Duplicated device IDs

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Dear Ceph users,

I am replacing some small disks on one of my hosts with bigger ones. I delete the OSD from the web UI, preserving the ID for replacement, then after the rebalancing is finished I change the disk and the cluster automatically re-creates the OSD with the same ID. Then I adjust the CRUSH weight. Everything works fine except for the handling of the device ID of some of the the new disks. As you can see below there are 5 IDs associated to 2 devices and 2 OSDs, while these are actually different disks since OSDs see different and corrects sizes.

[ceph: root@bofur /]# ceph device ls-by-host romolo
DEVICE DEV DAEMONS EXPECTED FAILURE AMCC_9650SE-16M_DISK_82723576349B5E000984 sdc osd.42 AMCC_9650SE-16M_DISK_83214021349B63000A50 sdd osd.56 AMCC_9650SE-16M_DISK_83450671349B680004B3 sdf osd.68 AMCC_9650SE-16M_DISK_83471183349B680021DA sde osd.65 AMCC_9650SE-16M_DISK_9QG58JCX349B590000EE sdb osd.13 AMCC_9650SE-16M_DISK_AF248795608D6A000016 sdq osd.62 AMCC_9650SE-16M_DISK_J0210858000000000000 sdi sdn osd.105 osd.20 AMCC_9650SE-16M_DISK_J0210926000000000000 sdg sdl osd.36 osd.5 AMCC_9650SE-16M_DISK_N0ECFHAL000000000000 sdj sdo osd.25 osd.60 AMCC_9650SE-16M_DISK_N0R5P9WT000000000000 sdk sdp osd.51 osd.70 AMCC_9650SE-16M_DISK_PBGDG6EE000000000000 sdh sdm osd.45 osd.9
SanDisk_SSD_PLUS_21089P443002              sda      mon.romolo

I really don't understand what happened, if I did something wrong, or how to fix this.
Any help is greatly appreciated.

Nicola

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