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Mongodb 2.6 Server crash and not restarting

We are using mongodb 2.6 with one Primary and 2 secondaries. One of the secondary has gone bad and not restarting. 2014-04-18T21:13:34.765+0000 [rsSync] replSet still syncing, not yet to minValid ...
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0answers
413 views

Passing NULL xml value to a certain CLR stored function crashes it when called in a certain way

Consider a CLR stored procedure that accepts an XML parameter and calls another stored procedure in the same schema: [SqlFunction(DataAccess = DataAccessKind.Read, IsDeterministic = false, ...
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464 views

Analyzing MySQL crash due to corrupt InnoDB page. Failed page checksum

Lately we have been pestered by infrequent sporadic database crashes on one of our MySQL instances. Each time it is due to a failed page checksum. It happens on a specific database but spans multiple ...
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2k views

Cannot enter psql command “FATAL: the database system is starting up”

I cannot login into postgresql server using psql command (to create / update / delete table) because some sort of error like below. the command : [root@Server-Database pg_log]# su postgres ...
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0answers
3k views

MySQL crashes randomly with “Database was not shut down normally” message in log

I am having an issue where, for no apparent reason, my MySQL server crashes and has to restart. Essentially, the error log has entries like this: 131128 12:16:35 mysqld_safe Number of processes ...
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57 views

Configuring MySQL for Power Failure

I have absolutely no experience with databases and MySql. Now the problem is I have an embedded device running a MySQL database with a web based application. The problem is when I shutdown my embedded ...
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0answers
162 views

Database instance keeps restarting

From the past few days, our MySQL database instance has crashed and had to be restarted a few times. My MySQL version is 5.1.57-log. The CPU and memory usage was way below 50% during the crash time. I ...
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166 views

MySQL 5.1 replication broken after crash, duplicate key error, why? No redo log corruption

What do you think is the reason for the duplicated key errors in our MySQL 5.1.61 replication slave, after the slave machine crashed? It's not corrupted redo logs. Details follows: We have ...
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65 views

InnoDB data back in 3 months after OS shutdown

I've got an interesting issue last week that after shutting down an instance of mine, all data were back in 3 months (like a big rollback), even though there is no sign of crashing, recovery crash ...
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749 views

MySQL installation broken after Windows crash - how to repair MySQL and recover data?

recently my PC powered off abruptly for no apparent reason, leaving my Windows 7 installation severly damaged. I can still log onto the machine, but tons of Windows system files have been corrupted ...