Y U NO

gistfile1.txt

root@compute-710a:~# fdisk -l /dev/nova_local/ice-0000008c_disk.local

Disk /dev/nova_local/ice-0000008c_disk.local: 85.9 GB, 85899345920 bytes
16 heads, 63 sectors/track, 166440 cylinders, total 167772160 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xca9ea009

                                  Device Boot      Start         End      Blocks   Id  System
/dev/nova_local/ice-0000008c_disk.local1              63   167771519    83885728+  83  Linux


root@compute-710a:~# fsck /dev/nova_local/ice-0000008c_disk.local1
fsck from util-linux 2.20.1
e2fsck 1.42 (29-Nov-2011)
fsck.ext2: No such file or directory while trying to open /dev/nova_local/ice-0000008c_disk.local1
Possibly non-existent device?
root@compute-710a:~#


#lvdisplay output:

  --- Logical volume ---
  LV Name                /dev/nova_local/ice-0000008c_disk.local
  VG Name                nova_local
  LV UUID                BlqHgb-sJVx-WI44-iion-MLZS-Jnab-UX7xV7
  LV Write Access        read/write
  LV Status              available
  # open                 0
  LV Size                80.00 GiB
  Current LE             20480
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           252:5


root@compute-710a:~# fsck /dev/nova_local/ice-0000008c_disk.local
fsck from util-linux 2.20.1
e2fsck 1.42 (29-Nov-2011)
fsck.ext2: Superblock invalid, trying backup blocks...
fsck.ext2: Bad magic number in super-block while trying to open /dev/mapper/nova_local-ice--0000008c_disk.local

The superblock could not be read or does not describe a correct ext2
filesystem.  If the device is valid and it really contains an ext2
filesystem (and not swap or ufs or something else), then the superblock
is corrupt, and you might try running e2fsck with an alternate superblock:
    e2fsck -b 8193 <device>

root@compute-710a:~# mount /dev/mapper/nova_local-ice--0000008c_disk.local /mnt/test/disk2
NTFS signature is missing.
Failed to mount '/dev/mapper/nova_local-ice--0000008c_disk.local': Invalid argument
The device '/dev/mapper/nova_local-ice--0000008c_disk.local' doesn't seem to have a valid NTFS.
Maybe the wrong device is used? Or the whole disk instead of a
partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?
root@compute-710a:~# mount /dev/mapper/nova_local-ice--0000008c_disk.local1 /mnt/test/disk2
mount: special device /dev/mapper/nova_local-ice--0000008c_disk.local1 does not exist
root@compute-710a:~#



#trying kpart

root@compute-710a:~# kpartx -a /dev/mapper/nova_local-ice--0000008c_disk.local
root@compute-710a:~# file /dev/mapper/nova_local-ice--0000008c_disk.local1
/dev/mapper/nova_local-ice--0000008c_disk.local1: symbolic link to `../dm-27'
root@compute-710a:~# file /dev/dm-27
/dev/dm-27: block special
root@compute-710a:~# mount /dev/dm-27 /mnt/test/disk2
root@compute-710a:~# df -h | grep test
/dev/mapper/nova_local-ice--0000008c_disk.local1   80G   31G   46G  41% /mnt/test/disk2

MAGIC SUCCESS