I'm getting this error on one of my OSD's when I try to start it. I can gather more complete log data if no-one recognizes the error from this: Feb 13 19:30:04 node-192-168-8-14 ceph-osd: 2013-02-13 19:30:04.612847 7f4f607e7780 0 filestore(/mnt/osd96) mount found snaps <> Feb 13 19:30:04 node-192-168-8-14 ceph-osd: 2013-02-13 19:30:04.615147 7f4f607e7780 0 filestore(/mnt/osd96) mount: enabling WRITEAHEAD journal mode: btrfs not detected Feb 13 19:30:04 node-192-168-8-14 ceph-osd: 2013-02-13 19:30:04.658965 7f4f607e7780 1 journal _open /mnt/osd96/journal fd 30: 8589934592 bytes, block size 4096 bytes, directio = 1, aio = 0 Feb 13 19:30:04 node-192-168-8-14 ceph-osd: 2013-02-13 19:30:04.720091 7f4f607e7780 1 journal _open /mnt/osd96/journal fd 30: 8589934592 bytes, block size 4096 bytes, directio = 1, aio = 0 Feb 13 19:30:04 node-192-168-8-14 ceph-osd: 2013-02-13 19:30:04.721871 7f4f607e7780 -1 osd/OSD.cc: In function 'OSDMapRef OSD::get_map(epoch_t)' thread 7f4f607e7780 time 2013-02-13 19:30:04.721278 osd/OSD.cc: 4029: FAILED assert(_get_map_bl(epoch, bl)) ceph version 0.48.1argonaut (commit:a7ad701b9bd479f20429f19e6fea7373ca6bba7c) 1: (OSD::get_map(unsigned int)+0x560) [0x7f4f60a411e0] 2: (OSD::init()+0x5a3) [0x7f4f60a53ce3] 3: (main()+0x4462) [0x7f4f6096d182] 4: (__libc_start_main()+0xfd) [0x7f4f5e64b26d] 5: (()+0x16e829) [0x7f4f60968829] NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this. Feb 13 19:30:04 node-192-168-8-14 ceph-osd: --- begin dump of recent events --- -- 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