Perhaps there is a partition table on your device. What does show : fdisk -l /dev/rbd0
If there is, you can create additional devices with : kpartx /dev/rbd0 And you'll have /dev/rbd0p1 wich will perhaps bee a PV. Le 5 février 2024 07:51:24 GMT+01:00, duluxoz <dulu...@gmail.com> a écrit : >Mounting/Mapping commands: > >`rbd device map data_pool/data_pool_image_1 --id rbd_user --keyring >/etc/ceph/ceph.client.rbd_user.keyring` > >`mount /dev/rbd0 /mountpoint/rbd_data` > >data_pool is showing up in a lsblk command as mapped to /dev/rbd0: > >~~~ > >NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS > >rbd0 252:0 0 8T 0 disk > >~~~ > >*Yes, its an 8 TB "disk" - lot of space for bulk files - in truth, its >probably "overkill" but if you've got that much space... :-) > >On 05/02/2024 17:43, Curt wrote: >> Out of curiosity, how are you mapping the rbd? Have you tried using >> guestmount? >> >> I'm just spitballing, I have no experience with your issue, so probably not >> much help or useful. >> >> On Mon, 5 Feb 2024, 10:05 duluxoz, <dulu...@gmail.com> wrote: >> >> ~~~ >> Hello, >> I think that /dev/rbd* devices are flitered "out" or not filter >> "in" by the fiter >> option in the devices section of /etc/lvm/lvm.conf. >> So pvscan (pvs, vgs and lvs) don't look at your device. >> ~~~ >> >> Hi Gilles, >> >> So the lvm filter from the lvm.conf file is set to the default of >> `filter = [ "a|.*|" ]`, so that's accept every block device, so no >> luck there :-( >> >> >> ~~~ >> For Ceph based LVM volumes, you would do this to import: >> Map every one of the RBDs to the host >> Include this in /etc/lvm/lvm.conf: >> types = [ "rbd", 1024 ] >> pvscan >> vgscan >> pvs >> vgs >> If you see the VG: >> vgimportclone -n <make a name for VG> /dev/rbd0 /dev/rbd1 ... --import >> Now you should be able to vgchange -a y <your VG> and see the LVs >> ~~~ >> >> Hi Alex, >> >> Did the above as you suggested - the rbd devices (3 of them, none >> of which were originally part of an lvm on the ceph servers - at >> least, not set up manually by me) still do not show up using >> pvscan, etc. >> >> So I still can't mount any of them (not without re-creating a fs, >> anyway, and thus losing the data I'm trying to read/import) - they >> all return the same error message (see original post). >> >> Anyone got any other ideas? <hopeful tone in voice> :-) >> >> Cheers >> >> Dulux-Oz >> _______________________________________________ >> ceph-users mailing list -- ceph-users@ceph.io >> To unsubscribe send an email to ceph-users-le...@ceph.io >> >-- >Peregrine IT Signature > >*Matthew J BLACK* > M.Inf.Tech.(Data Comms) > MBA > B.Sc. > MACS (Snr), CP, IP3P > >When you want it done /right/ ‒ the first time! > >Phone: +61 4 0411 0089 >Email: matt...@peregrineit.net <mailto:matt...@peregrineit.net> >Web: www.peregrineit.net <http://www.peregrineit.net> > >View Matthew J BLACK's profile on LinkedIn <http://au.linkedin.com/in/mjblack> > >This Email is intended only for the addressee. Its use is limited to that >intended by the author at the time and it is not to be distributed without the >author’s consent. You must not use or disclose the contents of this Email, or >add the sender’s Email address to any database, list or mailing list unless >you are expressly authorised to do so. Unless otherwise stated, Peregrine >I.T. Pty Ltd accepts no liability for the contents of this Email except where >subsequently confirmed in writing. The opinions expressed in this Email are >those of the author and do not necessarily represent the views of Peregrine >I.T. Pty Ltd. This Email is confidential and may be subject to a claim of >legal privilege. > >If you have received this Email in error, please notify the author and delete >this message immediately. _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io
