Error validating nbdb backup


In SQL Anywhere 16, the two database server switches dbsrv16 -uf and dbsrv16 -ufd control the database server behavior when an assertion occurs on an individual database.SQL Anywhere 16 now allows database administrators finer control of the database server behaviour when an assertion occurs.If you are using SQL Anywhere 16, you can configure the server behavior upon receiving an assertion via the Recovering the database from a valid backup of the database file and transaction log is the best method for recovering from a database assertion or corruption.If there are no transaction logs missing in the sequence from the last valid backup to the time of the assertion failure, then there will be no data loss as a result of the assertion.Assertions are checked conditions in the SQL Anywhere server that prevent data corruptions during operation.



is being used with Mobi Link, SQL Remote, or Replication Server).The best database protection against an assertion failure is a tested that accounts for operating system crashes, disk failure, file corruption, and total machine failure.A tested backup and recovery strategy allows for minimum downtime in the event of an assertion failure.Using dbeng X -f allows recovery to the last checkpoint without applying the transactions in the transaction log.

This is only true if the transaction log is not present in the location where the database file expects the transaction log to be located.

The following steps should be taken as part of your backup recovery strategy.