Upgrading EM12c to 12.1.0.3: Active Directory Authentication Quirks

We recently upgraded our EM12c 12.1.0.2 installation to 12.1.0.3. This service was configured to authenticate logins against our Active Directory server via LDAP. However, after upgrading we found that authentication stopped working, even after recreating the Active Directory Authenticator (as required). I could see the list of users from AD,... [Read More]

shutdown abort: Not always "fine"

When I started out as an Oracle DBA on Oracle 7.3, nearly everyone would tell you to avoid doing a "shutdown abort" if at all possible since it leaves the database open to possible corruptions. In the years and versions since, that thinking has softened greatly, to the point that... [Read More]

UNTIL CANCEL UNTIL CANCEL UNTIL CANCEL

Yesterday I was creating a new Oracle 11.2.0.3 database from a copy of datafiles and archivelogs taken from our standby. I was sure to include archivelogs from just prior to well after the span of the datafile backup time. I had created a new controlfile, gotten everything mounted and recovered... [Read More]