FC1: how to increase the size of /usr filesystem

[DI Friedrich Reichhart]

I have a server with RAID 5 and now i put a 5th HD to the raid. In Linux 
the free space is now at the end of the Raid-HD (all 5 Disk are shown as 
one HD) after the end of the extended Partition. My last logical partition 
is the /usr filesystem and now i want to increase the size of /usr.
Does anybody know how to do?
Is there any tool to do with?

Dipl.-Ing. Friedrich Reichhart

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**   senior.reichhart at sdr.at , office at sdr.at / www.sdr.at