Hi, I manage to activate the OSDs after adding the keys with for i in `seq 0 8`; do ceph auth get-or-create osd.$i mon 'profile osd' mgr 'profile osd' osd 'allow *'; done
# ceph osd status +----+------+-------+-------+--------+---------+--------+---------+------------+ | id | host | used | avail | wr ops | wr data | rd ops | rd data | state | +----+------+-------+-------+--------+---------+--------+---------+------------+ | 0 | | 0 | 0 | 0 | 0 | 0 | 0 | exists,new | | 1 | | 0 | 0 | 0 | 0 | 0 | 0 | exists,new | | 2 | | 0 | 0 | 0 | 0 | 0 | 0 | exists,new | | 4 | | 0 | 0 | 0 | 0 | 0 | 0 | exists,new | | 5 | | 0 | 0 | 0 | 0 | 0 | 0 | exists,new | | 6 | | 0 | 0 | 0 | 0 | 0 | 0 | exists,new | | 7 | | 0 | 0 | 0 | 0 | 0 | 0 | exists,new | | 8 | | 0 | 0 | 0 | 0 | 0 | 0 | exists,new | +----+------+-------+-------+--------+---------+--------+---------+------------+ However calls to cephfs-journal-tool all require a rank which I am unable to determine: # cephfs-journal-tool journal export backup.bin 2020-07-20 17:13:15.420 7f3231694700 -1 NetHandler create_socket couldn't create socket (97) Address family not supported by protocol Error (2020-07-20 17:13:15.421 7f32413fea80 -1 main: missing mandatory "--rank” argument I understand that rank should be in the format: cephfs-journal-tool --rank=<fs>:<rank> When I use the name of the existing fs it doesn’t work either: # cephfs-journal-tool —rank=plexfs:0 journal export backup.bin 2020-07-21 09:28:54.552 7feffed1b700 -1 NetHandler create_socket couldn't create socket (97) Address family not supported by protocol Error (2020-07-21 09:28:54.553 7ff00ea85a80 -1 main: Couldn't determine MDS rank. Is that because I am misremembering the fs name, or is there something else that I am missing? Appreciate any help. Thanks & regards, Daniel > On 4 Jul 2020, at 18:05, Burkhard Linke > <burkhard.li...@computational.bio.uni-giessen.de> wrote: > > Hi, > > > in addition you need a way to recover the mon maps (I assume the mon was on > the same host). If the mon data is lost, you can try to retrieve some of the > maps from the existing OSDs. See the documentation about desaster recovery in > the ceph documentation. > > > If you cannot restore the mons, recovering the OSDs will be more or less > useless. > > > Regards, > > Burkhard > > > On 04.07.20 10:05, Eugen Block wrote: >> Hi, >> >> it should work with ceph-volume after you re-created the OS: >> >> ceph-volume lvm activate --all >> >> We had that case just recently in a Nautilus Cluster and it worked perfectly. >> >> Regards, >> Eugen >> >> >> Zitat von Daniel Da Cunha <dan...@ddc.im>: >> >>> Hello, >>> As a hobbies, I have been using Ceph Nautilus as a single server with 8 >>> OSDs. Part of the setup I set the crush map to fail at OSD level: step >>> chooseleaf firstn 0 type osd. >>> >>> Sadly, I didn’t take the necessary precaution for my boot disk and the OS >>> failed. I have backups of /etc/ceph/ but I am not able to recover the OS. >>> >>> Can you think of a way for me to recreate the OS and adopt the 8 OSD >>> without loosing the data? >>> >>> Thanks & regards, >>> Daniel >>> _______________________________________________ >>> ceph-users mailing list -- ceph-users@ceph.io >>> To unsubscribe send an email to ceph-users-le...@ceph.io >> >> >> _______________________________________________ >> ceph-users mailing list -- ceph-users@ceph.io >> To unsubscribe send an email to ceph-users-le...@ceph.io > _______________________________________________ > ceph-users mailing list -- ceph-users@ceph.io > To unsubscribe send an email to ceph-users-le...@ceph.io _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io
