Re: Should ceph-volume lvm prepare not be backwards compitable with ceph-disk?

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>> 
>> 
>> ceph-disk does not require bootstrap-osd/ceph.keyring and ceph-volume 

>> does
>
>I believe that's expected when you use "prepare". 
>For ceph-volume, "prepare" already bootstraps the OSD and fetches a 
fresh OSD id, for which it needs the keyring. 
>For ceph-disk, this was not part of "prepare", but you only needed a 
key for "activate" later, I think. 
>

Yes that is exactly the difference I would still like to have in 
ceph-volume, and what the word 'prepare' is indicating.

>Since we always use "create" here via ceph-deploy, I'm not an expert on 
the subtle command differences, though - but ceph-deploy is doing a good 
job at making you survive without learning them ;-). 
>
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