Dear all, I'm using Firefly. One disk was false, I replated failure disk and start that osd. But that osd 's still down. Help me, Thank you 2014-05-30 17:01:56.090314 7f9387516780 -1 journal FileJournal::_open: disabling aio for non-block journal. Use journal_force_aio to force use o f aio anyway 2014-05-30 17:01:56.090344 7f9387516780 1 journal _open /mnt/osd26/journal fd 20: 10485760000 bytes, block size 4096 bytes, directio = 1, aio = 0 2014-05-30 17:01:56.108431 7f9387516780 1 journal _open /mnt/osd26/journal fd 20: 10485760000 bytes, block size 4096 bytes, directio = 1, aio = 0 2014-05-30 17:01:56.109711 7f9387516780 1 journal close /mnt/osd26/journal 2014-05-30 17:01:56.111151 7f9387516780 0 filestore(/var/lib/ceph/osd/cloud-26) mount detected xfs (libxfs) 2014-05-30 17:01:56.115571 7f9387516780 0 genericfilestorebackend(/var/lib/ceph/osd/cloud-26) detect_features: FIEMAP ioctl is supported and app ears to work 2014-05-30 17:01:56.115597 7f9387516780 0 genericfilestorebackend(/var/lib/ceph/osd/cloud-26) detect_features: FIEMAP ioctl is disabled via 'fil estore fiemap' config option 2014-05-30 17:01:56.116528 7f9387516780 0 genericfilestorebackend(/var/lib/ceph/osd/cloud-26) detect_features: syncfs(2) syscall fully supported (by glibc and kernel) 2014-05-30 17:01:56.116634 7f9387516780 0 xfsfilestorebackend(/var/lib/ceph/osd/cloud-26) detect_feature: extsize is supported 2014-05-30 17:01:56.119424 7f9387516780 0 filestore(/var/lib/ceph/osd/cloud-26) mount: WRITEAHEAD journal mode explicitly enabled in conf 2014-05-30 17:01:56.119733 7f9387516780 -1 journal FileJournal::_open: disabling aio for non-block journal. Use journal_force_aio to force use o f aio anyway 2014-05-30 17:01:56.119765 7f9387516780 1 journal _open /mnt/osd26/journal fd 21: 10485760000 bytes, block size 4096 bytes, directio = 1, aio = 0 2014-05-30 17:01:56.119927 7f9387516780 1 journal _open /mnt/osd26/journal fd 21: 10485760000 bytes, block size 4096 bytes, directio = 1, aio = 0 2014-05-30 17:01:56.178011 7f9387516780 0 <cls> cls/hello/cls_hello.cc:271: loading cls_hello 2014-05-30 17:01:56.211731 7f9387516780 0 osd.26 45313 crush map has features 33816576, adjusting msgr requires for clients 2014-05-30 17:01:56.211761 7f9387516780 0 osd.26 45313 crush map has features 33816576, adjusting msgr requires for osds 2014-05-30 17:01:56.211777 7f9387516780 0 osd.26 45313 load_pgs 2014-05-30 17:01:56.211832 7f9387516780 0 osd.26 45313 load_pgs opened 0 pgs 2014-05-30 17:01:56.220766 7f9377e06700 0 osd.26 45313 ignoring osdmap until we have initialized 2014-05-30 17:01:56.221522 7f9377e06700 0 osd.26 45313 ignoring osdmap until we have initialized 2014-05-30 17:01:56.221741 7f9387516780 0 osd.26 45313 done with init, starting boot process