Hello everyone, I am running ceph version 15.2.8 on Ubuntu servers. I am using bluestore osds with data on hdd and db and wal on ssd drives. Each ssd has been partitioned such that it holds 5 dbs and 5 wals. The ssd were were prepared a while back probably when I was running ceph 13.x. I have been gradually adding new osd drives as needed. Recently, I've tried to add more osds, which have failed to my surprise. Previously I've had no issues adding the drives. However, it seems that I can no longer do that with version 15.2.x Here is what I get: root@arh-ibstorage4-ib /home/andrei ceph-volume lvm prepare --bluestore --data /dev/sds --block.db /dev/ssd3/db5 --block.wal /dev/ssd3/wal5 Running command: /usr/bin/ceph-authtool --gen-print-key Running command: /usr/bin/ceph --cluster ceph --name client.bootstrap-osd --keyring /var/lib/ceph/bootstrap-osd/ceph.keyring -i - osd new 6aeef34b-0724-4d20-a10b-197cab23e24d Running command: /usr/sbin/vgcreate --force --yes ceph-1c7cef26-327a-4785-96b3-dcb1b97e8e2f /dev/sds stderr: WARNING: PV /dev/sdp in VG ceph-bc7587b5-0112-4097-8c9f-4442e8ea5645 is using an old PV header, modify the VG to update. stderr: WARNING: PV /dev/sdo in VG ceph-33eda27c-53ed-493e-87a8-39e1862da809 is using an old PV header, modify the VG to update. stderr: WARNING: PV /dev/sdn in VG ssd2 is using an old PV header, modify the VG to update. stderr: WARNING: PV /dev/sdm in VG ssd1 is using an old PV header, modify the VG to update. stderr: WARNING: PV /dev/sdj in VG ceph-9d8da00c-f6b9-473f-b499-fa60d74b46c5 is using an old PV header, modify the VG to update. stderr: WARNING: PV /dev/sdi in VG ceph-1603149e-1e50-4b86-a360-1372f4243603 is using an old PV header, modify the VG to update. stderr: WARNING: PV /dev/sdh in VG ceph-a5f4416c-8e69-4a66-a884-1d1229785acb is using an old PV header, modify the VG to update. stderr: WARNING: PV /dev/sde in VG ceph-aac71121-e308-4e25-ae95-ca51bca7aaff is using an old PV header, modify the VG to update. stderr: WARNING: PV /dev/sdd in VG ceph-1e216580-c01b-42c5-a10f-293674a55c4c is using an old PV header, modify the VG to update. stderr: WARNING: PV /dev/sdc in VG ceph-630f7716-3d05-41bb-92c9-25402e9bb264 is using an old PV header, modify the VG to update. stderr: WARNING: PV /dev/sdb in VG ceph-a549c28d-9b06-46d5-8ba3-3bd99ff54f57 is using an old PV header, modify the VG to update. stderr: WARNING: PV /dev/sda in VG ceph-70943bd0-de71-4651-a73d-c61bc624755f is using an old PV header, modify the VG to update. stdout: Physical volume "/dev/sds" successfully created. stdout: Volume group "ceph-1c7cef26-327a-4785-96b3-dcb1b97e8e2f" successfully created Running command: /usr/sbin/lvcreate --yes -l 3814911 -n osd-block-6aeef34b-0724-4d20-a10b-197cab23e24d ceph-1c7cef26-327a-4785-96b3-dcb1b97e8e2f stdout: Logical volume "osd-block-6aeef34b-0724-4d20-a10b-197cab23e24d" created. --> blkid could not detect a PARTUUID for device: /dev/ssd3/wal5 --> Was unable to complete a new OSD, will rollback changes Running command: /usr/bin/ceph --cluster ceph --name client.bootstrap-osd --keyring /var/lib/ceph/bootstrap-osd/ceph.keyring osd purge-new osd.15 --yes-i-really-mean-it stderr: 2021-04-28T20:05:52.290+0100 7f76bbfa9700 -1 auth: unable to find a keyring on /etc/ceph/ceph.client.bootstrap-osd.keyring,/etc/ceph/ceph.keyring,/etc/ceph/keyring,/etc /ceph/keyring.bin,: (2) No such file or directory 2021-04-28T20:05:52.290+0100 7f76bbfa9700 -1 AuthRegistry(0x7f76b4058e60) no keyring found at /etc/ceph/ceph.client.bootstrap-osd.keyring,/etc/ceph/ceph.keyring,/etc/ceph/keyrin g,/etc/ceph/keyring.bin,, disabling cephx stderr: purged osd.15 --> RuntimeError: unable to use device I have tried to find a solution, but wasn't able to resolve the problem? I am sure that I've previously added new volumes using the above command. lvdisplay shows: --- Logical volume --- LV Path /dev/ssd3/wal5 LV Name wal5 VG Name ssd3 LV UUID WPQJs9-olAj-ACbU-qnEM-6ytu-aLMv-hAABYy LV Write Access read/write LV Creation host, time arh-ibstorage4-ib, 2020-07-29 23:45:17 +0100 LV Status available # open 0 LV Size 1.00 GiB Current LE 256 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:6 --- Logical volume --- LV Path /dev/ssd3/db5 LV Name db5 VG Name ssd3 LV UUID FVT2Mm-a00P-eCoQ-FZAf-AulX-4q9r-PaDTC6 LV Write Access read/write LV Creation host, time arh-ibstorage4-ib, 2020-07-29 23:46:01 +0100 LV Status available # open 0 LV Size 177.00 GiB Current LE 45312 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:11 How do I resolve the errors and create the new osd? Cheers Andrei