When accessing multiple RBD-Volumes from one VM in parallel, we are receiving an assertion: ./osd/OSDMap.h: In function 'entity_inst_t OSDMap::get_inst(int)': ./osd/OSDMap.h:460: FAILED assert(exists(osd) && is_up(osd)) ceph version 0.22.1 (commit:c6f403a6f441184956e00659ce713eaee7014279) 1: (Objecter::op_submit(Objecter::Op*)+0x6c2) [0x38658854c2] 2: /usr/lib64/librados.so.1() [0x3865855dc9] 3: (RadosClient::aio_write(RadosClient::PoolCtx&, object_t, long, ceph::buffer::list const&, unsigned long, RadosClient::AioCompletion*)+0x24b) [0x386585724b] 4: (rados_aio_write()+0x9a) [0x386585741a] 5: /usr/bin/qemu-kvm() [0x45a305] 6: /usr/bin/qemu-kvm() [0x45a430] 7: /usr/bin/qemu-kvm() [0x43bb73] NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this. ./osd/OSDMap.h: In function 'entity_inst_t OSDMap::get_inst(int)': ./osd/OSDMap.h:460: FAILED assert(exists(osd) && is_up(osd)) ceph version 0.22.1 (commit:c6f403a6f441184956e00659ce713eaee7014279) 1: (Objecter::op_submit(Objecter::Op*)+0x6c2) [0x38658854c2] 2: /usr/lib64/librados.so.1() [0x3865855dc9] 3: (RadosClient::aio_write(RadosClient::PoolCtx&, object_t, long, ceph::buffer::list const&, unsigned long, RadosClient::AioCompletion*)+0x24b) [0x386585724b] 4: (rados_aio_write()+0x9a) [0x386585741a] 5: /usr/bin/qemu-kvm() [0x45a305] 6: /usr/bin/qemu-kvm() [0x45a430] 7: /usr/bin/qemu-kvm() [0x43bb73] NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this. terminate called after throwing an instance of 'ceph::FailedAssertion' *** Caught signal (ABRT) *** ceph version 0.22.1 (commit:c6f403a6f441184956e00659ce713eaee7014279) 1: (sigabrt_handler(int)+0x91) [0x3865922b91] 2: /lib64/libc.so.6() [0x3c0c032a30] 3: (gsignal()+0x35) [0x3c0c0329b5] 4: (abort()+0x175) [0x3c0c034195] 5: (__gnu_cxx::__verbose_terminate_handler()+0x12d) [0x3c110beaad] This is reproducible by doing the following inside a VM: # mkfs.btrfs /dev/vdb /dev/vdc /dev/vdd /dev/vde # mount /dev/vdb /mnt # cd /mnt # bonnie++ -u root -d /mnt -f Any hints are welcome... Thanks, Christian -- 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
