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splitting a large Acronis image file & join back later in Windows/MSDOS (equivalent of Unix split)

Posted on 2008-10-29
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Last Modified: 2016-10-27
Hi,

I've created a number of large Acronis image backup files (.tib) & this is
filling up our NAS disk space.

I'll need to burn it into DVD to housekeep the large .tib files.

BTW, there's on 4Gb Acronis .tib file which will always give me
error when I burn to a DVD-R using Nero (spoilt 3 pcs of DVD-R)
 but when I used a DVD+R with Sonic, it could burn Ok

What tool can I used to split them, burn them as "Data DVD" &
when needed, join them back & Acronis should be able to
use the joined file for restoration.

In Unix, "split" is used that could specify size of the output
file & then "cat xxx >> yyy"  to join the split files back

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Question by:sunhux
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LVL 96

Assisted Solution

by:Lee W, MVP
Lee W, MVP earned 2000 total points
ID: 22829173
You should be able to burn 4 GB files, but you'll have to use UDF format disks.
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Author Comment

by:sunhux
ID: 22829196
Thanks, any utility to split & then join back a large file (a 25Gb file)?

Also, I ran into another problem :
I map a drive on my PC to the NAS' share & tried to copy
(MSDOS copy)  a 25Gb Acronis image file down to my
PC's USB connected external disk & it says
"not enough disk space" but my USB disk
has almost 200Gb of free disk space
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LVL 96

Accepted Solution

by:
Lee W, MVP earned 2000 total points
ID: 22829210
External disks must be formatted as NTFS to accept files larger than 4 GB.

As for a way to split the file, first, I recommend using Acronis' built in ability chop up the files - I usually use about 1450 MB as the file size.

If it's too late to create a new image, I would then use WinRAR to chop up the existing file into smaller chunks.
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Author Comment

by:sunhux
ID: 22829696
Thanks for giving me the idea about using WinRAR : found that the
freeware 7-Zip could create a zip file that's chopped up into
smaller chunks too.
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Author Closing Comment

by:sunhux
ID: 31511085
Thanks for WinRAR idea : found that the free 7-Zip can split up files too
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