为了让虚拟机访问正常，先将存储池的min_size调整为1
ceph osd pool set ssd min_size 1
查看存储池，找出unfound状态
查看存储池状态
ceph osd pool stats ssd
查看归置组不响应的pg
ceph pg dump_stuck stale
ceph pg dump_stuck inactive
ceph pg dump_stuck unclean
might_have_unfound的osd有以下四种状态
already probed
querying
OSD is down
not queried (yet)
查看pg恢复状态
ceph pg 4.210 query
处理pg unfound
两种解决方案，回退旧版或者直接删除
# ceph pg 4.210 mark_unfound_lost revert
Error EINVAL: pg has 1 unfound objects but we haven't probed all sources,not marking lost
# ceph pg 4.210 mark_unfound_lost delete
Error EINVAL: pg has 1 unfound objects but we haven't probed all sources,not marking lost
恢复存储池min_size
# ceph osd pool set ssd min_size 2
set pool 4 min_size to 2
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