Thanks for your reply.
If the db is broken but the block is good, can I think the data is still ok?
So re-create osd cause a lot of data migration ,than only replace db.
>
> if it's no longer readable: no, the OSD is lost, you'll have to re-create it
>
> Paul
>
> --
> Paul Emmerich
>
> Looking for help with your Ceph cluster? Contact us at https://croit.io
>
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>
> On Thu, Nov 21, 2019 at 12:18 PM zhanrzh...@teamsun.com.cn
> <zhanrzh...@teamsun.com.cn> wrote:
> >
> > Hi,all
> > Suppose the db of bluestore can't read/write,are there some methods to
> > replace bad db with a new one,in luminous.
> > If not, i dare not deploy ceph with bluestore in my production.
> >
> > zhanrzh...@teamsun.com.cn
> > _______________________________________________
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> > ceph-users@lists.ceph.com
> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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