Problem "shrinking" a tibx file using "Cleaning up tibx backup versions manually"
I'm wondering if the following is a known issue:
If I select from the "recent" i.e. current backup, the dependant versions are not auto-selected.
If I select from the "older" groups then all versions are auto-selected and any version I de-select results in auto-de-selection of the entire group.
This means I am prevented from "shrinking" a tibx file.
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ATI cleanup 2020-03-14 083053.png | 46.5 KB |
ATI cleanup 2020-03-14 083306.png | 42.81 KB |


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Steve,thank you for your comment. I made the example screenshot "ATI cleanup 2020-03-14 083306.png" at the point when ALL versions are ticked for the chain 22/11/19-22/12/19.
- If I clear the "tick" next to ANY dependant version then ALL the "ticks" vanish. If I then click again on ANY dependant version, the check-boxes for ALL versions get ticked automatically, not just the remaining dependants, which means I am prevented from deleting just a part of a chain along with its dependants.
- This behaviour does not happen with the "Recent" chain at the top of the list, instead the version clicked gets a tick but none of the dependants get an automatic tick which, as you imply, should not be allowed.
- Ticking versions of backups which use the old tib format still behave as expected.
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Chris, thinking further about this issue, I believe that this is working as intended per the design for incremental .tibx files.
See the following KB documents published by Acronis with regards to .tibx files.
KB 63518: Acronis True Image 2020: do not delete first tibx file
KB 63227: Acronis True Image: Do not delete .TIB or .TIBX files outside of Acronis True Image
KB 63498: Acronis True Image 2020: new tibx backup format FAQ
KB 63425: Acronis True Image 2020: Limitations of tibx backups
KB 63445: Acronis True Image 2020: how to view and manage backup versions in new backup format
KB 63444: Acronis True Image 2020: tibx backups in local destinations
KB 63613: Acronis True Image: local backups are not available for recovery if "metadata" file appears in the backup destination - if you see metadata file(s).
KB 63516 is the most relevant document above as all incremental files are contained within a single file and cannot be separated once the chain is complete.
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Steve, thanks for putting so much effort into researching this. I guess I'll have to tweak my strategy so I don't end up with too many historical incremental versions which I can no longer "prune".
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