Unix stuff - fsck usb h/d eg

Unix bits

fsck external hard disk (/mnt/usb) that lost power


# df -h


/dev/sdh1             1.8T  1.7T   57G  97% /mnt/usb2
/dev/sdf1             1.8T  196M  1.7T   1% /mnt/usb

# cd /mnt/usb
# ls 
ls: reading directory .: Input/output error
# fdisk -l
# fdisk -l | grep dev


Disk /dev/mapper/RootVolume-OptVol: 34.4 GB, 34359738368 bytes
Disk /dev/sdh: 2000.4 GB, 2000398934016 bytes
/dev/sdh1               1      243202  1953514583+  ee  GPT
Disk /dev/sdf: 2000.4 GB, 2000398934016 bytes
/dev/sdf1               1      243202  1953514583+  ee  GPT

# add device to fstab
# vi /etc/fstab
# cat /etc/fstab


/dev/sdh1             1.8T  1.7T   57G  97% /mnt/usb2
/dev/sdf1             1.8T  196M  1.7T   1% /mnt/usb

# /mnt/usb
# df -h


/dev/sdh1             1.8T  1.7T   57G  97% /mnt/usb2
/dev/sdf1             1.8T  196M  1.7T   1% /mnt/usb

# fsck.ext3 /dev/sdf1

e2fsck 1.41.12 (17-May-2010)
/dev/sdf1 is mounted.  

WARNING!!!  The filesystem is mounted.   If you continue you ***WILL***
cause ***SEVERE*** filesystem damage.

Do you really want to continue (y/n)? yes

/dev/sdf1: recovering journal
/dev/sdf1: clean, 11/122101760 files, 7713452/488378637 blocks