ceph-osd -i 160 --flush-journal
[root@osd6 ceph]# ceph-osd -i 160 --flush-journal
SG_IO: questionable sense data, results may be incorrect
SG_IO: questionable sense data, results may be incorrect
*** Caught signal (Segmentation fault) **
 in thread 7f8bdccf7700 thread_name:ceph-osd
 ceph version 10.2.7 (50e863e0f4bc8f4b9e31156de690d765af245185)
 1: (()+0x91d8ea) [0x7f8be3b448ea]
 2: (()+0xf100) [0x7f8be1960100]
2017-06-25 21:26:04.686577 7f8bdccf7700 -1 *** Caught signal (Segmentation fault) **
 in thread 7f8bdccf7700 thread_name:ceph-osd

 ceph version 10.2.7 (50e863e0f4bc8f4b9e31156de690d765af245185)
 1: (()+0x91d8ea) [0x7f8be3b448ea]
 2: (()+0xf100) [0x7f8be1960100]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

     0> 2017-06-25 21:26:04.686577 7f8bdccf7700 -1 *** Caught signal (Segmentation fault) **
 in thread 7f8bdccf7700 thread_name:ceph-osd

 ceph version 10.2.7 (50e863e0f4bc8f4b9e31156de690d765af245185)
 1: (()+0x91d8ea) [0x7f8be3b448ea]
 2: (()+0xf100) [0x7f8be1960100]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

Segmentation fault