Follow the step below to identify the DSN used by Strategy Intelligence Server 9.x running on Linux, i.e. Red Hat Enterprise Linux to access the metadata:
Execute the command cat /var/opt/MicroStrategy/MSIReg.reg | grep -i dsn= from Linux console and it will show the string "Location"="<ODBC DSN name>" like showed in the following image:`

# cat /var/opt/MicroStrategy/MSIReg.reg | grep -i dsn=
"Location"="<ODBC DSN name>"
#
NOTE: For Windows, refer to the Strategy KB article - KB428146: How to determine which DSN is being used by the Intelligence Server on a 64-bit Windows machine.
Third Party Software Installation Warning:
The third-party product(s) discussed in this technical note is manufactured by vendors independent of Strategy. Strategy makes no warranty, express, implied or otherwise, regarding this product, including its performance or reliability.