Linux File System Recovery

Linux File System Recovery-Linux Enterprise Application-Linux server application information. The following is a detailed description. [Root @ woody root] # fdisk-l/dev/hda

Disk/dev/hda: 5368 MB, 5368709120 bytes
255 heads, 63 sectors/track, 652 cylinders
Units = cylinders of 16065*512 = 8225280 bytes

Device Boot Start End Blocks Id System
/Dev/hda1*1 13 104391 83 Linux
/Dev/hda2 14 523 4096575 83 Linux
/Dev/hda3 524 588 522112 + 82 Linux swap
/Dev/hda4 589 652 514080 5 Extended
/Dev/hda5 589 652 514048 + 83 Linux

[Root @ woody root] # mount
/Dev/hda2 on/type ext3 (rw)
None on/proc type proc (rw)
Usbdevfs on/proc/bus/usb type usbdevfs (rw)
/Dev/hda1 on/boot type ext3 (rw)
None on/dev/pts type devpts (rw, gid = 5, mode = 620)
/Dev/hda5 on/home type ext3 (rw)
None on/dev/shm type tmpfs (rw)

Delete the/boot partition first and try to restore it.
[Root @ woody root] # fdisk/dev/hda

Command (m for help): p

Disk/dev/hda: 5368 MB, 5368709120 bytes
255 heads, 63 sectors/track, 652 cylinders
Units = cylinders of 16065*512 = 8225280 bytes

Device Boot Start End Blocks Id System
/Dev/hda1*1 13 104391 83 Linux
/Dev/hda2 14 523 4096575 83 Linux
/Dev/hda3 524 588 522112 + 82 Linux swap
/Dev/hda4 589 652 514080 5 Extended
/Dev/hda5 589 652 514048 + 83 Linux

Command (m for help): d
Partition number (1-5): 1

Command (m for help): w
The partition table has been altered!

Calling ioctl () to re-read partition table.

WARNING: Re-reading the partition table failed with error 16: Device or resource busy.
The kernel still uses the old table.
The new table will be used at the next reboot.
Syncing disks.

Reboot

No/boot partition found. Go directly to the grub interface.

Put the first installation disc in rescue mode, create a new/boot partition, and then restart it.