Re: Unable to add OSD after removing completely

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You probably have the H330 HBA, rebadged LSI.  You can set the “mode” or “personality” using storcli / perccli.  You might need to remove the VDs from them too.  

> On Feb 12, 2024, at 7:53 PM, salam@xxxxxxxxxxxxxx wrote:
> 
> Hello,
> 
> I have a Ceph cluster created by orchestrator Cephadm. It consists of 3 Dell PowerEdge R730XD servers. This cluster's hard drives used as OSD were configured as RAID 0. The configuration summery is as the following:
> ceph-node1 (mgr, mon)
>  Public network: 172.16.7.11/22
>  Cluster network: 10.10.10.11/24, 10.10.10.14/24
> ceph-node2 (mgr, mon)
>  Public network: 172.16.7.12/22
>  Cluster network: 10.10.10.12/24, 10.10.10.15/24
> ceph-node3 (mon)
>  Public network: 172.16.7.13/22
>  Cluster network: 10.10.10.13/24, 10.10.10.16/24
> 
> Recently I removed all OSDs from node3 with the following set of commands
>  sudo ceph osd out osd.3
>  sudo systemctl stop ceph@osd.3.service
>  sudo ceph osd rm osd.3
>  sudo ceph osd crush rm osd.3
>  sudo ceph auth del osd.3
> 
> After this, I configured all OSD hard drives as non-RAIN from the server settings and tried to add the hard drives as OSD again. First I used the following command to add them automatically
>  ceph orch apply osd --all-available-devices --unmanaged=false
> But this was generating the following error in my Ceph GUI console
>  CEPHADM_APPLY_SPEC_FAIL: Failed to apply 1 service(s): osd.all-available-devices
> I am also unable to add the hard drives manually with the following command
>  sudo ceph orch daemon add osd ceph-node3:/dev/sdb
> 
> Can anyone please help me with this issue?
> 
> I really appreciate any help you can provide.
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