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  1. Core Server
  2. SERVER-27776

WiredTiger.wt read checksum error

    • Type: Icon: Bug Bug
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: 3.2.7
    • Component/s: WiredTiger
    • Linux

      Hi,
      I've a problem with mongodb. I wasn't able to start it.
      When I try to start I've the following errors:

      2017-01-21T03:22:07.441+0800 I CONTROL  [initandlisten] options: { config: "/etc/mongod.conf", net: { bindIp: "10.10.11.1", port: 27017 }, storage: { dbPath: "/var/lib/mongodb", j
      ournal: { enabled: true } }, systemLog: { destination: "file", logAppend: true, path: "/var/log/mongodb/mongod.log" } }
      2017-01-21T03:22:07.458+0800 I -        [initandlisten] Detected data files in /var/lib/mongodb created by the 'wiredTiger' storage engine, so setting the active storage engine to
       'wiredTiger'.
      2017-01-21T03:22:07.458+0800 I STORAGE  [initandlisten] wiredtiger_open config: create,cache_size=150G,session_max=20000,eviction=(threads_max=4),config_base=false,statistics=(fas
      t),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),
      2017-01-21T03:22:07.465+0800 E STORAGE  [initandlisten] WiredTiger (0) [1484940127:465543][39398:0x7f52a1effcc0], file:WiredTiger.wt, connection: read checksum error for 4096B blo
      ck at offset 3244032: block header checksum of 1936550947 doesn't match expected checksum of 1947167000
      2017-01-21T03:22:07.465+0800 E STORAGE  [initandlisten] WiredTiger (0) [1484940127:465569][39398:0x7f52a1effcc0], file:WiredTiger.wt, connection: WiredTiger.wt: encountered an ill
      egal file format or internal value
      2017-01-21T03:22:07.465+0800 E STORAGE  [initandlisten] WiredTiger (-31804) [1484940127:465576][39398:0x7f52a1effcc0], file:WiredTiger.wt, connection: the process must exit and re
      start: WT_PANIC: WiredTiger library panic
      2017-01-21T03:22:07.465+0800 I -        [initandlisten] Fatal Assertion 28558
      2017-01-21T03:22:07.465+0800 I -        [initandlisten]
      

      Could you please help to recover my database, it's very important.
      I attached two file where I think is the problem.

        1. mongod.log
          9 kB
          Dingfu ye
        2. repair_attempt.tar.gz
          2.36 MB
          Kelsey Schubert
        3. WiredTiger.turtle
          0.9 kB
          Dingfu ye
        4. WiredTiger.turtle
          0.9 kB
          Dingfu ye

            Assignee:
            kelsey.schubert@mongodb.com Kelsey Schubert
            Reporter:
            rory Dingfu ye
            Votes:
            0 Vote for this issue
            Watchers:
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              Created:
              Updated:
              Resolved: