1. Proxygen

    Is a Discard/Trim Issued When Removing an LV from a ThinPool?

    On PVE 8.1, I have a thin pool on NVME with a few containers. I deleted one of the containers (via GUI) and now I am not sure if the space used by the LV was discarded/trimmed. I can't issue an `fstrim`, unless it is against a directory, nor I can issue a `pct fstrim` against the CT because...
  2. 0

    Proxmox 7.4 - unable to create data thin-pool

    Hi, trying to install Proxmox 7.4-1. at the "target harddisk" stage, I choose swapsize 128 and maxroot 100. I do it on ext4, I don't reduce the hdsize value by 228 (GB). after starting the installation itself - after the "create patition" step, then "create lv-s" - an error pops up unable to...
  3. Z

    VM Migration Between Nodes (LVM Thin + Linked Clones)

    I use proxmox in a homelab setting and have been running into storage issues on a few nodes with small SSDs. I wanted to upgrade the storage. My plan was to: 1. Migrate the VMs to other nodes. 2. Remove the node, whose storage I'm upgrading. 3. Upgrade the storage and re-install proxmox...
  4. C

    Need help fast LVM problems after powerloss

    Currently struggling to get the VMs datastore up and running after a powerloss last night. The LVM part for the OS itself is ok, we are able to login via ssh and the proxmox WEBui shows and we can login. However whenever we try to start a VM the following error is shown: Code...
  5. J

    Resized disk, now get "mdadm: No arrays found in config file"

    I reszied a guest LVM Thin Pool using these steps: lvresize lvestend qm resize gparted Now I get this error message on Linux guest boot: mdadm: No arrays found in config file or automatically Is there a fix for this? Did I corrupt my Linux guest partition? I'm now wondering if I can't use...
  6. P

    Proxmox VE 6.0 - lvm-thin small metadata

    Faced with the following problem: When I trying to create new thinpool over GUI (Disks - LVM-Thin - Create: Thinpool) it is created successfully/ But! Metadata size is only 120MiB # lvs -a LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert...
  7. A

    Thin pool metadata repair

    Hi everybody! We ran into a trouble with our thin pool. The situation is quite usual, but... not. After a power failure server boots, but no VM start. After a short investigation turned out that thin pool pve/data is inactive. Found similar solution on RedHat wiki and tried following steps...
  8. D

    BIOS reset & thin pool stopped working

    After a bios reset I'm not able to use any of the virtual machine drives from the thin pool. I've tried following instructions for repair: lvconvert --repair pve/data But I get the error Only inactive pool can be repaired. I need to figure out how to make all of them inactive to do the...


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