[root@localhost ~]# fsck -t ext2 /dev/hdd1
fsck 1.39 (29-May-2006)
e2fsck 1.39 (29-May-2006)
fsck.ext2: Device or resource busy while trying to open /dev/hdd1
Filesystem mounted or opened exclusively by another program?
[root@localhost ~]# man vgdisplay
Formatting page, please wait...
[root@localhost ~]# vgdisplay
/dev/hda: open failed: No medium found
--- Volume group ---
VG Name VolGroup00
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 2
Act PV 2
VG Size 484.25 GB
PE Size 32.00 MB
Total PE 15496
Alloc PE / Size 15496 / 484.25 GB
Free PE / Size 0 / 0
VG UUID vxhQT4-STBh-DTkA-1RtH-dE1s-XFF4-dmXqeO
[root@localhost ~]# mkfs.ext2 /dev/hdd1mkfs.ext2 /dev/hdd1
[root@localhost ~]# mkfs.ext2 /dev/hdd1
mke2fs 1.39 (29-May-2006)
/dev/hdd1 is apparently in use by the system; will not make a filesystem here!
[root@localhost ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
491363856 3718344 462283080 1% /
/dev/hdc1 101086 17267 78600 19% /boot
tmpfs 127792 0 127792 0% /dev/shm
[root@localhost ~]#