On Thu, Oct 29, 2015 at 8:13 AM, Wah Peng <wah_peng@xxxxxxxxxxxx> wrote: > hello, > > do you know why this happens when I did it following the official > ducumentation. > > $ sudo rbd map foo --name client.admin > > rbd: add failed: (5) Input/output error > > > the OS kernel, > > $ uname -a > Linux ceph.yygamedev.com 3.2.0-23-generic #36-Ubuntu SMP Tue Apr 10 20:39:51 > UTC 2012 x86_64 x86_64 x86_64 GNU/Linux > > > I tried this way, > > ceph osd getcrushmap -o /tmp/crush > crushtool -i /tmp/crush --set-chooseleaf_vary_r 0 -o /tmp/crush.new > ceph osd setcrushmap -i /tmp/crush.new > > but got no luck. > > my cluster status seems OK, > > $ ceph health > HEALTH_OK > > $ ceph osd tree > # id weight type name up/down reweight > -1 0.24 root default > -2 0.24 host ceph2 > 0 0.07999 osd.0 up 1 > 1 0.07999 osd.1 up 1 > 2 0.07999 osd.2 up 1 What's your ceph version and what does dmesg say? 3.2 is *way* too old, you are probably missing more than one required feature bit. See http://docs.ceph.com/docs/master/rados/operations/crush-map/#tunables. Thanks, Ilya _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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