Error when upgrading RMAN catalog to 12c

Been looking upgrading to 12c recently and with that comes the upgrade of the rman catalog. The current plan was to leave the RDBMS at 11g but upgrade the catalog to to cover the new databases. From experience it

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Posted in RMAN

Upgrading an RMAN catalog – Without upgrading the RDBMS software

Until recently I was not aware that this was even a thing, but the version of the catalog database that you use can be higher than the RDBMS version running the CATALOG database. How is is this achieved i hear

Posted in Uncategorized

Creating a RMAN catalog

Been doing alot of RMAN related work and realised that I’ve not got anything up here to reference so here is the start of a few RMAN articles. This article assumes that you know what RMAN is and understand what

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Slow logon time to OUEL 7 Boxes

Just started messing around with OUEL7 installations before going on site to help install a new RAC cluster. One issue that I noticed almost straight after the installation completed was it took AGES to login to the terminal using ssh.

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Posted in DBA Admin, Installation, LINUX Admin

Removing old tape backups from RMAN

Hit a problem yesterday, working on a new site reviewing database configurations when i discovered tape backups listed from 2008. After a bit of investigation it turned out they hadnt backed up to tape since 2010 so these bad boys

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Posted in RMAN, DBA Admin

OS Endian formats for XTTS database migrations

It is commonplace task for a DBA to be faced with migrating databases to different platforms. When doing this the endian format of the source and target operating systems need to be taken into account. If the endian format of

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Posted in DBA Admin, Installation, RMAN