Wow! Sorry, I must have missed something when I was reading through
the code. It seems like it has to do with the crush configuration. How
are you setting up the cluster? Maybe you could share the crush map
On Thu, Jan 24, 2019 at 9:03 PM Liu, Changcheng
<changcheng.liu@xxxxxxxxx> wrote:
>
> Hi Watkins,
> It could be hit on ceph v14.0.1-2574-gc55dc78903:
> root@sceph7:~# ceph --version
> ceph version 14.0.1-2574-gc55dc78903 (c55dc7890316fa1061ce2d34c80270aaa37073c9) nautilus (dev)
>
> root@sceph7:~# ceph osd crush tree --format=json-pretty
> 2019-01-25 20:33:57.630 7f9dc3153700 -1 WARNING: all dangerous and experimental features are enabled.
> 2019-01-25 20:33:57.650 7f9dc3153700 -1 WARNING: all dangerous and experimental features are enabled.
>
> [
> {
> "id": -1,
> "name": "default",
> "type": "root",
> "type_id": 10,
> "children": [
> -2
> ]
> },
> {
> "id": -2,
> "name": "sceph7",
> "type": "host",
> "type_id": 1,
> "pool_weights": {},
> "children": [
> 0
> ]
> },
> {
> "id": 0,
> "device_class": "ssd",
> "name": "osd.0",
> "type": "osd",
> "type_id": 0,
> "crush_weight": 1.000000,
> "depth": 2,
> "pool_weights": {}
> }
> ]
> []
>
> B.R.
> Changcheng
>
> On 19:59 Thu 24 Jan, Noah Watkins wrote:
> > The output I posted was from v13.2.0. Sorry that wasn't clear. It
> > should be fixed in 13.2.4. Please let me know if you find otherwise.
> >
> > On Thu, Jan 24, 2019 at 5:28 PM Liu, Changcheng
> > <changcheng.liu@xxxxxxxxx> wrote:
> > >
> > > Hi Watkins,
> > > You can use json-pretty format to show "ceph osd crush tree" result.
> > > According to your result on 13.2.4, it's not fixed yet.
> > > Re-format your result below.
> > >
> > > On 10:39 Thu 24 Jan, Noah Watkins wrote:
> > > > This seems to have been fixed in at least v13.2.4. I was able to
> > > > reproduce it in 13.2.0.
> > > >
> > > > [root@minikube /]# ceph osd crush tree --format=json
> > > > [{"id":-1,"name":"default","type":"root","type_id":10,"children":[-2]},{"id":-2,"name":"minikube","type":"host","type_id":1,"pool_weights":{},"children":[0]},{"id":0,"device_class":"hdd","name":"osd.0","type":"osd","type_id":0,"crush_weight":0.014999,"depth":2,"pool_weights":{}}][][root@minikube
> > > > /]
> > >
> > > [
> > > {"id":-1,"name":"default","type":"root","type_id":10,"children":[-2]},
> > > {"id":-2,"name":"minikube","type":"host","type_id":1,"pool_weights":{},"children":[0]},
> > > {"id":0,"device_class":"hdd","name":"osd.0","type":"osd","type_id":0,"crush_weight":0.014999,"depth":2,"pool_weights":{}}
> > > ]
> > > []
> > > ==> buggy null list in the end
> > > >
> > > >
> > > >
> > > > On Thu, Jan 24, 2019 at 5:16 AM Alfredo Deza <adeza@xxxxxxxxxx> wrote:
> > > > >
> > > > > On Thu, Jan 24, 2019 at 7:27 AM Liu, Changcheng
> > > > > <changcheng.liu@xxxxxxxxx> wrote:
> > > > > >
> > > > > > Hi Watkins,
> > > > > > controller-0:~$ ceph --version
> > > > > > ceph version 13.2.2 (02899bfda814146b021136e9d8e80eba494e1126) mimic (stable)
> > > > > > controller-0:~$ ceph osd crush tree --format=json-pretty
> > > > > >
> > > > > > [
> > > > > > {
> > > > > > "id": -1,
> > > > > > "name": "storage-tier",
> > > > > > "type": "root",
> > > > > > "type_id": 10,
> > > > > > "children": [
> > > > > > -3
> > > > > > ]
> > > > > > },
> > > > > > {
> > > > > > "id": -3,
> > > > > > "name": "group-0",
> > > > > > "type": "chassis",
> > > > > > "type_id": 2,
> > > > > > "pool_weights": {},
> > > > > > "children": [
> > > > > > -5,
> > > > > > -4
> > > > > > ]
> > > > > > },
> > > > > > {
> > > > > > "id": -4,
> > > > > > "name": "storage-0",
> > > > > > "type": "host",
> > > > > > "type_id": 1,
> > > > > > "pool_weights": {},
> > > > > > "children": []
> > > > > > },
> > > > > > {
> > > > > > "id": -5,
> > > > > > "name": "storage-1",
> > > > > > "type": "host",
> > > > > > "type_id": 1,
> > > > > > "pool_weights": {},
> > > > > > "children": []
> > > > > > }
> > > > > > ]
> > > > > > []
> > > > > >
> > > > > > B.R.
> > > > > > Changcheng
> > > > > >
> > > > > > On 16:27 Wed 23 Jan, Noah Watkins wrote:
> > > > > > > On Tue, Jan 22, 2019 at 8:54 PM Liu, Changcheng
> > > > > > > <changcheng.liu@xxxxxxxxx> wrote:
> > > > > > > >
> > > > > > > > 2) result:
> > > > > > > > [{"id":-1,"name":"default","type":"root","type_id":10,"children":[]}][]
> > > > > > >
> > > > > > > What version of Ceph are you using? Also.. is that the entire command
> > > > > > > output? For example, on the latest version I would expect there to be
> > > > > > > a "nodes" item:
> > > > >
> > > > > Seems like this has been the case for a while, I see it too on an
> > > > > older 13.2.0 version.
> > > > >
> > > > > > >
> > > > > > > {
> > > > > > > "nodes": [
> > > > > > > {
> > > > > > > "id": -1,
> > > > > > > "name": "default",
> > > > > > > "type": "root",
> > > > > > > "type_id": 10,
> > > > > > > "children": [
> > > > > > > -3
> > > > > > > ]
> > > > > > > ...
> > > > > > > ],
> > > > > > > "stray": []
> > > > > > > }
