User Guide

SAP AG November 2002
The data volumes [Page 130] and log volumes [Page 144] are on different disks. The log
volumes are mirrored.
Various Database Systems
For performance reasons, the SAP DB database system should not be installed on the same
computer along with other database systems.
IF you want to install several SAP DB database instances [Page
132], then every database
instance should be installed on a separate computer. This will allow you to deal with possible
performance problems more easily.
SAP DB Directories
The following table contains the distribution of the SAP DB directories on the hard disk [Page
68] for a database instance [Page 132].
Conventions
Variables [Page
68]
SAP DB Directories
Directory name Description
<independent_data_path>
IndepDataPath-Directory that, along with other
data, contains the following instance data [Page
71]:
• Configuration directory
• Run directory [Page
147] of the database
instance
<independent_data_path>/config
Configuration directory
• Parameter files
• Files for user authorization
<independent_data_path>/wrk/<database
_name>
Run directory of the database instance
<database_name>
• Log files (knldiag)
• Kernel trace files
• Kernel dump files
<independent_program_path>
IndepProgPath-The directory that contains the
programs that are independent of the database
software version
• Programs Independent of the Database
Software Version [Page 71]
• Libraries for the Client Run-Time
Environment [Page 72]
<dependent_path>
The directory (InstRoot) that contains the
User Manual: SAP DB 70