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Bug #17685

Updated by Kefu Chai almost 4 years ago

I think there is still a bug in the "osd metadata" reporting in 10.2.3
- the JSON structure returned is not terminated when the OSD is added
but not running or added to the crush map yet.

Its an odd condition to get into, but when adding a disk and there is
an issue that causes it to fail to complete the add operation such as
when the permissions in the /var/lib/ceph/osd/osd/XXX are incorrectly
set to root:root instead of ceph:ceph, the metadata output does not
terminate with the final closing bracket "]".

Here is the end of the (truncated) output from "ceph osd tree" showing
the disk just recently added but without any weight and marked "down".
<pre>


-2 130.67999 host ic1ss06
0 3.62999 osd.0 up 1.00000 1.00000
6 3.62999 osd.6 up 1.00000 1.00000
7 3.62999 osd.7 up 1.00000 1.00000
13 3.62999 osd.13 up 1.00000 1.00000
21 3.62999 osd.21 up 1.00000 1.00000
27 3.62999 osd.27 up 1.00000 1.00000
33 3.62999 osd.33 up 1.00000 1.00000
39 3.62999 osd.39 up 1.00000 1.00000
46 3.62999 osd.46 up 1.00000 1.00000
48 3.62999 osd.48 up 1.00000 1.00000
55 3.62999 osd.55 up 1.00000 1.00000
60 3.62999 osd.60 up 1.00000 1.00000
66 3.62999 osd.66 up 1.00000 1.00000
72 3.62999 osd.72 up 1.00000 1.00000
75 3.62999 osd.75 up 1.00000 1.00000
81 3.62999 osd.81 up 1.00000 1.00000
88 3.62999 osd.88 up 1.00000 1.00000
97 3.62999 osd.97 up 1.00000 1.00000
99 3.62999 osd.99 up 1.00000 1.00000
102 3.62999 osd.102 up 1.00000 1.00000
110 3.62999 osd.110 up 1.00000 1.00000
120 3.62999 osd.120 up 1.00000 1.00000
127 3.62999 osd.127 up 1.00000 1.00000
129 3.62999 osd.129 up 1.00000 1.00000
136 3.62999 osd.136 up 1.00000 1.00000
140 3.62999 osd.140 up 1.00000 1.00000
147 3.62999 osd.147 up 1.00000 1.00000
155 3.62999 osd.155 up 1.00000 1.00000
165 3.62999 osd.165 up 1.00000 1.00000
166 3.62999 osd.166 up 1.00000 1.00000
174 3.62999 osd.174 up 1.00000 1.00000
184 3.62999 osd.184 up 1.00000 1.00000
190 3.62999 osd.190 up 1.00000 1.00000
194 3.62999 osd.194 up 1.00000 1.00000
202 3.62999 osd.202 up 1.00000 1.00000
209 3.62999 osd.209 up 1.00000 1.00000
173 0 osd.173 down 1.00000 1.00000
</pre>



Now when I run "ceph osd metadata", note that the closing "]" is missing.

<pre>
$ ceph osd metadata

[
...
"osd": {
"id": 213,
"arch": "x86_64",
"back_addr": "10.10.21.54:6861\/168468",
"backend_filestore_dev_node": "unknown",
"backend_filestore_partition_path": "unknown",
"ceph_version": "ceph version 10.2.3
(ecc23778eb545d8dd55e2e4735b53cc93f92e65b)",
"cpu": "Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz",
"distro": "Ubuntu",
"distro_codename": "trusty",
"distro_description": "Ubuntu 14.04.3 LTS",
"distro_version": "14.04",
"filestore_backend": "xfs",
"filestore_f_type": "0x58465342",
"front_addr": "10.10.20.54:6825\/168468",
"hb_back_addr": "10.10.21.54:6871\/168468",
"hb_front_addr": "10.10.20.54:6828\/168468",
"hostname": "ic1ss04",
"kernel_description": "#26~14.04.1-Ubuntu SMP Fri Jul 24
21:16:20 UTC 2015",
"kernel_version": "3.19.0-25-generic",
"mem_swap_kb": "15998972",
"mem_total_kb": "131927464",
"os": "Linux",
"osd_data": "\/var\/lib\/ceph\/osd\/ceph-213",
"osd_journal": "\/var\/lib\/ceph\/osd\/ceph-213\/journal",
"osd_objectstore": "filestore"
},
"osd": {
"id": 214,
"arch": "x86_64",
"back_addr": "10.10.21.55:6877\/177645",
"backend_filestore_dev_node": "unknown",
"backend_filestore_partition_path": "unknown",
"ceph_version": "ceph version 10.2.3
(ecc23778eb545d8dd55e2e4735b53cc93f92e65b)",
"cpu": "Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60GHz",
"distro": "Ubuntu",
"distro_codename": "trusty",
"distro_description": "Ubuntu 14.04.3 LTS",
"distro_version": "14.04",
"filestore_backend": "xfs",
"filestore_f_type": "0x58465342",
"front_addr": "10.10.20.55:6844\/177645",
"hb_back_addr": "10.10.21.55:6879\/177645",
"hb_front_addr": "10.10.20.55:6848\/177645",
"hostname": "ic1ss05",
"kernel_description": "#26~14.04.1-Ubuntu SMP Fri Jul 24
21:16:20 UTC 2015",
"kernel_version": "3.19.0-25-generic",
"mem_swap_kb": "15998972",
"mem_total_kb": "131927464",
"os": "Linux",
"osd_data": "\/var\/lib\/ceph\/osd\/ceph-214",
"osd_journal": "\/var\/lib\/ceph\/osd\/ceph-214\/journal",
"osd_objectstore": "filestore"
}
}
^^^^
Missing closing "]"
</pre>

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