In computer storage, Logical Volume Management or LVM provides a method of allocating space on mass-storage devices that is more flexible than conventional partitioning schemes.

learn more… | top users | synonyms (1)

2
votes
1answer
322 views

kickstart partitioning error with LVM

In Kickstart, I keep on getting the error; Adding this partition would not leave enough disk space for already allocated logical volumes in vg_ibus I do not get why I am getting this error. ...
1
vote
1answer
236 views

How to automount lvm on startup ubuntu?

I'll start some background that can be skipped: I have an ubuntu machine that I installed some time ago with the default partitioning on a an 80GB hard drive. The machine runs has rTorrent that starts ...
0
votes
1answer
75 views

How to create new logical volume by taking the space from an existing one

I am new to the world of logical volumes. I have installed a Linux (CentOS), and the installer created an 50 GB root logical volume (mounted at /), and a 475 GB home logical volume (mounted under ...
0
votes
1answer
59 views

LVM can I extend a logical volume across 2 volume groups?

I resized my /opt which was the only logical vol in vg2 but I want to give that freed space back to / which is on vg1. Is this possible? pvscan output below. I want to grow my / partition which is ...
0
votes
1answer
360 views

DRBD LVM - backed vs. physical & LVM filter

We're experimenting with DRBD/pacemaker on top of an existing Debian 6 Encrypted RAID1 setup. We have one comparatively general and one comparatively specific question: 1) DRBD - backed vs. ...
0
votes
1answer
51 views

Volume group not created

I have a Professional XXL with 2x 1TB HDDs (1TB RAID) server from velia.net and i want to create a volume group in it but when first i create pv it's showing. [root@xen17 ~]# pvcreate ...
0
votes
1answer
534 views

PacemakerDRBD Mount Issue

We are stuck trying to get pacemaker to work with DRBD, and having tried various alternatives can't get our "drbd1" to mount and get some errors. NOTE: we are trying to get pacemaker to work with an ...
2
votes
1answer
380 views

I can't mount a LVM snapshot on a XEN host

I'd like to backup my XEN VMs by copying-rsyncing a LVM snapshot. I'm trying to mount a snapshot that contains a XEN guest's virtual disk (ext4). Below are all the steps I follow. I can't mount the ...
0
votes
1answer
223 views

8kb block sizes as it relates to different storage layers

I have a PCIe SSD card that uses 8kb block cells. It supports "Virtual Controllers" that can split this drive in half and create LVM RAID0 with 8kb stripe size. On top of that I install a file system ...
1
vote
2answers
284 views

What kind of performance overhead with LVM on Fusion ioDrive2 as Oracle DB 11gR2's Flash Cache?

This is a bit wordy, so please bear with me. :) We have a RAC cluster of 3 Oracle 11gR2 servers and purchased FusionIO ioDrive2 PCIx cards for these servers to use as OracleDB's Flash Cache. These ...
0
votes
1answer
99 views

Convert clustered LVM volume group to stand alone

I am running clustered LVM, and I need to convert my cLVM VGs back to stand alone. It appears that I should be able to run "vgchange -c n " with out losing any LVs. The only thing I need to do is ...
0
votes
1answer
52 views

Postfix smtp redirected and not sending

I'm new to this so please go easy if I don't explain it lugubriously. I'm admin'ing a debian based KVM/LVM server. It has several VM's on it but two that are the problem. Recently I had to clone VM A ...
6
votes
1answer
495 views

Grub2 reports physical volume pv0 not found on server non bootable anymore

I first installed my ubuntu server (11.10 amd64) using lvm but not fully mastering the concept of it. I think that's partly what made the mess of partitions on my two disks (seems to me). I installed ...
1
vote
1answer
771 views

Guest system managed by libvirt doesn't start after successful installation

Host system — Ubuntu 12.04. Virtualization — KVM. Disks — LVM. Guest system installation was successful. But after restart: Booting from Hard Disk... Boot failed: could not read the boot disk ...
1
vote
1answer
674 views

How to increase the inode size

I have Ubuntu 11.10 Server 64bit. my clients upload a lot of small xml files on my server. and my business needs all of those files. I have storage space, but the problem is in inode size. by running ...
0
votes
1answer
128 views

scripted resize kvm images

I'm examining the possibility to script the resizing of a kvm image. The goal is to give our customers the possibility to upgrade their vps online. So for instance if a customer has a vps of 10G then ...
0
votes
2answers
210 views

Trouble enlarging a lvm2 partition - “New size matches existing size”

I have a VM running Ubuntu. It used to have 30GB of space; I need to increase the size of the data partition, a LVM2 one, to 50GB. I changed the size in the VM's management console and this is what ...
0
votes
2answers
160 views

LVM in cluster — need an advice

I'm trying to configure a 2 node cluster with shared storage, but the configuration is probably little unusual. It is described below: Both nodes have access to a shared storage that has a number of ...
1
vote
1answer
235 views

Can I get rsnapshot to create LVM snapshots on a remote machine?

