diff options
Diffstat (limited to 'jstests/disk')
| -rw-r--r-- | jstests/disk/wt_repair_corrupt_metadata.js | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/jstests/disk/wt_repair_corrupt_metadata.js b/jstests/disk/wt_repair_corrupt_metadata.js index 16c12ac9bd7..0b5ecf8f3dd 100644 --- a/jstests/disk/wt_repair_corrupt_metadata.js +++ b/jstests/disk/wt_repair_corrupt_metadata.js @@ -65,13 +65,41 @@ mongod = startMongodOnExistingPath(dbpath, mongodOptions); testColl = mongod.getDB(baseName)[collName]; - // The collection exists depite using an older turtle file because salvage is able to find + // The collection exists despite using an older turtle file because salvage is able to find // the table in the WiredTiger.wt file. assert(testColl.exists()); // We can assert that the data exists because the salvage only took place on the metadata, // not the data. assert.eq(testColl.find({}).itcount(), 1); MongoRunner.stopMongod(mongod); + + // Corrupt the .turtle file in a very specific way such that the log sequence numbers are + // invalid. + if (mongodOptions.hasOwnProperty('journal')) { + jsTestLog("Corrupting log file metadata"); + + let data = cat(turtleFile); + let re = /checkpoint_lsn=\(([0-9,]+)\)/g; + let newData = data.replace(re, "checkpoint_lsn=(1,2)"); + + print('writing data to new turtle file: \n' + newData); + removeFile(turtleFile); + writeFile(turtleFile, newData); + + assertRepairSucceeds(dbpath, mongod.port, mongodOptions); + + mongod = startMongodOnExistingPath(dbpath, mongodOptions); + testColl = mongod.getDB(baseName)[collName]; + + // The collection exists despite using a salvaged turtle file because salvage is able to + // find the table in the WiredTiger.wt file. + assert(testColl.exists()); + + // We can assert that the data exists because the salvage only took place on the + // metadata, not the data. + assert.eq(testColl.find({}).itcount(), 1); + MongoRunner.stopMongod(mongod); + } }; // Repair may behave differently with journaling enabled or disabled, but the end result should |