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Mongodb database recovery mongo database can not start recovery mongodb database power failure data


Customer name confidential

Data type mongodb 3.x
Data capacity 140 GB
Fault type server power failure causes WiredTiger.wt file corruption to start error detection Detected data files in E:\DTLFolder\MongoDB\data created by the 'wiredTiger' storage engine, so setting the active storage engine to 'wiredTiger'.
2018-05-08T16:10:09.755+0800 I STORAGE  [initandlisten] wiredtiger_open config: create,cache_size=18G,session_max=20000,eviction=(threads_max=4),config_base=false,statistics=(fast),log=(enabled=true,archive=true,path=journal,compressor=snappy),file_manager=(close_idle_time=100000),checkpoint=(wait=60,log_size=2GB),statistics_log=(wait=0),
2018-05-08T16:10:09.765+0800 E STORAGE  [initandlisten] WiredTiger (0) [1525767009:765885][6772:140729286678224], file:WiredTiger.wt, connection: read checksum error for 4096B block at offset 24576: block header checksum of 3915078705 doesn't match expected checksum of 3915078719
After the repair result file is sent, it is analyzed that WiredTiger.wt does not match the check value stored in the startup file. Manually analyze the processed values. Complete recovery. The database directly starts OK
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