Today while i was browsing on Oracle Fourms i found Threads related to 11gR2 Installation , the OP faced an error like the below :-
The above error related to Space On Temp File system all you have to do make sure that there is enough space on temp ( tmp ) or use the below command :-
export TMP=/u01/Foldername
export TMPDIR=/u01/Foldername
Try again now
Cheers
Osama ..