Major - P3 We have implemented MongoDB master-slave replication on sunday.
last backup was on sunday , database got corrupted to
we restored deleted files from Mongo data directory using Ext Delete command.
We wanted to restore one collection for which we have WT (wiredtiger) file. We are trying to restore that file using the following commands
and we are getting the following errors
wget http://source.wiredtiger.com/releases/wiredtiger-2.7.0.tar.bz2 tar xvf wiredtiger-2.7.0.tar.bz2 cd wiredtiger-2.7.0 sudo apt-get install libsnappy-dev build-essential ./configure --enable-snappy make ./wt -v -h ../mongo-bak -C "extensions=[./ext/compressors/snappy/.libs/libwiredtiger_snappy.so]" -R salvage collection-2657--1723320556100349955.wt Error - ./wt -v -h ../mongo-bak -C "extensions=[./ext/compressors/snappy/.libs/libwiredtiger_snappy.so]" -R salvage collection-246--7553069514495955510.wt [1488888117:36780][13536:0x7f7b633cd740], file:WiredTiger.wt, connection: read checksum error for 4096B block at offset 12288: block header checksum of 1955562709 doesn't match expected checksum of 3146787951 [1488888117:36809][13536:0x7f7b633cd740], file:WiredTiger.wt, connection: WiredTiger.wt: encountered an illegal file format or internal value [1488888117:36817][13536:0x7f7b633cd740], file:WiredTiger.wt, connection: the process must exit and restart: WT_PANIC: WiredTiger library panic lt-wt: WT_PANIC: WiredTiger library panic