I'm currently running rsnapshot on host1, backing up some files from host2 using the inbuilt SFTP support (I have daily, weekly, and monthly backups running in a standard rsnapshot configuration). ...
0
votes
1answer
618 views

Centos 6.3 disk space allocation

Apache can use only 50GB, so if my websites go over this amount the server crashes. THis VM has 200GB allocated to it. But I did not set up the volumes correctly. How can I allocate some of the space ...
-2
votes
2answers
77 views

Solution to manage data server with multiple drives

I'm looking for some pointers on the best way to manage a Linux data server, with 20 hard drives and with new files always being added (around 30GB/day). Performance is not important, reliability is ...
1
vote
3answers
244 views

Linux VMware data store larger then 2TB using lvm?

I'me trying to think of the best way to create one logical volumne on a linux VM to be over 2TB. I need to make one logical volume that is 8TB and have access to this amount on the my SAN. I know ...
1
vote
2answers
548 views

Migrate guest from KVM to VirtualBox

I'm migrating some machines from KVM to VirtualBox for a transitional period while we build our new virtualization environment. The problem now, the disks are located on a LVM partition, and I have ...
0
votes
1answer
160 views

Resize LVM partition DomU Windows

I have a xen DomU running with Windows Server 2003 on a lvm partition has 10GB but i need more. if a Linux partition, I would do: # umount # lvextend -L +10G /dev/<VG>/<LV> # resize2fs ...
1
vote
1answer
108 views

Mount file systems from complete disk image with several partitions and logical volumes

I have a complete disk image (dd if=/dev/sda of=foo.bin) that contains several partitions and LVM logical volumes on which there are ext4 filesystems. How do I mount one of the filesystems on this ...
0
votes
1answer
283 views

Reduce root LVM Parition Centos 6.3

I installed Centos 6.3 as a KVM guest OS, and used the default partition settings. Now I noticed that my / partition is 50GB and my /home is only 20GB. I want to increase my /home to atleast 50GB and ...
0
votes
1answer
59 views

Arch Linux on Software RAID, can't find VolGroupArray

I am trying to install Arch Linux on a Software RAID that I am building following their instructions on the Wiki. I built as far as the Logical Volumes and after that switched to the Installation ...
2
votes
0answers
132 views

Debian: preseed partitioning results in deadlock

I'm using this code in my preseed.cfg for debian testing (wheezy): #Partman partman-auto partman-auto/init_automatically_partition select 50some_device__________regular partman-auto ...
1
vote
0answers
195 views

LVM failure recovery

We have an server PC with "intel matrix storage manager" raid (or maybe 'fake' raid) controller. Firstly there were one RAID-1 with two equal seagate disks of 1TB size. We've installed ubuntu server ...
1
vote
1answer
151 views

Exporting Volume Group From One Server To Another Difficulties

I'm attempting to migrate a volume group from one Ubuntu 12.10 server to a new Ubuntu 12.10 Server(upgrades). My existing VG is spread across 3 physical drives, and within the VG is 2 logical volumes. ...
3
votes
1answer
543 views

How to find the physical volume(s) that hold a logical volume in LVM

I have a volume group (VG) that contains two physical volumes (PV). Several logical volumes (LV) in the VG are likely to use extents on both PVs. Is there a way to tell which LVs occupy space on ...
3
votes
2answers
228 views

Fix overwritten LVM physical partition

I used a whole device as LVM physical partition, just so sudo pvcreate /dev/xvdg Unfortunately, while this was in use, I then accidentally overwrote some data (I think), by writing a new partition ...
0
votes
1answer
72 views

Extending Ubuntu LV - added new HDD

I have installed a new hard drive into my pc and followed this guide to extend the logical volume but I have barely gained any space? ...
2
votes
0answers
308 views

How to clone LVM thin provisioning volume?

