客户名称 保密

 

数据类型 mongodb 4.x 

 

数据容量 25 GB

 

故障类型 同步异常写损坏，客户自行尝试修复后,依然无法启动。提示unable to read root page from file:WiredTiger.wt

 

torage engine, so setting the active storage engine to 'wiredTiger'.

2024-07-13T00:48:26.856+0800 W STORAGE  [initandlisten] Recovering data from the last clean checkpoint.

2024-07-13T00:48:26.856+0800 I STORAGE  [initandlisten] wiredtiger_open config: create,cache_size=64871M,session_max=20000,eviction=(threads_min=4,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),verbose=(recovery_progress),

2024-07-13T00:48:26.860+0800 E STORAGE  [initandlisten] WiredTiger error (-31802) [1720802906:860089][3908:140714867056256], file:WiredTiger.wt, connection: unable to read root page from file:WiredTiger.wt: WT_ERROR: non-specific WiredTiger error

2024-07-13T00:48:26.860+0800 E STORAGE  [initandlisten] WiredTiger error (0) [1720802906:860089][3908:140714867056256], file:WiredTiger.wt, connection: WiredTiger has failed to open its metadata

2024-07-13T00:48:26.860+0800 E STORAGE  [initandlisten] WiredTiger error (0) [1720802906:860089][3908:140714867056256], file:WiredTiger.wt, connection: This may be due to the database files being encrypted, being from an older version or due to corruption on disk

2024-07-13T00:48:26.860+0800 E STORAGE  [initandlisten] WiredTiger error (0) [1720802906:860089][3908:140714867056256], file:WiredTiger.wt, connection: You should confirm that you have opened the database with the correct options including all encryption and compression options

2024-07-13T00:48:26.861+0800 I -        [initandlisten] Assertion: 28595:-31802: WT_ERROR: non-specific WiredTiger error src\mongo\db\storage\wiredtiger\wiredtiger_kv_engine.cpp 271

2024-07-13T00:48:26.861+0800 I STORAGE  [initandlisten] exception in initAndListen: 28595 -31802: WT_ERROR: non-specific WiredTiger error, terminating

2024-07-13T00:48:26.861+0800 I NETWORK  [initandlisten] shutdown: going to close listening sockets...

2024-07-13T00:48:26.861+0800 I NETWORK  [initandlisten] shutdown: going to flush diaglog...

2024-07-13T00:48:26.861+0800 I CONTROL  [initandlisten] now exiting

2024-07-13T00:48:26.861+0800 I CONTROL  [initandlisten] shutting down with code:100

 

修复结果 使用极佳mongo数据库恢复工具从损坏的集合物理文件提取数据完成恢复,恢复完整度100% 

 

耗费工时 2 小时

 

深圳极佳数据救援中心友情提醒：重要数据一定要勤备份，遇到数据丢失 数据损坏 等问题，要第

 

一时间联系专业人士。对于各类主流数据库，我们可以做最底层的数据恢复及数据修复，对于数据库

 

的某些特定故障我们保证数据库100%原模原样恢复，无论多大的数据库都立等可取。