# cat /etc/fstab
proc            /proc           proc    nodev,noexec,nosuid 0       0
/dev/mapper/pdc_bghdibacj5 /               ext4    errors=remount-ro 0       1
/dev/mapper/pdc_bghdibacj1 /boot           ext4    defaults        0       2
/dev/mapper/pdc_bghdibacj7 /home           ext4    defaults        0       2
/dev/mapper/pdc_bghdibacj6 none            swap    sw              0       0

# mount -l
/dev/mapper/pdc_bghdibacj5 on / type ext4 (rw,errors=remount-ro)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
fusectl on /sys/fs/fuse/connections type fusectl (rw)
none on /sys/kernel/debug type debugfs (rw)
none on /sys/kernel/security type securityfs (rw)
udev on /dev type devtmpfs (rw,mode=0755)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=0620)
tmpfs on /run type tmpfs (rw,noexec,nosuid,size=10%,mode=0755)
none on /run/lock type tmpfs (rw,noexec,nosuid,nodev,size=5242880)
none on /run/shm type tmpfs (rw,nosuid,nodev)
/dev/mapper/pdc_bghdibacj1 on /boot type ext4 (rw)

# dmraid -s
*** Active Set
name   : pdc_bghdibacj
size   : 1953124992
stride : 128
type   : mirror
status : ok
subsets: 0
devs   : 2
spares : 0

# fdisk -l /dev/mapper/pdc_bghdibacj
Disk /dev/mapper/pdc_bghdibacj: 1000.0 Гб, 999999995904 байт
/dev/mapper/pdc_bghdibacj1   *        2048     1953791      975872   83  Linux
/dev/mapper/pdc_bghdibacj2         1955838  1953124351   975584257    5  Extended
/dev/mapper/pdc_bghdibacj5         1955840    80078847    39061504   83  Linux
/dev/mapper/pdc_bghdibacj6      1921875968  1953124351    15624192   82  Linux swap / Solaris
/dev/mapper/pdc_bghdibacj7        80080896  1921871871   920895488   83  Linux

# mount /home
mount: /dev/mapper/pdc_bghdibacj7 already mounted or /home busy

# fsck.ext4 /dev/mapper/pdc_bghdibacj7
e2fsck 1.41.14 (22-Dec-2010)
fsck.ext4: Device or resource is busy /dev/mapper/pdc_bghdibacj7
Filesystem mounted or opened exclusively by another program?