If system crashes with no room left in the savecore directory and you want to save some critical system crash dump information, use one of the following methods.
After the system reboots, log in as the root role. Remove existing crash dump files that have already been sent to your service provider from the savecore directory.
Alternately, after the system reboots, log in as the root role. Manually run the savecore command and specify an alternate directory that has sufficient disk space:
# savecore directory