Hi Elians, you might want to create a ticket in Ceph bug tracker and attach failing OSD startup log with debug-bluefs set to 20. It can be pretty large though... Also wondering what did precede to the first failure - may be unexpected  shutdown or something else? Thanks, Igor On 10/30/2020 5:41 AM, Elians Wan wrote: > Anyone can help? Bluefs mount failed after a long time > The error message: > > 2020-10-30 05:33:54.906725 7f1ad73f5e00 1 bluefs add_block_device bdev 1 > path /var/lib/ceph/osd/ceph-30/block size 7.28TiB > 2020-10-30 05:33:54.906758 7f1ad73f5e00 1 bluefs mount > 2020-10-30 06:00:32.881850 7f1ad73f5e00 -1 *** Caught signal (Segmentation > fault) ** > in thread 7f1ad73f5e00 thread_name:ceph-osd ceph version 12.2.12 > (1436006594665279fe734b4c15d7e08c13ebd777) luminous (stable) > 1: (()+0xaa2044) [0x5570d12af044] > 2: (()+0x11390) [0x7f1ad56d2390] > 3: (BlueFS::_read(BlueFS::FileReader*, BlueFS::FileReaderBuffer*, unsigned > long, unsigned long, ceph::buffer::list*, char*)+0xad4) [0x5570d125ea34] > 4: (BlueFS::_replay(bool)+0x409) [0x5570d1267599] > 5: (BlueFS::mount()+0x209) [0x5570d126b659] > 6: (BlueStore::_open_db(bool)+0x169c) [0x5570d117acdc] > 7: (BlueStore::_mount(bool)+0x3ad) [0x5570d11aeded] > 8: (OSD::init()+0x3e2) [0x5570d0d00f12] > 9: (main()+0x2f0a) [0x5570d0c0a0ca] > 10: (__libc_start_main()+0xf0) [0x7f1ad4658830] > 11: (_start()+0x29) [0x5570d0c97329] > NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed > to interpret this. > _______________________________________________ > ceph-users mailing list -- ceph-users(a)ceph.io > To unsubscribe send an email to ceph-users-leave(a)ceph.io