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
...skipping
2020-03-23 09:40:54.334 7f6b38bffb80 -1 bluestore(/var/lib/ceph/osd/ceph-4) _verify_csum bad crc32c/0x1000 checksum at blob offset 0x6000, got 0xb4fc013e, expected 0xfe78d07e, device location [0x7dff906000~1000], logical extent 0x6000~1000, object #-1:1a950050:::osdmap.5964:0#
2020-03-23 09:40:54.340 7f6b38bffb80 -1 bluestore(/var/lib/ceph/osd/ceph-4) _verify_csum bad crc32c/0x1000 checksum at blob offset 0x6000, got 0xb4fc013e, expected 0xfe78d07e, device location [0x7dff906000~1000]
, logical extent 0x6000~1000, object #-1:1a950050:::osdmap.5964:0#
2020-03-23 09:40:54.341 7f6b38bffb80 -1 bluestore(/var/lib/ceph/osd/ceph-4) _verify_csum bad crc32c/0x1000 checksum at blob offset 0x6000, got 0xb4fc013e, expected 0xfe78d07e, device location [0x7dff906000~1000]
, logical extent 0x6000~1000, object #-1:1a950050:::osdmap.5964:0#
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