It's strange but parted output for this disk (/dev/sdf) show me that it's GPT:
(parted) print Model: ATA HGST HUS726020AL (scsi) Disk /dev/sdf: 2000GB Sector size (logical/physical): 512B/4096B Partition Table: gpt Number Start End Size Type File system Flags 2 1049kB 1075MB 1074MB ceph journal 1 1075MB 2000GB 1999GB xfs ceph data ср, 20 февр. 2019 г. в 17:11, Alfredo Deza <ad...@redhat.com>: > On Wed, Feb 20, 2019 at 8:40 AM Анатолий Фуников > <anatoly.funi...@playrix.com> wrote: > > > > Thanks for the reply. > > blkid -s PARTUUID -o value /dev/sdf1 shows me nothing, but blkid > /dev/sdf1 shows me this: /dev/sdf1: > UUID="b03810e4-dcc1-46c2-bc31-a1e558904750" TYPE="xfs" > > I think this is what happens with a non-gpt partition. GPT labels will > use a PARTUUID to identify the partition, and I just confirmed that > ceph-volume will enforce looking for PARTUUID if the JSON > identified a partition (vs. an LV). > > From what I briefly researched it is not possible to add a GPT label > on a non-gpt partition without losing data. > > My suggestion (if you confirm it is not possible to add the GPT label) > is to start the migration towards the new way of creating OSDs > > > > > ср, 20 февр. 2019 г. в 16:27, Alfredo Deza <ad...@redhat.com>: > >> > >> On Wed, Feb 20, 2019 at 8:16 AM Анатолий Фуников > >> <anatoly.funi...@playrix.com> wrote: > >> > > >> > Hello. I need to raise the OSD on the node after reinstalling the OS, > some OSD were made a long time ago, not even a ceph-disk, but a set of > scripts. > >> > There was an idea to get their configuration in json via ceph-volume > simple scan, and then on a fresh system I can make a ceph-volume simple > activate --file /etc/ceph/osd/31-46eacafe-22b6-4433-8e5c-e595612d8579.json > >> > I do ceph-volume simple scan /var/lib/ceph/osd/ceph-31/, and got this > json: https://pastebin.com/uJ8WVZyV > >> > It seems everything is not bad, but in the data section I see a > direct link to the device /dev/sdf1, and the uuid field is empty. At the > same time, in the /dev/disk/by-partuuid directory I can find and substitute > this UUID in this json, and delete the direct link to the device in this > json. > >> > The question is: how correct is it and can I raise this OSD on a > freshly installed OS with this fixed json? > >> > >> It worries me that it is unable to find a uuid for the device. This is > >> important because paths like /dev/sdf1 are ephemeral and can change > >> after a reboot. The uuid is found by running the following: > >> > >> blkid -s PARTUUID -o value /dev/sdf1 > >> > >> If that is not returning anything, then ceph-volume will probably not > >> be able to ensure this device is brought up correctly. You can correct > >> or add to anything in the JSON after a scan and rely on that, but then > >> again > >> without a partuuid I don't think this will work nicely > >> > >> > _______________________________________________ > >> > ceph-users mailing list > >> > ceph-users@lists.ceph.com > >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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