Re: Festplatten sichern
Ingo Juergensmann <ij@2008.bluespice.org> wrote:
> Sicherlich kommt man an irgendwie an die einzelnen Partitionen in so
> einem Image ran, aber bei meinem Test letztens hatte das nicht
> straight-forward geklappt.
man kpartx
-rw-r--r-- 1 root root 16777216 7. Okt 18:22 testdisk.img
root@rechner:/tmp# fdisk -l testdisk.img
You must set cylinders.
You can do this from the extra functions menu.
Disk testdisk.img: 0 MB, 0 bytes
255 heads, 63 sectors/track, 0 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x47385ee4
Device Boot Start End Blocks Id System
testdisk.img1 1 1 8001 83 Linux
testdisk.img2 2 2 8032+ 5 Extended
testdisk.img5 2 2 8001 83 Linux
root@rechner:/tmp# losetup -f testdisk.img
root@rechner:/tmp# losetup -a
/dev/loop0: [0900]:423551 (testdisk.img)
root@rechner:/tmp# kpartx -v -a /dev/loop0
add map loop0p1 (253:4): 0 16002 linear /dev/loop0 63
add map loop0p2 (253:5): 0 16065 linear /dev/loop0 16065
add map loop0p5 (253:6): 0 16002 253:5 63
root@rechner:/tmp# ls -al /dev/mapper/loop0*
brw-rw---- 1 root disk 253, 4 7. Okt 18:27 /dev/mapper/loop0p1
brw-rw---- 1 root disk 253, 5 7. Okt 18:27 /dev/mapper/loop0p2
brw-rw---- 1 root disk 253, 6 7. Okt 18:27 /dev/mapper/loop0p5
root@rechner:/tmp# mke2fs -v /dev/mapper/loop0p5
mke2fs 1.41.2 (02-Oct-2008)
fs_types for mke2fs.conf resolution: 'ext2', 'small'
Filesystem label=
OS type: Linux
Block size=1024 (log=0)
Fragment size=1024 (log=0)
2000 inodes, 8000 blocks
400 blocks (5.00%) reserved for the super user
First data block=1
Maximum filesystem blocks=8388608
1 block group
8192 blocks per group, 8192 fragments per group
2000 inodes per group
Writing inode tables: done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 29 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
root@rechner:/tmp# mount /dev/mapper/loop0p5 /mnt/tmp/
root@rechner:/tmp# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/mapper/loop0p5 7745 45 7300 1% /mnt/tmp
S°
--
Sig lost. Core dumped.
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