Yesterday I had my first experience with Oracle DUL.
A customer had major disk damages on his RAID 5 system, but the backups he made daily were (sadly) never tested (lesson!). Recovery gave lots off errors on UNDO segments in the system table space. Only a 10 months old export was available.
Together with a consultant from Oracle we tried to get data from two damaged databases. For one DB, DUL could read the dictionary from the system data file, but could not read all the data from the user data files. The other DB also had a corrupt system data file, which meant that DUL was unable to read the dictionary and was unable to locate data from user data files. Continue reading
Using updates with joins is something that does not work the first time. I’ve been using Oracle, MSSQL and other DB’s before I became Oracle DBA and I always had to check resources to get it done. Now I add an other resource….
Yesterday I had a developer at my desk who accidentally dropped a few tables. Time for the Recycle Bin thingy!
Today the Agent Configuration Assistant (Agent on 64bit Windows Server 2003, Grid Control on 32bit Windows XP) failed in running the last optional step. It hang for a long time, too long (a hour or so). After canceling this last step, checking the [configToolFailedCommands] showed the [oracle.sysman.emcp.agent.AgentPlugIn] was messing up the set-up.