Release 10.1A: OpenEdge Getting Started:
Database Essentials

> ## Guidelines for choosing storage area locations

> When you choose the locations for your database storage areas, consider the following:

> - Protect against disk failures by creating the after-image storage area on a separate physical disk from the disks that store the database control and primary recovery areas.

> - Improve performance by creating the primary recovery area on a separate disk from the disk that stores the database control area and its extents.

> - If using two-phase commit, create the transaction log area in the same directory as the database control area to simplify management.

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