Well, re-installing isn't such a bad thing for a newly installed system. Only your time will be lost. And you could choose another partitioning layout that you like better. But I think I also would download Western Digital's diagnostic software and run that on the hard drive just to see what it says about it. If it passes those tests, then I would re-install.
P.S.: If you are already wanting to resize your logical volumes, then consider this if you do re-install. Consider installing Fedora in standard ext3 or ext4 partitions instead of LVM physical and logical volumes. Maybe /boot, /home, and / partitions of whatever size you want. I like a single / partition for everything. Whatever, but you don't really need the added complexity of LVM at this point. IMO. Only a recommendation to take or leave.
Thank you very much for replying , actualy i let Fedora chosoe what is best for it , as i said iam not a noob
i will see what can i do about that ... gonna read more about partitions before reinstalling .....and ofcorse your PS and recommandation will help ....
... gonna read more about partitions before reinstalling .....and ofcorse your PS and recommandation will help .... 
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