Uncompressed backup image is "unknown format".

A partition and disk imaging/cloning program

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Uncompressed backup image is "unknown format".

Forum: Clonezilla live

Creator: Shin Tanaka

Created: 2021-06-28

Updated: 2021-07-04

Shin Tanaka - 2021-06-28

Hello.

Please Help me.

I backed up with clonezilla on my DELL precision T1700.
OS is Windows 7 64bit on intel SSD 500GB.
Version is "stable - 2.7.2-39 amd 64 ISO"

I chosed uncompressed as the compression format.

When I restore, the following message is displayed and it stops.

"clonezilla ocs-live-general finished with error"

When I opened the error log, it said "unknown format".

It contains important data, so I definitely want to restore it.
Is there a bug in creating an uncompressed backup image?

Can anyone give me an answer on how to restore it?

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Steven Shiau - 2021-06-30

I can not reproduce this issue here. Could you please take some photos about the error on the screen the post them?
BTW, please also show us the content of the image file by running:
ls -alF /home/partimag/YOUR_IMAGE/
Replace "YOUR_IMAGE" with your image name.
Thanks.

Steven

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Shin Tanaka - 2021-06-30

Hi. Steven Shiau

Thanks message.
Please help me.

Last edit: Shin Tanaka 2021-06-30

IMG_20210630_230224S.jpg

IMG_20210630_230730S.jpg

cronezilla-img.jpg

error log.jpg

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Steven Shiau - 2021-06-30

So you choose -q in the expert mode, instead of the default option -q2?
I believe this is a bug for using ntfsclone with no compression in Clonezilla. We will try to fix it asap.
It's not recommended to use ntfsclone since it's only for some special cases. Partclone is a better choice.
For the moment, I suggest you backup the image dir first. Then you can follow this to manually extract the image or restore it. It's recommended to do that in a virtual machine or spare machine:
https://drbl.org/faq/fine-print.php?path=./2_System/42_manually_ntfsclone.faq#42_manually_ntfsclone.faq
Or you can wait for us to fix this issue if you can wait.

Steven

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Rescuezilla - 2021-07-01

Hi Shin,

Try restoring with the latest version of Rescuezilla: https://rescuezilla.com/download

I have tested and it can restore uncompressed NTFSclone images created by Clonezilla. Rescuezilla is fully compatible with Clonezilla images but works differently internally so works in this case!

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Steven Shiau - 2021-07-01

@Shin,
You can give Clonezilla live >= 2.7.3-6 or 20210701-* a try:
https://clonezilla.org/downloads.php
This issue should have been fixed.
Please let us know the results. Thanks.

Steven

❤️
1

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Shin Tanaka - 2021-07-01

@Rescuezilla
Unfortunately, Rescuezilla did not load the image data for sda2 and sda3.

@Steven Shiau
Thank you so much.
I confirmed that it can be restored with the following ISO files.

clonezilla-live-2.7.3-6-amd64.iso
clonezilla-live-20210701-hirsute-amd64.iso
clonezilla-live-20210701-impish-amd64.iso

I am very happy thanks to you.

👍
1

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Steven Shiau - 2021-07-01

@Shin,
Great. It's nice to know these releases work for you.
Thanks for reporting this bug. Appreciate.

Steven

👍
1

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Shin Tanaka - 2021-07-02

@Steven Shiau

By the way, I have also confirmed that older versions than 2.7.2-39 cannot be restored.
I'm glad to help you.

What part of Clonezilla was the problem?

Last edit: Shin Tanaka 2021-07-02

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Steven Shiau - 2021-07-04

Thanks for asking.
It's because the newer program "file" can tel the image is saved from ntfsclone now so it gives different results when running "file -Ls". It used to only show "data". To fix this, we have to change it in ocs-functions. You can refer to this commit:
https://gitlab.com/stevenshiau/clonezilla/-/commit/3f8cbe2ba4968fe88956c3f3aaaadd4735a672c7

Steven

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