With every new version, Oracle introduces exciting features like Oracle Multitenant option, Oracle Active Data Guard Far Sync, information lifecycle management enhancements and new data types just to name a few. Customers wishing to take advantage of these and other new features will need to upgrade their existing databases, as well as migrate onto modern infrastructure to ensure high levels of performance.
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As downtime (planned and unplanned) trends lower and SLAs continue to increase, it is important to be able maximize online operations as much as possible. In this article, we will be looking at performing a storage upgrade or refresh online, which is possible if you are running on Oracle Automatic Storage Management (ASM).
In order to keep this simple, let’s assume that our database is running on one ASM disk group: DATA. That disk group is composed of one ASM disk: SPINNING. We’re going to create a new disk, FLASH, on our brand new, all-flash storage array. In the example below, you’ll see us migrate from SPINNING to FLASH with no downtime at all.