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Dieter Henig

Dieter Henig

Rename your DB clone completely

By | Database Administration & Monitoring, Database management, Oracle | 2 Comments

Introduction Have you ever renamed your database? When you cloned a DB, you probably started it with a new name and cloning (duplicating) with RMAN provided a new DBID, right? So why should we need to rename a DB? There may be several reasons: due to changed company rules, you need to rename all your DBs After a restore you need to run the DB with another name After a snapshot clone, (see my recent…

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Dieter Henig

Clone a Terabyte Database in Seconds

By | Database Administration & Monitoring, Database management, DevOps, Hardware & Storage, Oracle | One Comment

Introduction Have you ever cloned a database using RMAN? Have you ever gotten the advice not to clone during daytime to avoid performance downgrade on the entire storage or network? For a proof of concept, we wanted to evaluate a Pure Storage array in terms of feasibility and speed of database cloning by using storage-based snapshot technology. First, I want to mention that PureStorage produces Storage devices in several sizes, all based on NVMe devices…

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