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Database Essentials
OpenEdge RDBMS : OpenEdge architecture : Guidelines for choosing storage area locations

Guidelines for choosing storage area locations

When choosing 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.