On Wed, Jun 22, 2016 at 3:20 PM, 王海涛 <whtjyl@xxxxxxx> wrote: > I find this message in dmesg: > [83090.212918] libceph: mon0 192.168.159.128:6789 feature set mismatch, my > 4a042a42 < server's 2004a042a42, missing 20000000000 > > According to > "http://cephnotes.ksperis.com/blog/2014/01/21/feature-set-mismatch-error-on-ceph-kernel-client";, > this could mean that I need to upgrade kernel client up to 3.15 or disable > tunable 3 features. > Our cluster is not convenient to upgrade. > Could you tell me how to disable tunable 3 features? Can you show the output of the following command please? # ceph osd crush show-tunables -f json-pretty I believe you'll need to use "ceph osd crush tunables " to adjust this. > > Thanks! > > Kind Regards, > Haitao Wang > > > At 2016-06-22 12:33:42, "Brad Hubbard" <bhubbard@xxxxxxxxxx> wrote: >>On Wed, Jun 22, 2016 at 1:35 PM, 王海涛 <whtjyl@xxxxxxx> wrote: >>> Hi All >>> >>> I'm using ceph-10.1.1 to map a rbd image ,but it dosen't work ,the error >>> messages are: >>> >>> root@heaven:~#rbd map rbd/myimage --id admin >>> 2016-06-22 11:16:34.546623 7fc87ca53d80 -1 WARNING: the following >>> dangerous >>> and experimental features are enabled: bluestore,rocksdb >>> 2016-06-22 11:16:34.547166 7fc87ca53d80 -1 WARNING: the following >>> dangerous >>> and experimental features are enabled: bluestore,rocksdb >>> 2016-06-22 11:16:34.549018 7fc87ca53d80 -1 WARNING: the following >>> dangerous >>> and experimental features are enabled: bluestore,rocksdb >>> rbd: sysfs write failed >>> rbd: map failed: (5) Input/output error >> >>Anything in dmesg, or anywhere, about "feature set mismatch" ? >> >>http://cephnotes.ksperis.com/blog/2014/01/21/feature-set-mismatch-error-on-ceph-kernel-client >> >>> >>> Could someone tell me what's wrong? >>> Thanks! >>> >>> Kind Regards, >>> Haitao Wang >>> >>> >>> _______________________________________________ >>> ceph-users mailing list >>> ceph-users@xxxxxxxxxxxxxx >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >> >> >> >>-- >>Cheers, >>Brad -- Cheers, Brad _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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