Skip to main content

Questions tagged [lvm2]

The tag has no usage guidance.

0 votes
0 answers
27 views

Is LVM broken or xfs filesystem dead?

As we say all too often, never prod on a Friday ... But an admin on my team wanted to expand a lv, so he broke the whole system. I've managed to remount the disk and the group volume, and now I'm ...
Franck Huet's user avatar
0 votes
0 answers
354 views

Rebuilding grub with LVM2 and UEFI

Trying to restore my grub boot loader for Ubuntu 22.04, but a weird anomaly during the rebuild process changes the boot menu to CentOS. I have tried several rebuild attempts from many different ...
Bob_Dean's user avatar
1 vote
1 answer
802 views

How to mount hard drive (physical disk) which is a part of LVM in Ubuntu Server 22.04?

Newly installed Ubuntu 22.04 to a server. The logical volume is already mounted (by default) to / during installation of 22.04 to a Dell server. When I try to mount the "mapper" (to anywhere ...
b_a_k's user avatar
  • 11
0 votes
0 answers
360 views

Cannot stop md raid6 array

I setup a raid6 array on top of iscsi and lvm shared logical volumes that I use to make sure only one node part of iscsi network can use the raid volume at a time. Today I fail to stop the volume. ...
Nykau's user avatar
  • 63
0 votes
0 answers
124 views

LVM, EXT4, mount points etc. I'm not even sure how to determine what the issue might be

I have a media server that used to work: 4 disks, EXT4, as a single LVM with 5 shares. Working through other tutorials, when I execute the "lsblk" command this is what I see: NAME ...
lorax1284's user avatar
0 votes
0 answers
1k views

How to merge Linux LVM physical volumes on the same disk?

I have a funny situation (Proxmox, but that's immaterial) where I ended up with LVM, a single volume group on top of two partitions (PVs) that are contiguous with one another on the disk. The PVs (and ...
Paul Stelian's user avatar
1 vote
1 answer
690 views

Does multiple snapshots influence the performance?

My desktop system(Kubuntu-20.04.4, with LVM2 root-fs) need to be frequently adjusted the configurations, but some configuration would be fault. I take a new LVM2 snapshot of root fs, before every time ...
Leon's user avatar
  • 239
0 votes
1 answer
594 views

In a new rocky9 vm, LVM2 does NOT see the newly attached PVs under LUKS

In a new rocky9 vm, LVM2 does NOT see the newly attached PVs under LUKS. === The end goal is to migrate a simple "repo" server (that holds iso files) from centos8 to rocky9. I have a freshly ...
mr22st821's user avatar
1 vote
2 answers
550 views

lvm semantics compared with Mac OS container volumes - sharing storage between logical volumes?

I'm very new to lvm, and have simultaneously understood how Mac OS container disks work. I'm very happy with Mac OS container disk semantics - I don't have to think how much space to allocate. I just ...
Sridhar Sarnobat's user avatar
1 vote
1 answer
2k views

LVM: Problems in adding disk to an existing Logical volume

I have a disk under a Logical Volume. $ lvdisplay --- Logical volume --- LV Path /dev/vg_prod/lv_prod LV Name lv_prod VG Name vg_prod LV UUID ...
Muhammad Tauseef's user avatar
1 vote
1 answer
924 views

CentOS 6 LVM RAID5, unable to activate VG / LV. "device-mapper: reload ioctl on (253:119) failed: Input/output error"

I've found myself in a complex Linux LVM-RAID5 / device-mapper problem after one temporary device failure, and one bad block encountered during that time. The logical volume can now not be activated ...
gusfoo's user avatar
  • 31
2 votes
0 answers
408 views

How to prevent GRUB from scanning lvm snapshot?

My root file system is a LVM2 logic volume, and there are few snapshots of it beside. Every time when I run update-grub, it always add menu entries for those snapshots as if they are normal volumes. ...
Leon's user avatar
  • 239
1 vote
0 answers
3k views

systemd error message : Failed to start LVM event activation on device 253:0

I have an Acer Notebook with Debian Linux 10.0. As may be seen from lsblk output below, root partition is on 256GB SSD at /var/home and SWAP is located on an LVM2 volume located on two LUKS encrypted ...
storestyggeulv's user avatar
0 votes
0 answers
728 views

How to extend LVM2 partition while keeping existing files

OS: Ubuntu 20.04 server edition I'm attempting to adjust my Proxmox installation that I copied from my 120GB SSD to my 500GB SSD. However, fdisk is complaining about the 'GPT PMBR size mismatch'. I'd ...
user avatar
0 votes
0 answers
115 views

Do temporary files tend to reuse the same physical blocks over time?

On a Linux FS such as ext4, would temporary files such as logs and other /var stuff tend to end up on the same physical blocks over time? For example, with log rotation, would new logs tend to end up ...
MichaelK's user avatar
  • 149

15 30 50 per page
1
2 3 4 5