Re: ANOUNCEMENT: zsplit, unzsplit: free linux tools to make a full drive image backup!

From: Thomas Wana (thomas_hatesspam_at_wana.at)
Date: 02/16/05 

Date: Wed, 16 Feb 2005 08:36:52 +0100
To: "jurij@device-image.de" <jurij@device-image.de>

Impressive. But wait! Do I have that already installed on my
system?

jurij@device-image.de wrote:
> Please visit the homepage of DeviceImage-Project:
> http://www.device-image.de
>
> Disk images provide a powerful backup-restore solution and are exact
> copies of your hard drive which are created by using low level byte by
> byte copy operation. So even if your drive goes bad, you will still
> have an entire copy of your system that you can restore.

man dd

>
> zsplit and unsplit are Linux utilities.
> zsplit is a command line imager, which allows you to create an exact
> disk image. Finally it compresses the output image file and splits it
> into chunks of defined size to fit exactly the size of storage media
> (CD, DVD or HDD).

man dd
man bzip2
man gzip
man split

>
> unzsplit is a command line restore tool. It restores files produced by
> zsplit to its origin, i.e. splitted and compressed image files will be
> uncompressed, tied together and restored to the original device or
> partition.

man cat
man bzip2
man gzip

>
> Key Features :
>
> 1. runs under GNU/Linux OS

done

>
> 2. creates images from FAT16, FAT16X, FAT32, FAT32X, NTFS (MS Windows-
> 95, -98, -Me, -NT4, -2000, -XP), Linux Ext2, Linux Ext3, ReiserFS and
> Linux swap partitions.

done

>
> 3. is able to create images from Very Large Files or devices (tested
> with 200 Gygabyte devices)

done

>
> 4. output image files can be compressed to various density (900 MiB
> (megabyte binary) FAT32 partition can be compressed to 350 - 400 MB
> and can be stored on one CD)

done
(man mkisofs, man cdrecord)

>
> 5. output image file can be splitted into pieces of defined size

done

>
> 6. in case of partially damaged devices, blocks and/or sectors safely
> reads all remaining intact sectors

done

>
> 7. supports non-seekable input and output (so you can use pipes for
> stdin and/or stdout)

done

>
> Please visit the homepage of DeviceImage-Project:
> http://www.device-image.de

Innovative work, congratulations.

Tom

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