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Interstage Big DataParallel Processing ServerV1.0.1 User's Guide
FUJITSU Software

Chapter 13 Adding and Deleting Storage Systems

This chapter explains how to add and delete storage systems.

In a DFS, the storage area for data is built into shared disk devices.

To enhance the processing performance of a shared disk device for file data I/O, or to increase the file system capacity, add a new file data area to the shared disk device (an area to store the file data on the shared disk device).

Adding a new partition will increase the size of the file data area and enable larger volumes of data than previously to be stored on a DFS. When a DFS comprises multiple partitions, the file data I/O processing is distributed, which improves the performance of the shared disk device.

Point

After changing the configuration by adding or deleting a storage system, but before restarting operations, ensure that you back up the configuration information for master servers, development servers, and collaboration servers.

Refer to "14.1 Backup" for details.