Exadata - the key software components and their location

Directory/Executable/File	Purpose
/opt/oracle	Top level directory containing Oracle storage server software
/opt/oracle.cellos	Directory containing Exadata cell software and utilities
/opt/oracle.cellos/cell.conf	Cell configuration file
/opt/oracle.cellos/CheckHWnFWProfile	Utility to validate hardware profile
/opt/oracle.cellos/ExadataDiagCollector.sh	Utility to collect cell diagnostics data, valuable for SRs
/opt/oracle.cellos/functions_cellos	Contains various Cell OS function calls
/opt/oracle.cellos/imageinfo	Shows current image information
/opt/oracle.cellos/imagehistory	Shows image history
/opt/oracle.cellos/ipconf[.pl]	Displays or configures cell network environment
/opt/oracle.cellos/iso	Contains kernel ISO images
/opt/oracle.cellos/make_cellboot_usb.sh	Creates a USB rescue image
/opt/oracle.cellos/MegaCli64	MegaCLI—also in /opt/MegaRAID/MegaCli
/opt/oracle.cellos/patch	Directory for staged patches
/opt/oracle.cellos/restore_cellboot.sh	Restores from USB rescue image
/opt/oracle.cellos/validations_cell	Directory containing output from cell server validations
/opt/oracle.cellos/vldconfig	Configures cell validation
/opt/oracle.cellos/vldrun	Runs cell validation scripts and logs to /opt/oracle.cellos/validations_cellw
/opt/oracle/cell	Symlink to /opt/oracle.cell[VERSION]
/opt/oracle/cell[VERSION]	Directory containing current cell software. For example, /opt/oracle/cell11.2.2.4.2_LINUX.X64_111221
/opt/oracle/cell[VERSION]/cellsrv	Directory containing cellsrv software
/opt/oracle/cell[VERSION]/cellsrv/deploy/config	Configuration deployment files for active cell image
/opt/oracle/cell[VERSION]/cellsrv/deploy/config/cellinit.ora	Cell initialization parameter file
/var/log/oracle	Directory containing cell server log files, alerts, and trace files
/var/log/oracle/cellos	Directory containing log and trace files for Cell Services utilities, validation framework, and cell server startup/shutdown events
/var/log/oracle/diag/asm	Directory containing log and trace files for cell storage-related events in your cell