Ceph异常断电osd无法启动修复 failed to load OSD map for epoch
问题现象:日志错误,一般出现在节点异常掉电或者其他异常/crc...skipping2020-03-2309:40:54.3347f6b38bffb80-1bluestore(/var/lib/ceph/osd/ceph-4)_verify_csumbadcrc32c/0x1000checksumatbloboffset0x6000,got0xb4fc013e,expected0xfe78d07e