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  1. Core Server
  2. SERVER-29848

file:WiredTiger.wt: corruption problem

    • Type: Icon: Bug Bug
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
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    • Affects Version/s: None
    • Component/s: None
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      We are running mongo:3.2.5 in docker
      I have a backup of an old database (made by simply copying all files in a backup folder).

      Now we need to restore that db. But running mongo docker fails. It says that file WiredTiger.wt is corrupted:

      2017-06-26T07:03:56.203+0000 I -        [initandlisten] Detected data files in /data/db created by the 'wiredTiger' storage engine, so setting the active storage engine to 'wiredTiger'.
      2017-06-26T07:03:56.203+0000 I STORAGE  [initandlisten] Detected WT journal files.  Running recovery from last checkpoint.
      2017-06-26T07:03:56.203+0000 I STORAGE  [initandlisten] journal to nojournal transition config: create,cache_size=74G,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),
      2017-06-26T07:03:56.311+0000 E STORAGE  [initandlisten] WiredTiger (-31802) [1498460636:311432][1:0x7f328e048c80], file:WiredTiger.wt, connection: unable to read root page from file:WiredTiger.wt: WT_ERROR: non-specific WiredTiger error
      2017-06-26T07:03:56.311+0000 E STORAGE  [initandlisten] WiredTiger (0) [1498460636:311510][1:0x7f328e048c80], file:WiredTiger.wt, connection: WiredTiger has failed to open its metadata
      2017-06-26T07:03:56.311+0000 E STORAGE  [initandlisten] WiredTiger (0) [1498460636:311527][1:0x7f328e048c80], 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
      2017-06-26T07:03:56.311+0000 E STORAGE  [initandlisten] WiredTiger (0) [1498460636:311543][1:0x7f328e048c80], file:WiredTiger.wt, connection: You should confirm that you have opened the database with the correct options including all encryption and compression options
      2017-06-26T07:03:56.313+0000 I -        [initandlisten] Assertion: 28718:-31802: WT_ERROR: non-specific WiredTiger error
      2017-06-26T07:03:56.362+0000 I STORAGE  [initandlisten] exception in initAndListen: 28718 -31802: WT_ERROR: non-specific WiredTiger error, terminating
      2017-06-26T07:03:56.362+0000 I CONTROL  [initandlisten] dbexit:  rc: 100
      

      How can I repair it?

        1. SERVER-29848-repair.tar.gz
          34 kB
        2. WiredTiger.turtle
          0.9 kB
        3. WiredTiger.wt
          640 kB

            Assignee:
            mark.agarunov Mark Agarunov
            Reporter:
            skelter Michael Sarkisov
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              Created:
              Updated:
              Resolved: