Что выдаёт команда mount?
[mdm@comp-Core2-Duo ~]$ mount
/dev/sdd2 on / type xfs (rw,relatime)
proc on /proc type proc (rw,noexec,nosuid,gid=19)
sysfs on /sys type sysfs (rw)
udevfs on /dev type tmpfs (rw)
devpts on /dev/pts type devpts (rw)
shmfs on /dev/shm type tmpfs (rw)
tmpfs on /tmp type tmpfs (rw,nosuid)
/dev/sdd1 on /mnt/sda1 type fuseblk (rw,allow_other,default_permissions,blksize=4096)
/dev/sda1 on /mnt/sdc1 type fuseblk (rw,allow_other,default_permissions,blksize=4096)
/dev/sdb1 on /mnt/sdd1 type fuseblk (rw,allow_other,default_permissions,blksize=4096)
/dev/sdb5 on /mnt/sdd5 type fuseblk (rw,allow_other,default_permissions,blksize=4096)
/dev/sdc1 on /mnt/sde1 type fuseblk (rw,allow_other,default_permissions,blksize=4096)
/dev/sde1 on /mnt/sdb1 type fuseblk (rw,allow_other,default_permissions,blksize=4096)
rpc_pipefs on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
/dev/sdf1 on /media/disk type vfat (rw,nosuid,nodev,noatime,shortname=winnt,iocharset=utf8,uid=500)
[mdm@comp-Core2-Duo ~]$