LVM in a Virtualmachine

Dec 7, 2017
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Hi,
I have the following situation. for testing ceph-ansible we use a virtual environment on proxmox. there are 4 VMs simulating a ceph environment, the blockdevices are located in an LVM on the proxmox node. so far the OSDs were installed with ceph-disk and bluestore.
ceph-disk will not be supported in the future and so I wanted to test ceph-volume (LVM).
I wondered why the new devices are not created when running ceph-ansible.
Now it worked once, but on proxmox level I get the following result:

Code:
  inactive          '/dev/ceph-a82c6bca-1939-4aeb-8b35-a91156bab518/osd-block-a95f0a3d-249b-4116-9cc1-eff8bcc19e18' [10.00 GiB] inherit
  inactive          '/dev/ceph-8101f950-483d-48e3-85f8-4ed2f704e500/osd-block-6b65bb50-c023-447f-b12e-0e59ccb07678' [10.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131130-disk-0' [8.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131131-disk-0' [8.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131131-disk-1' [8.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131132-disk-0' [8.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131133-disk-0' [8.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131134-disk-0' [8.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131131-disk-2' [10.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131132-disk-1' [10.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131133-disk-1' [10.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131134-disk-1' [10.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131131-disk-3' [10.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131132-disk-2' [10.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131133-disk-2' [10.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131134-disk-2' [10.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131134-disk-3' [10.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131133-disk-3' [10.00 GiB] inherit
  ACTIVE            '/dev/vgssd/vm-168131132-disk-3' [10.00 GiB] inherit
  ACTIVE            '/dev/pve/swap' [8.00 GiB] inherit
  ACTIVE            '/dev/pve/root' [69.50 GiB] inherit
  ACTIVE            '/dev/pve/data' [181.42 GiB] inherit

The new LVM designations have been submitted to the underlying LVM. How can this happen?
 

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