Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [lvm]

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.

1504 questions
0
votes
1 answer

disk showing busy

Want to create LV Group but when i unmount /dev/sda5 this showing [root@xen01 ~]# umount /dev/sda5 umount: /: device is busy umount: /: device is busy This means disk /dev/sda5 is busy and due to this i can't create phsical,logical…
user133916
  • 23
  • 2
  • 10
0
votes
1 answer

Can I use free space of a used partition as Volume Group?

Is it possible to use free space of a partition mounted on / as volume group? I mean creating VG on that free space, does it cause any problem?
Zim3r
  • 1,454
  • 5
  • 24
  • 45
0
votes
1 answer

Resize Logical Volume Group

Hi ServerFault Community. To this volume group: --- Volume group --- VG Name virtual-machines System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 2 VG Access …
lug
  • 41
  • 1
  • 8
0
votes
7 answers

Which RAID/LVM configuration for new 2x8TB file server is safest?

I just built a totally new PC to be a fileserver. It has one 60gb SSD for OS (ubuntu 12.04), and 8 2tb data drives in it. I am looking for the safest, most stable way to set up a single giant storage pool with redundancy. Considerations: My TOP…
user1169420
  • 125
  • 4
0
votes
1 answer

How do I recover from boot error when my root is on RAID and LVM?

When a (Archlinux) system that has its root on RAID and LVM is misconfigured and does not boot, what steps are needed to recover it?
Tinco
  • 137
  • 7
0
votes
4 answers

How can I create one big volume from multiple drives, but loose only the files stored on one disk if it fails?

I am running a storage system. Fault tolerancy is handled at application level (files are stored on multiple servers, even datacenters). Therefore I don't need nor even want redundancy within one server (Raid 5 would be OK but I run commodity budget…
The Shurrican
  • 2,240
  • 7
  • 39
  • 60
0
votes
1 answer

How to deal with LVM encryption on remote restart?

Is there a way to handle the LVM mounting password remotely? This is usually presented during boot on the main console (where the machine physically resides at). I am able to ssh in during the prompt, but other services (like http, ftp, etc) will…
Chad Harrison
  • 6,990
  • 10
  • 29
  • 41
0
votes
1 answer

LUKS with LVM, mount is not persistent after reboot

I have created a Logical vol and used luks to encrypt it. But while rebooting the server. I get a error message (below), therefore I would have to enter the root pass and disable the /etc/fstab entry. So mount of the LUKS partition is not persistent…
linxsaga
  • 41
  • 1
  • 5
0
votes
1 answer

LVM went into read-only file system mode. How to find out the reason?

I got the same error as Read-only root file system - ext3 error?. There is no error log in /var/log/message. Because root (/) is read-only, no log can be recorded. How can I find out the root cause?
valpa
  • 319
  • 9
  • 15
0
votes
1 answer

LVM cannot detect my swap or '/' volume group but why is the swap still present

i have a server (hp x86 blade running OEL/RHEL5) that has a faulty lvm filter configured in lvm.conf filter = ["a|^/dev/emcpower.*|", "r/.*/"] we also use cciss devices so there should have been an accept statement in there for them at /dev/cciss. …
jwinders
  • 125
  • 1
  • 9
0
votes
3 answers

Resizing LVM partition for KVM guest

I've created LVM partition for the KVM guest. The KVM guest is also using LVM partitions itself. The initial size of the guest's LVM partition was 160GB on the hypervisor. I've extended to 200GB. I've rebooted the guest and it recognized the new…
HTF
  • 3,148
  • 14
  • 52
  • 82
0
votes
1 answer

remove disks from active lvm

Have anybody experienced removing hard drives from active LVM group, and put them back after a while? (By remove I mean physical remove or remove from VM configuration if you use virtualization) Is there any chance that data will not be completely…
st0ne_c0ld
  • 23
  • 1
  • 3
0
votes
1 answer

Shrinking physical volumes in LVM on a Linux Guest in ESXi 5.0

The problem: Linux guest (OpenSuse 12.1), with multiple virtual disks attached. 3 disks are in a logical volume, two of which are exactly 2TB. None of the disks are independent, and due to the backup software we use, cannot be independent. When the…
Stew
  • 23
  • 4
0
votes
1 answer

How to access partitions inside a logical volume from the host machine?

On a Virtual Machine Host Server I have a logical volume, /dev/my_volume_group/some_disk. The Logical volume "some_disk" has two partitions on it that were created by the guest machine. A swap and an ext3. How can I access the ext3 partition from…
Nick
  • 4,503
  • 29
  • 69
  • 97
0
votes
1 answer

Decrease one VolumeGroup, increase another

Is it possible to decrease the vg_home and increase vg_root? I am running RHEL. I need to know the steps. [root@web /]# uname -a Linux web 2.6.32-131.4.1.el6.x86_64 #1 SMP Fri Jun 10 10:54:26 EDT 2011 x86_64 x86_64 x86_64 GNU/Linux [root@web /]# cat…
madunix
  • 54
  • 1
  • 5
1 2 3
…
99 100