[SERVER-32455] file:WiredTiger.wt, connection: read checksum error for 4096B block, mongodb 3.6 won't start Created: 26/Dec/17  Updated: 05/Feb/18  Resolved: 09/Jan/18

Status: Closed
Project: Core Server
Component/s: WiredTiger
Affects Version/s: None
Fix Version/s: None

Type: Bug Priority: Major - P3
Reporter: allenliang Assignee: Mark Agarunov
Resolution: Incomplete Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Attachments: HTML File WiredTiger     File WiredTiger.turtle     File WiredTiger.wt     File repair-SERVER-32455.tar.gz     File storage.bson    
Operating System: ALL
Participants:

 Description   

I am use wt tool to repair a corrupted db, but wt salvage can't repair these errors:

[1514266648:623045][26316:0x7ff9ed0ce740], file:WiredTiger.wt, connection: read checksum error for 4096B block at offset 36864: block header checksum of 1869182051 doesn't match expected checksum of 3264443415
[1514266648:623098][26316:0x7ff9ed0ce740], file:WiredTiger.wt, connection: WiredTiger.wt: encountered an illegal file format or internal value
[1514266648:623116][26316:0x7ff9ed0ce740], file:WiredTiger.wt, connection: the process must exit and restart: WT_PANIC: WiredTiger library panic
lt-wt: WT_PANIC: WiredTiger library panic

I have attached WiredTiger.wt and WiredTiger.turtle. Any help would be appreciated.

Thanks,



 Comments   
Comment by Mark Agarunov [ 09/Jan/18 ]

Hello leaf1200,

We haven’t heard back from you for some time, so I’m going to mark this ticket as resolved. If this is still an issue for you, please provide additional information and we will reopen the ticket.

Thanks,
Mark

Comment by Mark Agarunov [ 26/Dec/17 ]

Hello leaf1200,

Thank you for your report. I've attached a repair attempt of the files you provided. Please extract these files and replace them in your $dbpath and let us know if it resolves the issue. If you are still seeing errors after replacing these files, please provide the complete logs from the affected node(s) so that we can further investigate.

Thanks,
Mark

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