Installed exfat support for RHEL7, based on the link below, same as RHEL6:
http://docs.gz.ro/node/162
1. Download the following RPMs:
http://download1.rpmfusion.org/free/el/updates/6/x86_64/repoview/exfat-utils.html
http://download1.rpmfusion.org/free/el/updates/6/x86_64/repoview/fuse-exfat.html
2, install
rpm -Uvh exfat-utils-1.0.1-1.el6.x86_64.rpm
rpm -Uvh fuse-exfat-1.0.1-1.el6.x86_64.rpm
3,mount your usb dirve
fdisk -l
Device Boot Start End Blocks Id System
/dev/sdd1 * 2048 61521919 30759936 7 HPFS/NTFS/exFAT
[root@localhost Downloads]# mount.exfat /dev/sdd1 /mnt