Logical Volume Manager for the Linux kernel manages disk drives and similar mass-storage devices, in particular large ones. "Volume" refers to a disk drive or partition thereof.
Questions tagged [lvm]
448 questions
3
votes
2 answers
LVM Recovery with a failing disk
I have an LVM setup on Debian 7.8 with kernel 3.2.65-1+deb7u1 running OpenMediaVault
The LV is made up from 4 disks
Disk /dev/sdb: 4000.8 GB, 4000787030016 bytes
Disk /dev/sdc: 2000.4 GB, 2000398934016 bytes
Disk /dev/sdd: 2000.4 GB, 2000398934016…
CJSewell
- 131
2
votes
0 answers
vgscan not finding groups after an unexpected reboot
I have an LVM partition on one of my disks:
Disk /dev/sdb: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512…
Shade
- 414
2
votes
1 answer
lvm vgdisplay shows 0 free extents, while df shows freespace
My vgdisplay shows 0 PE's. But if i mount the volume and run df -h i get loads of free space. Is this something to do with the way lvm allocates extents? I don't get similar behaviour from my other vg. Find below the vgdisplay output and df…
2
votes
2 answers
How logical volumes larger than a single disk are stored into multiple disks?
I have one LV that spans across 2 phisical volumes, 2TiB each, for a total size of ~4Tib.
Is LVM going to first fill one disk and then start with the second one? In other words, supposing to take one of the 2 disks and attach it to another machine,…
Ignazio
- 123
- 1
- 5
1
vote
0 answers
Is it possible, or practical to "Nest" LVM VGs?
Situation is:
1x1TB 7200 HDD;
1x0.5TB 7200 HDD;
1x1TB 5400 HDD;
1x0.5TB 5400 HDD.
All interconnects SATA3.0+
Desired outcome... Join the 2x 500GB HDDs to form 1TB;
Present that to LVM as 3x1TB volumes for striping.
How would LVM handle striping with…
user497028
- 11
1
vote
1 answer
I/O error on dm-3 but I am not using LVM
I've got these errors, but I don't know what partition/disk corresponds to dm3 or even dm-3-8.
[22083.266714] Buffer I/O error on dev dm-3, logical block 33062912,
lost sync page write [22083.266727] JBD2: Error -5 detected when
updating…
Lucas Pinto
- 11
1
vote
1 answer
How to create a LVM and ext4 file system using lvcreate command only
How to create a LVM and ext4 file system using lvcreate command only. is there any swich in lvcreate command to include the file system type?
skv
- 11
- 2
1
vote
1 answer
mounting lvm based vmware disk file on another VM
I had a VMWARE based VM which is crashed due to uninstallation of some important libraries.
Now I want to mount its vmdk files as disk on another VM but it is getting failed.
The Disk is visible in fdisk.
Disk /dev/sdd: 32.2 GB, 32212254720 bytes
64…
Suyash Jain
- 284
1
vote
1 answer
deactivate and shrink LV /tmp
How can I deactivate and shrink the Logical volume mounted as /tmp safely ?
lvm> lvreduce --size 30GB /dev/vg_server4/LogVolTmp
WARNING: Reducing active and open logical volume to 30.00 GiB
THIS MAY DESTROY YOUR DATA (filesystem etc.)
Do you really…
0
votes
1 answer
Multiple LVM and Multiple hard drives.. again
I have a little (and might sound stupid) question.. but google didn't got me to a solid answer in all the weekend.
I am planning to make a file/webserver server for home/development use.. And I want to use LVM to be able to add storage space in the…
KnF
- 9
0
votes
1 answer
LVM default created volumes: Are they standardized?
I've noticed that in my LVM setup I have
lv_root
lv_home
lv_swap
Are these created by LVM for me on boot? I haven't found any documentation on how these volumes are created.
jayunit100
- 631
0
votes
1 answer
LVM snapshot size
I currently have 2 volume's:
[root@compute4 /]# lvscan
ACTIVE '/dev/vps/vm108_img' [30.00 GB] inherit
ACTIVE '/dev/vps/vm109_img' [90.00 GB] inherit
Now, I use the LVM snapshot function to create backups. My quesion is,…
Devator
- 1,055
0
votes
1 answer
How do I add a previously removed physical volume back to a volume group?
After removing a physical volume from a machine, and returning the physical volume back to the machine, the physical volume is ignored and the following message appears:
[root@emma ~]# pvscan
WARNING: VG vg001 was previously updated while PV…
Graham Leggett
- 581