Hi, I have a CEPH cluster running on 4 physical servers, the cluster is up and healthy So far I was unable to connect any client to the cluster using krbd or fio rbd plugin. My clients can see and create images in rbd pool but cannot map root@r-dcs68 ~ # rbd ls fio_test foo foo1 foo_test root@r-dcs68 ~ # rbd map foo rbd: sysfs write failed rbd: map failed: (95) Operation not supported using strace I see that there is no write permissions to /sys/bus/rbd/add root@r-dcs68 ~ # echo 192.168.57.102:16789 name=admin,key=client.admin rbd foo - > /sys/bus/rbd/add -bash: echo: write error: Operation not permitted Any idea why I can’t map? Thanks Adir ------------------------------------------------------ here’s some info about my client: root@r-dcs68 ~ # uname -r 4.1.0 root@r-dcs68 ~ # cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.0 (Maipo) root@r-dcs68 ~ # lsmod |grep rbd rbd 62776 0 libceph 236956 1 rbd and tail of log: [ 49.303330] Key type id_resolver registered [ 49.306638] Key type id_legacy registered [ 70.471743] Key type ceph registered [ 70.474482] libceph: loaded (mon/osd proto 15/24) [ 70.479873] rbd: loaded [ 114.968597] Loading iSCSI transport class v2.0-870. [ 114.975685] iscsi: registered transport (iser) [ 146.061478] ib0: sendonly multicast join failed for ff12:401b:ffff:0000:0000:0000:0000:0016, status -22 [ 148.076070] ib0: sendonly multicast join failed for ff12:401b:ffff:0000:0000:0000:0000:0016, status -22 [ 190.207159] libceph: client4407 fsid 0169d615-9b5b-432f-9241-4aadf71be9cc [ 190.213774] libceph: mon0 192.168.57.102:16789 session established |
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