This is no problem as long as the uuidd is running permanently. In order to be safe, the update of e2fsprogs-libs and uuidd is recommended.
After the packages have been updated, please check that the uuidd daemon is configured to start at boot time to run all the time
(as root): > chkconfig
list uuidd uuidd 0:off 1:off 2:on 3:on 4:on 5:on 6:off
If the output of the chkconfig command looks different (e. g it shows "off" after each number), please run the following command:
> chkconfig uuidd on
This will make sure that uuidd is automatically started at boot time.
Afterwards run the following command to restart uuidd (as root): > service uuidd restart
You can then verify if uuidd is running with the following command: > ps -ef grep -i uuidd which should return a line similar to the following: uuidd 9339 1 0 11:01 ? 00:00:00 /usr/sbin/uuidd
Afterwards please rerun the "check-libuuid.sh" script to verify that everything is configured correctly, and then check in your SAP system if it still reports the error 20011.