Re: replace dead SSD journal

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> I have 1 SSD that hosted 6 OSD's Journals, that is dead, so 6 OSD down, ceph rebalanced etc.
> 
> Now I have new SSD inside, and I will partition it etc - but would like to know, how to proceed now, with the journal recreation for those 6 OSDs that are down now.
Well assuming the OSDs are downwith journal device lost and as data have been rebalanced/re-replicated else where. I would assume scratch these 6x downed+out OSD+journal and rebuilt 6 new OSD and add such to cluster capacity after properly maintaining the CRUSH map remove the crashes OSDs.

> 
> Should I flush journal (where to, journals doesnt still exist...?), or just recreate journal from scratch (making symboliv links again: ln -s /dev/$DISK$PART /var/lib/ceph/osd/ceph-$ID/journal) and starting OSDs.
> 
> I expect the folowing procedure, but would like confirmation please:
> 
> rm /var/lib/ceph/osd/ceph-$ID/journal -f (sym link)
> ln -s /dev/SDAxxx /var/lib/ceph/osd/ceph-$ID/journal
> ceph-osd -i $ID --mkjournal
> ll /var/lib/ceph/osd/ceph-$ID/journal
> service ceph start osd.$ID
> 
> Any thought greatly appreciated !
> 
> Thanks,
> 
> -- 
> 
> Andrija Panić
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> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

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