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  1. Core Server
  2. SERVER-48997

WiredTiger error (0) [1592706210:316091][1348:140711918768256], file:sizeStorer.wt, WT_SESSION.open_cursor: read checksum error for 4096B block at offset 12288: block header checksum of 2818196015 doesn't match expected checksum of 3842992612

    • Type: Icon: Bug Bug
    • Resolution: Done
    • Priority: Icon: Major - P3 Major - P3
    • None
    • Affects Version/s: None
    • Component/s: None
    • None
    • Server Triage
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      2020-06-21T07:23:30.092+0500 I CONTROL [main] Trying to start Windows service 'MongoDB'
      2020-06-21T07:23:30.093+0500 I CONTROL [initandlisten] MongoDB starting : pid=1348 port=27017 dbpath=c:\data\db 64-bit host=SVGATE_8_204
      2020-06-21T07:23:30.093+0500 I CONTROL [initandlisten] targetMinOS: Windows 7/Windows Server 2008 R2
      2020-06-21T07:23:30.093+0500 I CONTROL [initandlisten] db version v3.4.1
      2020-06-21T07:23:30.093+0500 I CONTROL [initandlisten] git version: 5e103c4f5583e2566a45d740225dc250baacfbd7
      2020-06-21T07:23:30.094+0500 I CONTROL [initandlisten] OpenSSL version: OpenSSL 1.0.1t-fips 3 May 2016
      2020-06-21T07:23:30.094+0500 I CONTROL [initandlisten] allocator: tcmalloc
      2020-06-21T07:23:30.094+0500 I CONTROL [initandlisten] modules: none
      2020-06-21T07:23:30.094+0500 I CONTROL [initandlisten] build environment:
      2020-06-21T07:23:30.094+0500 I CONTROL [initandlisten] distmod: 2008plus-ssl
      2020-06-21T07:23:30.094+0500 I CONTROL [initandlisten] distarch: x86_64
      2020-06-21T07:23:30.094+0500 I CONTROL [initandlisten] target_arch: x86_64
      2020-06-21T07:23:30.094+0500 I CONTROL [initandlisten] options: \{ config: "C:\data\mongod.cfg", service: true, storage: { dbPath: "c:\data\db" }, systemLog: \{ destination: "file", path: "c:\data\log\mongod.log" } }
      2020-06-21T07:23:30.094+0500 I - [initandlisten] Detected data files in c:\data\db created by the 'wiredTiger' storage engine, so setting the active storage engine to 'wiredTiger'.
      2020-06-21T07:23:30.095+0500 I STORAGE [initandlisten] wiredtiger_open config: create,cache_size=2487M,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),
      2020-06-21T07:23:30.317+0500 E STORAGE [initandlisten] WiredTiger error (0) [1592706210:316091][1348:140711918768256], file:sizeStorer.wt, WT_SESSION.open_cursor: read checksum error for 4096B block at offset 12288: block header checksum of 2818196015 doesn't match expected checksum of 3842992612
      2020-06-21T07:23:30.317+0500 E STORAGE [initandlisten] WiredTiger error (0) [1592706210:317091][1348:140711918768256], file:sizeStorer.wt, WT_SESSION.open_cursor: sizeStorer.wt: encountered an illegal file format or internal value
      2020-06-21T07:23:30.317+0500 E STORAGE [initandlisten] WiredTiger error (-31804) [1592706210:317091][1348:140711918768256], file:sizeStorer.wt, WT_SESSION.open_cursor: the process must exit and restart: WT_PANIC: WiredTiger library panic
      2020-06-21T07:23:30.317+0500 I - [initandlisten] Fatal Assertion 28558 at src\mongo\db\storage\wiredtiger\wiredtiger_util.cpp 361
      

       

       

      how I can skip recover process and just start db, I need to export some archival data from non corrupted blocks?

        1. db.rar
          14 kB
        2. log.rar
          19 kB

            Assignee:
            backlog-server-triage [HELP ONLY] Backlog - Triage Team
            Reporter:
            mirzalolovbobur@gmail.com Бобур Миржалолов
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              Created:
              Updated:
              Resolved: