is too big (160 GB) and we would like to shrink it to 40 GB. We can ...
2
votes
1answer
47 views

grub can't find CentOS 7

My desktop was tri-booting between Ubuntu 2.04, CentOS 6, and Windows. I installed CentOS 7 in the space that CentOS 6 used, but update-grub doesn't result in the new CentOS showing up. I can only ...
2
votes
1answer
90 views

Found Duplicate PV in LVM disk scan

I have a VPS, and I attached another hard disk to it. It contains the same partitions I have on my current disk; it has / and /boot and swap. I need all data on the / partition. Here is the output of ...
2
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0answers
28 views

Safest way to add/extend partition on linux [closed]

I have a linux server that is running out of space. There are already 4 primary partitions, which I believe is the max number of partitions. So I am unable to create a new parition as per this ...
2
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0answers
75 views

Lost space in LVM

LVM Hey. First of all I want to say excuse me for my bad English. I a problem after installing CentOS 7 with LVM. Some space lost after problem with LVM configuration. I tried to add some logical ...
2
votes
2answers
176 views

How do I restore my boot partition manjaro/arch?

I need to completely rebuild my boot partition. The file system has sda1 250mb for boot and sda2 lvm luks encrypted with ManjaroVG-ManjaroHome, ManjaroVG-ManjaroRoot and ManjaroVG-ManjaroSwap inside ...
2
votes
1answer
54 views

Reduce the size of an existing VolumeGroup to create a new PhysicalVolume

I have test machine that is set up with default partition settings for CentOS 6. [root@base_machine ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup-lv_root ...
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0answers
99 views

LVM partition not mounting

There was a drive failure on a disk in a RAID1 configuration. I removed the bad disk and reconfigured the RAID1 to only use the good disk. When I reboot the machine there are missing LVM partitions. ...
2
votes
1answer
1k views

Missing root VG, dropped to an initramfs shell. [SOLVED]

My Linux Mint 17.1 (64-bit) uses LVM on its OS drive (an SSD). I must have done "something" to wreck my system, because last time I rebooted, the boot failed. Instead, I got the message "Alert! ...
2
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0answers
156 views

GRUB doesn't find /boot in LVM

My system was installed with the Antergos installer and it runs encrypted GRUB. This works fine, just have to insert decryption key twice. Then I added LVM and created three LVM volumes, boot root ...
2
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0answers
97 views

Boot GRUB2 with Degraded RAID5

I am building a custom NAS with Debian Jessie. Has three 4TB hard drives in a software RAID5 configuration. Works perfectly when all three drives are present. I am trying to test what happens when if ...
2
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0answers
70 views

recover lvm formatted partition

I had 2 old drives having LVM installed showing as 1 drive. They were attached by the datacenter to the new server to migrate data but they weren't able to be mounted I tried everything possible until ...
2
votes
0answers
188 views

Mount LVM volume as external usb drive? CentOS 6

I'm trying to mount my old 2x500GB drives to the new server which has the same drive volume. Both have LVM structure but it's not working. root@server [/mnt/usb]# ls /dev/sd* /dev/sda /dev/sda2 ...
2
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1answer
126 views

How to reduce ext4 rootlv on centos 6

Is there a way to perform a safe reduce in rootlv at rescue mode? Most of the internet's explanations tells, basically, that it can be done using the following steps sequence: vgchange; fsck; ...
2
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0answers
67 views

Recoving LVM logical volumes after having to recreate the physical volumes

After reinstalling my system to a new SSD, my existing LVM was toast, it couldn’t find any physical volumes or volume groups. I also don’t have backups of my LVM configuration. Also to further ...
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0answers
3k views

Jessie: can't boot the kernel 3.16.0-4-amd64

I have been using Jessie for a few months now, and I had a problem booting my computer a few weeks ago. I had this error on boot: early console in decompress_kernel Decompressing Linux... Parsing ...
2
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0answers
338 views

Dual Boot Debian on Raid 0 in UEFI mode

My new notebook came from the factory with Windows 8 on two 128GB SSDs in RAID 0 mode. I wanted to dual boot it with a Linux distro, I settled on Debian, so I resized my C: drive as one normally would ...
2
votes
1answer
168 views

What is the UUID format used by LVM?

Linux LVM assigns UUID values to physical and logical volumes but they aren't valid RFC4122 UUID strings. Here is an example: 2185fe86-41d4-4311-9a47-8f0ebc7ecc5a RFC4122 ...
2
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0answers
393 views

Unable to boot with dracut and luks: '/dev/resume' : file exists

I am installing gentoo and have performed my first reboot after configuration and installation within my chroot environment. I am using LUKS and LVM to manage encryption of my drives. I am encrypting ...
2
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0answers
251 views

USB ethernet device not working in VM

I'm having trouble getting a USB ethernet device working in a qemu-kvm/libvirt VM. The problem is that even though the guest OS sees the USB device just fine it can't mount it. lsusb on the guest ...
2
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0answers
64 views

recover lvm after loosing partition table

On one of my hard drives had a few physical volumes/partitions and lvm on them. And then I lost partition table. I still have files from /etc/lvm/* how can I recover my data?
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0answers
2k views

How to restore /sysroot on Fedora 20

I can't boot my Fedora 20 system as usual. Upon boot I get the message Entering emergency mode. Exit the shell to continue. journalctl reveals the following: systemd[1]: Starting Switch Root... ...
2
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0answers
16 views

How to increase an FS using a LiveCD - that has SW RAID+LVM

If we have an older OS and can only increase the FS if we umount the FS because it is the ex.: /usr - then we have to use a LiveCD. The /usr is in the rootvg (LVM) that is on a SW raid Q: What are ...
2
votes
1answer
799 views

How to reduce LVM size and increase one existing partition's size

I want to add 7 GB space to one of my existing partitions (/dev/xvde1), and reduce an LVM partition by 7 GB (/dev/mapper/vg--home-lv--home). My total disk size is 40 GB. Detail of partitions is as ...
2
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2answers
664 views

KVM linux guest, 2nd HDD, LVM partition or whole disk

I've got a RAID 10 arrays on a couple of KVM host machines. The RAID 10 array is one big VG. I usually create a small LV for guest disk image storage then the rest of the VG I carve out as LVs to add ...
2
votes
0answers
307 views

Unmount external drive with LVM2 Physical Volume on it

I've got my Ubuntu 13.04 install backed up to my external hard drive using deja-dup. I formatted the drive with lvm so I could use the rest of the drive for external storage while having the resize ...
2
votes
0answers
2k views

What steps can I use to recover a RAID 1 array with LVM and EXT3 on it?

Someone handed me a drive that used to be part of a RAID 1 (mirror) array. The drive apparently has LVM (1?) on it and EXT3 (I believe). What steps can I take to regain access to this drive? ...
2
votes
1answer
376 views

LVM issue with VM - Physical disk not present

Am trying to troubleshoot an issue that has arisen during a DR test and admit from the outset that LVMs are not my forte. We have a RHEL6 VM running on ESXi 5.1. We are using a LUN to LUN ...
2
votes
2answers
9k views

Change Partition Table with GParted

I have an Ubuntu 12.04 LTS server that has 6x600GB SAS drives in a RAID 5 configuration (Perc 6/i). The partition scheme looks like this: Partition File System Mount Point Size /dev/sda1 ...
2
votes
1answer
452 views

LVM keeping harddisk awake?

I have a Lenovo W530 running Arch with kernel 3.79 (for bumblebee) and laptop-mode is configured properly and running. It has one SSD (sdb) and one harddisk (sdb). The sdb disk has two lvm-volumes: ...
2
votes
1answer
870 views

Problem with permissions when sharing a mounted filesystem

I am setting up a linux to act as a fileserver, using CentOS 6.3. Since I want to have disk quotas and can't install LVM (it is a 32 bit machine), I am using an LVM volume with ext4 mounted as ...
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1answer
3k views

Install Backtrack 5 r2 into running LUKS setup installed with ubuntu

One Harddisk (sda) Two Partions. With a working ubuntu running. 1) /boot 2) LVM with this virtual volumes/partions/ or whatever they are called inside: Swap Ubuntu Home Prepared for Backtrack Of ...
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2answers
808 views

Migrate an entire volume group LVM2 to RAID5

I have a Virtual Host server build with Ubuntu and Xen SO Ubuntu 12.04.1 LTS 64Bits xen-hypervisor-4.1 Disk Hitachi SAS 15K 147GB (x2) in a Volume group sda1 1GB /boot sda2 146GB lvm sdb1 ...
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2answers
7k views

How to extend LVM in RHEL 5.6

I need to extend the LVM on one server. This is the output of df -h: Filesystem Size Used Avail Use% Mounted on /dev/cciss/c0d0p2 58G 26G 29G 48% / ...
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1answer
11k views

How to change the Name of Logical volume in Volume group

I created an LVM and inside that i created Volume Group and within it created Logical Volume and given the mount point /u001/app/pracle I named it wrong instead of ORACLE i it should have been typed ...
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1answer
641 views

fstrim “the discard operation is not supported” with ext4 on LVM

Attempting to run fstrim on my root partition (which is ext4 on a LVM logical volume, single physical volume—an SSD supporting TRIM) produces an error: fstrim -v / fstrim: /: the discard operation is ...
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3answers
112 views

Resize an existing LVM partition and add the space to another LVM partition

I'd like to resize an existing LVM partition and add the space to another LVM partition. [root@dckapstaging ~]# df -h Filesystem Size Used Avail Use% Mounted on ...
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2answers
198 views

How to find the underlying disks of a mirrored volume in LVM (linux)?

When I run command lvs -a the output shows the logical volumes from which the mirrored-volume has been made but how to find the actual disks from which the sub-logical volume were allocated. Any ...
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2answers
6k views

list the devices associated with logical volumes without using lvm2 package commands

I want to list all the physical volume associated with logical volume. I know lvdisplay, pvscan, pvdisplay -m could do the job. but I don't want to use these commands. Is there any other way to do it ...
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2answers
2k views

How to resize logical volume to fit filesystem

How can I resize logical volume to fit filesystem automagically?