Hi, On Tue, 2011-09-20 at 14:23 +0530, Upendra Moturi wrote: > Hi > > I trying to create rbd image with ceph cluster. > I am able to start ceph cluster and mount to a client . > But not able to create rbd image. > > I am using Linux ubuntu 3.0.0-11-server kernel > qemu version : qemu-kvm-0.14.0 > ceph version 0.34 (commit:2f039eeeb745622b866d80feda7afa055e15f6d6) > > As this a test environment i am trying it on a single machine. > > Here is my ceph.conf > > [global] > pid file = /var/run/ceph/$name.pid > debug ms = 1 > [mon] > mon data = /data/mon$id > [mon.0] > host = ceph1 > mon addr = 192.168.123.148:6789 I'd not use a all-numeric name for your monitor. You better use something like [mon.alpha] > [mds] > > [mds.0] > host = ceph1 Same goes for the MDS, use something like mds.ceph1. > [osd] > sudo = true > osd data = /data/osd$id > osd journal = /data/osd$id/journal > osd journal size = 512 > osd use stale snap = true > [osd.0] > host = ceph1 > btrfs devs = /dev/sdb > [osd.1] > host = ceph1 > btrfs devs = /dev/sdc > > Using > mkcephfs -c /etc/ceph/ceph.conf -a --mkbtrfs -k /etc/ceph/keyring.bin > able to create ceph file system and mount to client > but not able to create a rbd image on it. > > Followed the url > http://ceph.newdream.net/wiki/Rbd > and was not able to check out. > but when i did > > depmod -a > modprobe rbd > i am able to see /sys/bus/rbd directory. > > ceph class list > did not show me rbd > Instead it said me > mon0 -> 'class distribution is no longer handled by the monitor' (-22) I don't think that loading the classes is needed anymore. I just tried: root@monitor:~# rbd create alpha --size=1024 root@monitor:~# rbd ls alpha root@monitor:~# This is a fresh cluster, no RBD work has been done yet. Did you try to create a RBD image? > > Not able to check out qemu-rbd > $ git clone git://git.qemu.org/qemu.git > $ cd qemu > $ ./configure --enable-rbd > $ make; make install > > From linux-kvm url > (http://www.linux-kvm.com/content/cephrbd-block-driver-patches-qemu-kvm) > $ git clone git://ceph.newdream.net/git/qemu-kvm.git > $ cd qemu-kvm > $ git checkout -b rbd origin/rbd > $ ./configure --enable-rbd > $ make; make install > > I was able to check out using above url but configure gave me following error > > ./configure --enable-rbd > ERROR > ERROR: User requested feature rados block device > ERROR: configure was not able to find it > ERROR Are the RBD development headers installed? Something like librbd-dev Wido > > Please guide me in the right direction. > > > > > > > > > > -- > Thanks and Regards, > Upendra.M > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
