Avago Technologies MegaRAID SAS 9240-4i - Manual (Page 25)

LSI Corporation
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MegaRAID SAS Device Driver Installation User Guide 
June 2014
Red Hat Linux Driver Installation
Uninstalling the Red Hat System Driver
3.4 Uninstalling the Red Hat System Driver
NOTE When you uninstall the existing version of the driver, the driver rolls
back to previous version of the driver.
Perform the following steps to uninstall the RPM. In this example, the driver version is 06.602.03.00.
1. Type the following command and press Enter:
# rpm -qa | grep megaraid_sas
2. Find the string that contains the text megaraid_sas, and copy the string.
3. Type the following commands and press Enter:
# rpm -e megaraid_sas-06.602.03.00-1-rhel5
# reboot