# mongodb问题总结
# 副本集
# UnrecoverableRollbackError
说明:副本集群某节点宕机后,无法回滚超过一天的数据,导致无法启动 报错信息:
Rollback failed with unrecoverable error: UnrecoverableRollbackError: not willing to roll back more than 86400 seconds of data.
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解决办法: 默认回滚时长为86400秒,即一天时间,可在配置中修改此参数。 配置文件中添加一项配置,并设置合适的数值即可:
setParameter: rollbackTimeLimitSecs: 864000
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# error while loading shared libraries: libnetsnmpmibs.so.31: cannot open shared object file: No such file or directory
该error 是因为未装net-snmp
yum install net-snmp
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