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# Changing Physical Disk Storage in IBM DB2 pureScale: A Practical Example 

IBM® DB2® pureScale® is a feature that provides continuous availability to multiple active servers that share a common set of disk storage subsystems. This feature includes multiple components, such as IBM Tivoli® System Automation (TSA) for high availability (HA) and General Parallel File System (IBM GPFS™) for clustered file systems. 

Like any component in an IT infrastructure, DB2 pureScale eventually might require a migration to meet the demands of upgraded hardware and software. 

Database administrators, operating system administrators, and system administrators working with DB2 pureScale in different capacities must understand how to upgrade the system and manage the changes that are required for the upgrade effectively by performing the correct steps. 

This IBM Redbooks® Analytics Support web doc introduces a reference procedure and related considerations for storage migration that is based on a real-life test example. Database and system administrators can use this document as a reference when performing a storage migration in DB2 pureScale. This document applies to DB2 pureScale V9.8, V10.1, V10.5, and V11. 