I googled many times but couldn't find an answer. What I want is cloning an LVM thin provisioning volume to another thin volume. For now I know dd can clone a thin volume as following: dd ...
3
votes
4answers
2k views

How to change a physical partition system to LVM?

I have a server with Debian that have 3 physical partitions covering all the disk: boot, root y swap. Now I want to replace that partitions with LVM partitions. I know how install Debian with LVM at ...
2
votes
1answer
940 views

Redhat cluster Vs Pacemaker Vs Gluster Vs Sheepdog

Changing the entire question as earlier one was very confusing. I have been exploring different clustering system to run Virtual machines on two different machines on LAN with high availability. ...
1
vote
0answers
164 views

Backing up VMs to a tape drive

I've got myself one of these fancy tape drives, HP LTO2 with 200/400 GB cartridges. The st driver reports it like this: scsi 1:0:0:0: Sequential-Access HP Ultrium 2-SCSI T65D I can ...
1
vote
2answers
855 views

ZFS/Btrfs/LVM2-like storage with advanced features on Linux? [closed]

I have 3 identical internal 7200 RPM SATA hard disk drives on a Linux machine. I'm looking for a storage set-up that will give me all of this: Different data sets (filesystems or subtrees) can have ...
1
vote
1answer
225 views

Restore data from overwritten LVM

I lost all of my data (8 TB) which I collected over the past few years yesterday because I made some seriuos mistakes during the remounting of my LVM. I run a XenServer5.6 installation with additional ...
0
votes
1answer
208 views

adding drbd to an existing lvm

I'm going to add drbd to an existing LVM, I want to keep LVM data. I follow this post: http://lists.linbit.com/pipermail/drbd-user/2009-February/011464.html what I already did stopped kvm virtual ...
1
vote
0answers
204 views

what is an lvm floating range? [closed]

I've heard of something called an "lvm floating range" however I am unable to find any information about it on google. Can someone please explain this? I found it in an exam sim.
1
vote
1answer
95 views

Can LVM and Traditional Partitions Coexist?

Can you set up a machine in which different drives are formatted as either LVM volumes or as traditional partitions and mix and match the two? For e.g. have the LVM volume mounted as / and /home and ...
0
votes
2answers
211 views

Best redundant way to set up multiple drives of different sizes

I have a linux server (running Ubuntu 12.04 Server currently) that I need to set up multiple hard drives of differing sizes in primarily for media/backup purposes. The sizes are: 1x2TB 1x1TB ...
1
vote
1answer
2k views

Adding Virtio block devices at runtime in Libvirt KVM

I'm running Debian Wheezy Beta 4 with KVM based guest systems which run the same operating system. I'm using LibVirt to manage the virtualisation. What I would like to do is to attach an LVM based ...
-3
votes
1answer
200 views

LVM showing as individual partition in RHEL6

When I create a Logical Volume on my Hard disk and new partition is showing in fdisk -l output. [root@linux1 ~]# fdisk -l Disk /dev/sda: 21.5 GB, 21474836480 bytes 255 heads, 63 sectors/track, 2610 ...
1
vote
1answer
545 views

Problems mounting HPUX LVM+VXFS filesystem on Linux

I have a physical disk from a HPUX system that I need to access from a Debian Linux for ia64 system. From the hpux-lvm-tools project I have the tools to access the HPUX LVMs (Linux LVM has a different ...
0
votes
2answers
124 views

Resizing LVM and data loss

I currently have a LVM volume that is 128 GB. It has one physical drive associated to it. If I were to add a second drive to expand it, but then later remove it, would I get data loss. I know that ...
3
votes
1answer
2k views

Mounting an old LVM hard drive in Fedora 17 gives error message

On Fedora 17, I am trying to mount a hard drive as slave using the following command: mount /dev/sda5 /mnt/fedora8 And I get this error: mount: unknown filesystem type 'LVM2_member' How do I ...
1
vote
2answers
333 views

add space to virtual disk on vmware

I have a VMWare Server 3.5 system with 2 VMs. On one powered on vm I changed the disk size from 1TB to 1,5TB. But the vm didn't see any new unallocated space so that I reboot twice the server. But ...
2
votes
0answers
221 views

pvcreate not working: can't open exclusively

After having added 2 disks of 1Tb to a Dell PowerEdge, I went through their initialization with the goal to add them to an existing LVM VG. When the MegaCli background initialization went complete, I ...