Hello, i'm playing around with ceph and set up a cluster with 5 nodes. cephfs is working fine, but if i try to use rbd i get the following error: > ceph1:~ # modprobe rbd > ceph1:~ # rbd create testimg --size 10240 > create error: error 5: Input/output error > ceph1:~ # ceph --version > ceph version 0.37 (commit:a6f3bbb744a6faea95ae48317f0b838edb16a896) There are no log messages that give me a hint whats going wrong. Does anybody know what the cause of this error is? Here is the ceph.conf used for this cluster: > [global] > log dir = /srv/ceph/out > logger dir = /srv/ceph/log > ; chdir = "" > pid file = /srv/ceph/out/$type$id.pid > [mds] > pid file = /srv/ceph/out/$name.pid > ; lockdep = 1 > ; debug ms = 1 > ; debug mds = 20 > ; mds log max segments = 2 > max mds = 3 > [osd] > ; lockdep = 1 > ; debug ms = 1 > ; debug osd = 25 > ; debug journal = 20 > ; debug filestore = 10 > osd data = /srv/ceph/dev/osd$id > osd journal = /srv/ceph/dev/osd$id/journal > osd journal size = 512 > [mon] > lockdep = 1 > debug mon = 20 > debug paxos = 20 > debug ms = 1 > mon data = "/srv/ceph/dev/mon$id" > [mon.1] > host = ceph1 > mon addr = 192.168.1.221:6789 > [mon.2] > host = ceph2 > mon addr = 192.168.1.222:6789 > [mon.3] > host = ceph3 > mon addr = 192.168.1.223:6789 > ;[mon.4] > ; host = ceph4 > ; mon addr = 192.168.1.224:6789 > ;[mon.5] > ; host = ceph5 > ; mon addr = 192.168.1.225:6789 > [osd.1] > host = ceph1 > btrfs devs = /dev/sda6 > [osd.2] > host = ceph2 > btrfs devs = /dev/sda6 > [osd.3] > host = ceph3 > btrfs devs = /dev/sda6 > [osd.4] > host = ceph4 > btrfs devs = /dev/sda6 > [osd.5] > host = ceph5 > btrfs devs = /dev/sda6 > [mds.0] > host = ceph1 > [mds.1] > host = ceph2 > [mds.2] > host = ceph3 Greetings Mario -- Mario van der Linde Geschaeftsfuehrer: Ralph Dehner Linux Consultant & Trainer Unternehmenssitz: Vohburg B1 Systems GmbH Amtsgericht: Ingolstadt Osterfeldstraße 7 Handelsregister: HRB 3537 85088 Vohburg http://www.b1-systems.de Mobil: +49 151 168 794 85 EMail: linde@xxxxxxxxxxxxx http://pgpkeys.pca.dfn.de/pks/lookup?op=get&search=0xD31B76884480BB04
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