[ceph-users] Newly created OSDs receive no objects / PGs

Robert Sander r.sander at heinlein-support.de
Fri Mar 22 09:14:24 PDT 2019


Hi,

we created a bunch of new OSDs on three new nodes this morning. Now,
after roughly 6 hours they still are empty and the cluster did not
rebalance any objects resp. placement groups to them.

The crush rule is the simple one, selecting destination OSDs on
different hosts. All OSDs are up and in and have a weight
correspondending with their size.

What could be the issue here?

Excerpt from "ceph osd df tree":

ID CLASS WEIGHT  REWEIGHT SIZE    USE     AVAIL   %USE  VAR  PGS
…
30 hdd  3.64000  1.00000 3.6 TiB  1.5 TiB 2.1 TiB 41.16 1.91 119 osd.30
31 hdd  3.64000  0.89999 3.6 TiB  1.2 TiB 2.5 TiB 32.36 1.50  96 osd.31
60 hdd  3.64000  1.00000 3.6 TiB  1.5 TiB 2.1 TiB 42.38 1.96 127 osd.60
61 hdd  3.64000  1.00000 3.6 TiB  1.3 TiB 2.4 TiB 34.57 1.60 118 osd.61
62 hdd  3.62999  1.00000 3.6 TiB  1.3 TiB 2.3 TiB 36.43 1.69 107 osd.62
63 hdd  3.64000  1.00000 3.6 TiB  1.6 TiB 2.1 TiB 43.06 1.99 118 osd.63
71 hdd  3.62999  1.00000 3.6 TiB  1.2 TiB 2.5 TiB 32.12 1.49  99 osd.71
-70   128.11981        - 128 TiB  3.0 TiB 125 TiB  2.31 0.11  host al103

142 hdd 7.45999  1.00000 7.5 TiB  189 GiB 7.3 TiB  2.47 0.11   0 osd.142

143 hdd 7.45999  1.00000 7.5 TiB  189 GiB 7.3 TiB  2.47 0.11   0 osd.143
144 hdd 7.45999  1.00000 7.5 TiB  189 GiB 7.3 TiB  2.47 0.11   0 osd.144
145 hdd 7.45999  1.00000 7.5 TiB  189 GiB 7.3 TiB  2.47 0.11   0 osd.145
146 hdd 7.45999  1.00000 7.5 TiB  189 GiB 7.3 TiB  2.47 0.11   0 osd.146
147 hdd 7.45999  1.00000 7.5 TiB  189 GiB 7.3 TiB  2.47 0.11   0 osd.147
148 hdd 7.45999  1.00000 7.5 TiB  189 GiB 7.3 TiB  2.47 0.11   0 osd.148
…

Regards
-- 
Robert Sander
Heinlein Support GmbH
Schwedter Str. 8/9b, 10119 Berlin

https://www.heinlein-support.de

Tel: 030 / 405051-43
Fax: 030 / 405051-19

Amtsgericht Berlin-Charlottenburg - HRB 93818 B
Geschäftsführer: Peer Heinlein - Sitz: Berlin

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