Author Topic: 21 GB disappeared after CTM uninstall  (Read 27485 times)

Offline Solarlynx

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Re: CIS cannot update after switching to other snapshot in CTM
« Reply #15 on: August 19, 2012, 02:08:54 AM »
Unfortunately I couldn't fix the issue. Anyway I find points 3-6:
3) Open a command window with admin privs and run chkdsk  C:  /f and reboot. Checkdisk will run on reboot. Log will be in OS or application event logs, maybe as a winlogon information event.
4) Repeat  until there are no chkdsk errors reported, or all are trivial.
5) Try the following to fix the OS without re-install - may work, may not. Open a command window with admin privs and run sfc /scannow with your OS disk in a CD drive. Follow all instructions. Check the event log for the sfc report. Then reboot. Run sfc again, hopefully no errors in report now.
6) Compare the OS event logs during the boot sequence from before you started this process with those afterwards. Check for the other problems you may have. Hopefully there will be no serious errors now.
to be rather useful tips to fix other os issues in general.

I started a topic in the CTM board. Could you merge them there?

Thank you.
« Last Edit: August 19, 2012, 02:13:06 AM by Solarlynx »

Offline mouse1

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Re: CIS cannot update after switching to other snapshot in CTM
« Reply #16 on: August 21, 2012, 04:47:31 AM »
Merged! Sorry for delay.

Best wishes

Mouse

Offline mouse1

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Re: 21 GB disappeared after CTM uninstall
« Reply #17 on: August 21, 2012, 05:01:59 AM »
Merging appears to have had unanticipated results of over-writing the target. Very sorry - will investigate later.

Meanwhile if you have emailed copies of the posts over-written please post them in quotes below, ie
Quote
before
after

Many thanks

Mike

Offline Solarlynx

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Re: 21 GB disappeared after CTM uninstall
« Reply #18 on: August 21, 2012, 11:09:29 AM »
Thank you, I see no errors in merging. 
Let me just repeat the main issue if somebody can help me:

I uninstalled CTM  and found that 50 GB system partition has occupied 35 GB though the total size of all files here is 14 GB. The system partition had never been more then 18 GB occupied (except CTM's hidden data, when it was installed). Could anybody help me to get back this 21 GB of system partition?

Thank you.

Offline Solarlynx

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Re: 21 GB disappeared after CTM uninstall
« Reply #19 on: August 23, 2012, 05:07:09 AM »
Unfortunately nobody can answer my 21GB issue with CTM. The only person who answered my questions was Mouse1 and I found that now he has fine number of posts: 4333.

A transient moment of beauty.

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Offline mouse1

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Re: 21 GB disappeared after CTM uninstall
« Reply #20 on: August 23, 2012, 06:08:39 AM »
Thanks for the good press :)

I've asked if any other mod can help on the mods board. May take a day or two - we are all unpaid and do this in spare time!

Best wishes

Mouse

Offline panic

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Re: 21 GB disappeared after CTM uninstall
« Reply #21 on: August 23, 2012, 08:37:17 AM »
Unfortunately nobody can answer my 21GB issue with CTM. The only person who answered my questions was Mouse1 and I found that now he has fine number of posts: 4333.

A transient moment of beauty.

I'm reading and pondering your topic but I can't make sense of what has happened.

The following is just thinking out loud to make sure I'm not missing anything.

CTM writes its data into the unused sectors of the partition. Windows, to all extents and purposes does not know this data is written there as it is written by the CTM raw disk driver. When you look at the contents of a CTM protected partition, what is displayed is a mashup of what Windows wrote to the pre-CTM sector map and what CTM has written to the unused sectors on the partition.

For example;
STEP 1
If you had a 20GB NTFS HDD with 10GB of data on it you would have 10GB used and 10GB unused.

STEP 2
If you then you installed CTM and, after installing CTM, wrote 5GB of data, you would have 15GB used and 5GB unused. The orignal 10GB from step 1 is still in the same location and the 5GB copied after installing CTM is written to the unused part of the disk (the 10GB unused space from step 1). The CTM driver is what mashes the "real" files and the CTM files together to display a cohesive disk listing.

STEP 3
If you then removed the 20GB HDD and installed it as a secondary drive into a PC that did not have CTM installed on it, when you looked at the contents, it would display 10GB used and 10GB unused. The CTM data is still there, but because the CTM driver isn't available, there is no means of seeing the "missing" 5GB of data and the OS is reading the original file table (as per step 1).

STEP 4
With the CTM protected HDD installed back in the original system and rebooted, you would be back to having 15GB used and 5GB unused. If you uninstalled CTM (and in doing so reset the baseline to your latest snapshot) the 5GB of "CTM" data would be written to the real sectors and added to the real file table. You would then end up with 15GB used and 5 GB unused.

or

STEP 4A
With the CTM protected HDD installed back in the original system and rebooted, you would be back to having 15GB used and 5GB unused. If you uninstalled CTM (and in doing so reset the baseline to your original snapshot) the 5GB of "CTM" data would be deleted and you would be back to 10GB used and 10GB unused.

I would have expected your scenario to most closely mimic steps 4 or 4A.

Does everyone agree with my logic on how CTM is supposed to work?

If I'm correct, I just don't understand how you have lost space.

Cheers,
Ewen :-)
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Offline panic

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Re: 21 GB disappeared after CTM uninstall
« Reply #22 on: August 23, 2012, 08:39:32 AM »
Out of curiousity, what was the size when CTM was installed? 35GB?
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Offline panic

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Re: 21 GB disappeared after CTM uninstall
« Reply #23 on: August 23, 2012, 08:44:23 AM »
You said
Quote
7. I restored Clonezilla's image (there was CTM 2.8 and CIS 5.10) and just uninstalled CTM. Now CIS updates ok. BUT: I have C: disk of 50 GB capacity  and it had never been more then 18 GB full. But now it is about  35 GB full though the total size of all files here is 14 GB. 

Was your Clonezilla image a bit-for-bit full sector copy or was it a partition image?
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Offline Solarlynx

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Re: 21 GB disappeared after CTM uninstall
« Reply #24 on: August 23, 2012, 10:44:01 AM »
Out of curiousity, what was the size when CTM was installed? 35GB?
Free space was about 35-40 GB. Really, I don't remember. I remember that before Clonezilla I use this ducking Windows in-built system restore (Win7) and it almost doubled initial occupied size after restoration through image.


Was your Clonezilla image a bit-for-bit full sector copy or was it a partition image?
Partition image.

Hmm. Maybe format the system partition and again restore the Clonezilla's image?

Thanx for your attention.
« Last Edit: August 23, 2012, 10:45:38 AM by Solarlynx »

 

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