Adding ceph-users: We ran into this same issue, and we used a size specification to workaround for now. Bug and patch: https://tracker.ceph.com/issues/49014 https://github.com/ceph/ceph/pull/39083 Backport to Octopus: https://github.com/ceph/ceph/pull/39171 On Sat, Feb 6, 2021 at 7:05 PM Tony Liu <tonyliu0592@xxxxxxxxxxx> wrote: > Add dev to comment. > > With 15.2.8, when apply OSD service spec, db_devices is gone. > Here is the service spec file. > ========================================== > service_type: osd > service_id: osd-spec > placement: > hosts: > - ceph-osd-1 > spec: > objectstore: bluestore > data_devices: > rotational: 1 > db_devices: > rotational: 0 > ========================================== > > Here is the logging from mon. The message with "Tony" is added by me > in mgr to confirm. The audit from mon shows db_devices is gone. > Is there anything in mon to filter that out based on host info? > How can I trace it? > ========================================== > audit 2021-02-07T00:45:38.106171+0000 mgr.ceph-control-1.nxjnzz > (mgr.24142551) 4020 : audit [DBG] from='client.24184218 -' > entity='client.admin' cmd=[{"prefix": "orch apply osd", "target": > ["mon-mgr", ""]}]: dispatch > cephadm 2021-02-07T00:45:38.108546+0000 mgr.ceph-control-1.nxjnzz > (mgr.24142551) 4021 : cephadm [INF] Marking host: ceph-osd-1 for OSDSpec > preview refresh. > cephadm 2021-02-07T00:45:38.108798+0000 mgr.ceph-control-1.nxjnzz > (mgr.24142551) 4022 : cephadm [INF] Saving service osd.osd-spec spec with > placement ceph-osd-1 > cephadm 2021-02-07T00:45:38.108893+0000 mgr.ceph-control-1.nxjnzz > (mgr.24142551) 4023 : cephadm [INF] Tony: spec: <bound method > ServiceSpec.to_json of > DriveGroupSpec(name=osd-spec->placement=PlacementSpec(hosts=[HostPlacementSpec(hostname='ceph-osd-1', > network='', name='')]), service_id='osd-spec', service_type='osd', > data_devices=DeviceSelection(rotational=1, all=False), > db_devices=DeviceSelection(rotational=0, all=False), osd_id_claims={}, > unmanaged=False, filter_logic='AND', preview_only=False)> > audit 2021-02-07T00:45:38.109782+0000 mon.ceph-control-3 (mon.2) 25 : > audit [INF] from='mgr.24142551 10.6.50.30:0/2838166251' > entity='mgr.ceph-control-1.nxjnzz' cmd=[{"prefix":"config-key > set","key":"mgr/cephadm/spec.osd.osd-spec","val":"{\"created\": > \"2021-02-07T00:45:38.108810\", \"spec\": {\"placement\": {\"hosts\": > [\"ceph-osd-1\"]}, \"service_id\": \"osd-spec\", \"service_name\": > \"osd.osd-spec\", \"service_type\": \"osd\", \"spec\": {\"data_devices\": > {\"rotational\": 1}, \"filter_logic\": \"AND\", \"objectstore\": > \"bluestore\"}}}"}]: dispatch > audit 2021-02-07T00:45:38.110133+0000 mon.ceph-control-1 (mon.0) 107 : > audit [INF] from='mgr.24142551 ' entity='mgr.ceph-control-1.nxjnzz' > cmd=[{"prefix":"config-key > set","key":"mgr/cephadm/spec.osd.osd-spec","val":"{\"created\": > \"2021-02-07T00:45:38.108810\", \"spec\": {\"placement\": {\"hosts\": > [\"ceph-osd-1\"]}, \"service_id\": \"osd-spec\", \"service_name\": > \"osd.osd-spec\", \"service_type\": \"osd\", \"spec\": {\"data_devices\": > {\"rotational\": 1}, \"filter_logic\": \"AND\", \"objectstore\": > \"bluestore\"}}}"}]: dispatch > audit 2021-02-07T00:45:38.152756+0000 mon.ceph-control-1 (mon.0) 108 : > audit [INF] from='mgr.24142551 ' entity='mgr.ceph-control-1.nxjnzz' > cmd='[{"prefix":"config-key > set","key":"mgr/cephadm/spec.osd.osd-spec","val":"{\"created\": > \"2021-02-07T00:45:38.108810\", \"spec\": {\"placement\": {\"hosts\": > [\"ceph-osd-1\"]}, \"service_id\": \"osd-spec\", \"service_name\": > \"osd.osd-spec\", \"service_type\": \"osd\", \"spec\": {\"data_devices\": > {\"rotational\": 1}, \"filter_logic\": \"AND\", \"objectstore\": > \"bluestore\"}}}"}]': finished > ========================================== > > Thanks! > Tony > > -----Original Message----- > > From: Jens Hyllegaard (Soft Design A/S) <jens.hyllegaard@xxxxxxxxxxxxx> > > Sent: Thursday, February 4, 2021 6:31 AM > > To: ceph-users@xxxxxxx > > Subject: Re: db_devices doesn't show up in exported osd > > service spec > > > > Hi. > > > > I have the same situation. Running 15.2.8 I created a specification that > > looked just like it. With rotational in the data and non-rotational in > > the db. > > > > First use applied fine. Afterwards it only uses the hdd, and not the ssd. > > Also, is there a way to remove an unused osd service. > > I manages to create osd.all-available-devices, when I tried to stop the > > autocreation of OSD's. Using ceph orch apply osd --all-available-devices > > --unmanaged=true > > > > I created the original OSD using the web interface. > > > > Regards > > > > Jens > > -----Original Message----- > > From: Eugen Block <eblock@xxxxxx> > > Sent: 3. februar 2021 11:40 > > To: Tony Liu <tonyliu0592@xxxxxxxxxxx> > > Cc: ceph-users@xxxxxxx > > Subject: Re: db_devices doesn't show up in exported osd > > service spec > > > > How do you manage the db_sizes of your SSDs? Is that managed > > automatically by ceph-volume? You could try to add another config and > > see what it does, maybe try to add block_db_size? > > > > > > Zitat von Tony Liu <tonyliu0592@xxxxxxxxxxx>: > > > > > All mon, mgr, crash and osd are upgraded to 15.2.8. It actually fixed > > > another issue (no device listed after adding host). > > > But this issue remains. > > > ``` > > > # cat osd-spec.yaml > > > service_type: osd > > > service_id: osd-spec > > > placement: > > > host_pattern: ceph-osd-[1-3] > > > data_devices: > > > rotational: 1 > > > db_devices: > > > rotational: 0 > > > > > > # ceph orch apply osd -i osd-spec.yaml Scheduled osd.osd-spec > > > update... > > > > > > # ceph orch ls --service_name osd.osd-spec --export > > > service_type: osd > > > service_id: osd-spec > > > service_name: osd.osd-spec > > > placement: > > > host_pattern: ceph-osd-[1-3] > > > spec: > > > data_devices: > > > rotational: 1 > > > filter_logic: AND > > > objectstore: bluestore > > > ``` > > > db_devices still doesn't show up. > > > Keep scratching my head... > > > > > > > > > Thanks! > > > Tony > > >> -----Original Message----- > > >> From: Eugen Block <eblock@xxxxxx> > > >> Sent: Tuesday, February 2, 2021 2:20 AM > > >> To: ceph-users@xxxxxxx > > >> Subject: Re: db_devices doesn't show up in exported osd > > >> service spec > > >> > > >> Hi, > > >> > > >> I would recommend to update (again), here's my output from a 15.2.8 > > >> test > > >> cluster: > > >> > > >> > > >> host1:~ # ceph orch ls --service_name osd.default --export > > >> service_type: osd > > >> service_id: default > > >> service_name: osd.default > > >> placement: > > >> hosts: > > >> - host4 > > >> - host3 > > >> - host1 > > >> - host2 > > >> spec: > > >> block_db_size: 4G > > >> data_devices: > > >> rotational: 1 > > >> size: '20G:' > > >> db_devices: > > >> size: '10G:' > > >> filter_logic: AND > > >> objectstore: bluestore > > >> > > >> > > >> Regards, > > >> Eugen > > >> > > >> > > >> Zitat von Tony Liu <tonyliu0592@xxxxxxxxxxx>: > > >> > > >> > Hi, > > >> > > > >> > When build cluster Octopus 15.2.5 initially, here is the OSD > > >> > service spec file applied. > > >> > ``` > > >> > service_type: osd > > >> > service_id: osd-spec > > >> > placement: > > >> > host_pattern: ceph-osd-[1-3] > > >> > data_devices: > > >> > rotational: 1 > > >> > db_devices: > > >> > rotational: 0 > > >> > ``` > > >> > After applying it, all HDDs were added and DB of each hdd is > > >> > created on SSD. > > >> > > > >> > Here is the export of OSD service spec. > > >> > ``` > > >> > # ceph orch ls --service_name osd.osd-spec --export > > >> > service_type: osd > > >> > service_id: osd-spec > > >> > service_name: osd.osd-spec > > >> > placement: > > >> > host_pattern: ceph-osd-[1-3] > > >> > spec: > > >> > data_devices: > > >> > rotational: 1 > > >> > filter_logic: AND > > >> > objectstore: bluestore > > >> > ``` > > >> > Why db_devices doesn't show up there? > > >> > > > >> > When I replace a disk recently, when the new disk was installed and > > >> > zapped, OSD was automatically re-created, but DB was created on > > >> > HDD, not SSD. I assume this is because of that missing db_devices? > > >> > > > >> > I tried to update service spec, the same result, db_devices doesn't > > >> > show up when export it. > > >> > > > >> > Is this some known issue or something I am missing? > > >> > > > >> > > > >> > Thanks! > > >> > Tony > > >> > _______________________________________________ > > >> > ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send > > >> > an email to ceph-users-leave@xxxxxxx > > >> > > >> > > >> _______________________________________________ > > >> ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an > > >> email to ceph-users-leave@xxxxxxx > > > > > > _______________________________________________ > > ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an > > email to ceph-users-leave@xxxxxxx > > _______________________________________________ > > ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an > > email to ceph-users-leave@xxxxxxx > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx