Tag Archives: Migration

Database Migration/Move with RMAN: Are you sure nothing is missing?

Forced by the destiny to make a migration using backup/restore (with a little downtime), how to be sure nothing will be lost during the migration? Here is a way: Create your own data just before migrating. 🙂 Seems like a kludge and it is.. haha.. But it works. Take a look: # Original Database SQL> […]


ORA-19751: could not create the change tracking file

Let’s make it simple to solve the problem: # Error: SQL> alter database open; alter database open * ERROR at line 1: ORA-19751: could not create the change tracking file ORA-19750: change tracking file: ‘+DGDATA/mydb/changetracking/ctf.470.859997781’ ORA-17502: ksfdcre:1 Failed to create file +DGDATA/mydb/changetracking/ctf.470.859997781 ORA-17501: logical block size 4294967295 is invalid ORA-15001: diskgroup “DGDATA” does not exist […]


Planning Disaster Recovery, Migration and More

Planning Disaster Recovery, Migration and More

More video of Azure IaaS for IT Pros Online Event: http://ziplnk.com/tb8smt