13510228421
经典数据库修复例
mongodb数据恢复 无法启动恢复
2016-06-21 23:00:35  

 客户 名称   某编程网站

 
数据库类型  mongodb
 
数据库版本  3.2
 
故障类型   服务器硬件出问题后,mongodb无法启动。报错提示 WiredTiger.wt 出现损坏。
 
2016-06-21T22:23:55.555+0800 E STORAGE  [initandlisten] WiredTiger (-31802) [1466519035:555101][6440:1997946592], file:WiredTiger.wt, connection: unable to read root page from file:WiredTiger.wt: WT_ERROR: non-specific WiredTiger error
2016-06-21T22:23:55.555+0800 E STORAGE  [initandlisten] WiredTiger (0) [1466519035:555101][6440:1997946592], file:WiredTiger.wt, connection: WiredTiger has failed to open its metadata
2016-06-21T22:23:55.555+0800 E STORAGE  [initandlisten] WiredTiger (0) [1466519035:555101][6440:1997946592], 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
2016-06-21T22:23:55.555+0800 E STORAGE  [initandlisten] WiredTiger (0) [1466519035:555101][6440:1997946592], file:WiredTiger.wt, connection: You should confirm that you have opened the database with the correct options including all encryption and compression options
2016-06-21T22:23:55.555+0800 I -        [initandlisten] Assertion: 28595:-31802: WT_ERROR: non-specific WiredTiger error
2016-06-21T22:23:55.555+0800 I STORAGE  [initandlisten] exception in initAndListen: 28595 -31802: WT_ERROR: non-specific WiredTiger error, terminating
2016-06-21T22:23:55.555+0800 I CONTROL  [initandlisten] shutting down with code:100
 
故障解决   客户联系到我们把文件发来分析后,WiredTiger.wt 逻辑信息出错,该文件相当于启动信息 表结构 以及集合信息都在此文件,所以对于 mongodb数据库很重要,手工修正后 成功启动数据库,导出备份给客户,完成恢复。
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