lvm

  1. U

    Change the name of an LVM storage

    Hello I wanted to test a procedure to rename both the Volume Group, on which I created an LVM storage, and the storage itself. Specifically on an ISCSI LUN I created an LVM storage named "vg-iscsi" , then I created a VM (VM-move (200)) vgs VG #PV #LV #SN Attr VSize VFree pve...
  2. G

    Problem with trim/discard on Ceph storage

    Hello, I have problems with various VMS that seems do not release unused space. Here is the VM Config: Here is the fstab: Here is the LVM config: Here is the Filesystem free disk space: I've also issued fstrim manually after poweroff/poweron the VM: But when I investigate du on...
  3. I

    lvm volume seemingly present after vm delete

    Hi! I would like to ask about one phenomena which does not excatly break anything but is at times unconvinient. I have encountered it several times so i dont think it is specific to my particular case. block device is connected over iscsi to multiple pve cluster nodes and on this block device...
  4. D

    [SOLVED] NVME Drive Disappeared from Host After Thinpool Creation

    I'm learning by doing, so apologies if I've missed some basic steps or information. I have a three node cluster made up of Lenovo ThinkCentres (M900 TFF) that I got from a friend after his work decommissioned them. They've been working great, but only came with 128GB SSD SATA drives, which...
  5. G

    New LVM Showing as Full

    Hi People, Im having a bit of a weird issue where I have created a striped Logical Volume using the CLI but when I add it to the storage.cfg or use pvesm add lvm <STORAGE_ID> --vgname <VGNAME> to add it to the cluster it shows up as full. Im sure I am doing somthing really silly but I can't...
  6. L

    [SOLVED] Can't Open BlockDev(Need Help!)

    Im getting Can't open blockdev in my dmesg and journalctl in the proxmox HOST. its tmeta and tdata dms that shows this. Both for my truenasISCSI lvm-thin and the local-lvm thin. why is this happening, how do i fix? I have normal access to both storages, everything works normally at higher...
  7. I

    dual-primary drbd storage connected to two-node-pve-cluster over iscsi

    Hi! I have run dual-primary drbd successfully with two node proxmox cluster, each pve node being also drbd node (and using local storage). And /dev/drbd0 block device is used as lvm pv device, lvm needs to be initialized at one node since block device content appears or rahter is same and both...
  8. J

    Activation of logical volume is prohibited while logical volume XXX_tmeta is active

    root@pve:~# pvesm status activating LV 'storage01-slow/storage01-slow' failed: Activation of logical volume storage01-slow/storage01-slow is prohibited while logical volume storage01-slow/storage01-slow_tmeta is active. Name Type Status Total Used...
  9. R

    How does using ZFS to mirror PVE (and nothing else) impact separate disks (for VM and container storage) that also use ZFS?

    I have some filesystem questions regarding PVE, ZFS and how they interact with VMs. The storage system I'm trying to achieve consists of 5 physical disks: Physical Disk Purpose RAID Disk 1 + Disk 2 PVE + mirror ZFS mirror Disk 3 + Disk 4 VMs and container storage a mix of striping and...
  10. R

    LSI SAS9200-8e Confirguration

    I have inherited a LSI SAS9200-8e 6Gb/s SAS PCIe x8 HBA in a Dell R710 server connected to a EMC KTN-STL3 JBOD with 15 1TB drives. I don't see the drives in Proxmox or in the Debian console. Can someone point me to a guide that explains setting up the server BIOS, the HBA's BIOS and/or...
  11. P

    Custom kernel doesn't boot on proxmox

    I have built a 6.10 kernel using clang (with .config from generic ubuntu) on Ubuntu 24.04. I am able to run it on Ubuntu but not on Proxmox. On Proxmox, I get following error: Alert! /dev/mapper/pve-root does not exist. Dropping to shell Running lvm pvscan returns nothin, and adding...
  12. D

    Recovering VM after converting it to a Template

    I have been following some posts, but those were meant for ZFS. I already changed the configuration file of the VM and set the variable template: 0 Renamed the LVM from base-101-disk-0 to vm-101-disk-0 Now I'm trying to change the attributes from Vri-a-tz-k to Vwi-aotz-- assuming those are the...
  13. T

    How to store backups on same physical disk, but NOT on root partition - maybe its own LV?

    I have a 128 GB internal SSD disk on my machine, and have installed a fresh Proxmox with the following setup: 16 GiB for the Proxmox OS root (set using the maxroot parameter during installation) 7.58 GiB allocated to SWAP 32 GiB allocated to VM-100 It seems that the proxmox installer has...
  14. B

    Disks Not Showing In Node Dropdown

    Hello! I reset my proxmox nodes hostname and then joined a cluster and now the dropdown for my node only shows local when it had previously shown several other disks/volumes. In disks/directory I see the directories of the drives and where their path is mounted and I can access all the data on...
  15. A

    VM disks stripping strategy

    Hi everyone, Proxmox newbie here. I got a few questions regarding vm disk management. Context: The main usage for my PVE, in a home environment, is mainly to host a file server and a multimedia server (DNLA-like), plus a few other small VMs for testing and playing around. The PVE has the...
  16. M

    Converting LXC to template: "Template feature is not available"

    Hello, I am fairly new to Proxmox. I've searched Reddit and this forum, and I hope I am not asking an FAQ that's already been answered. I couldn't find anything on the Web. Please bear with me. I have set up Proxmox on a NAS. Due to it only having 8Gb of memory, I chose to go with LVM+ext4 and...
  17. E

    Storage snapshots causes disk performance degradation

    Hi! I found some comments about using Snapshots (LVM or ZFS or GlusterFS ) in Storage causes disk performance degradation ( permanent slow I/O ), but if you remove all the Snapshots, the performance is returning to normal. Has anyone here had a similar experience?
  18. H

    SSD disconnected when powering on 2 gpu passthrough vms

    First of all this thread is basically the aftermath of this one. It's not necessary to read it, but it paints a good picture of how this thing behaves. So I have 2 GPUs that I am passing through to 2 VMs (usually one windows and one linux or mac). Everything works fine when I am starting them...
  19. T

    Rename lvm logical volume on a running node.

    Hi, Background: I ran Proxmox for years on a single node and for some reason which I can't recall, stupid me, renamed the standard logical volume from "data" to something else for the lvm thin pool. It worked all fine... Now I started to adding some more nodes and face the challenge that all...

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