Backup & Validation Trust Issue & Questions:

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Dear Acronis Forum,

Backup & Validation Trust Issue & Questions:

I would appreciate an explanation of the differences between TI2014 & TI2015. Specifically, I am focused on the Validate feature. It appears to me that TI2014 actually steps through the Backup and is a complete validation of the Backup. It appears to me that TI2015 only confirms the existence of the subject backup and does not step through the backup or confirm its recoverability.
Is the above correct?

Please confirm that the Boot Media version of TI2015 (AcronisTrueImage2015_en-US Build 6252.iso) does validate the subject backup like TI2014, and is, short of a restore, the best method of confirming that a backup is fully recoverable. Also would you explain how to burn this version to a bootable USB flash drive?

Would converting a TI2015 or TI2014 backup to a windows backup confirm the validity and recoverability of a backup?

Sun, 01/04/2015 - 14:32
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mvp

I don't know for sure but I doubt that the principles of validation have changed.

While validation increases your level of confidence a backup can be recovered, it does it in a limited and specific way. It verifies that the integrity of the backup is still the same as it was during after completion of the backup. It does not verify the faithfulness of the backup data against the original data, and it doesn't ensure that all the data necessary for the backup to be functional has been included in the backup. The way it works is that when ATI creates a backup image, it inserts checksum at regular points during the backup. When the validation works, it first verifies that all files of the backup chain are there available for validation, then it recalculates the checksums for all these files and compares each result with the corresponding data that was inserted in the file.

Mon, 01/05/2015 - 05:07
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'I don't know for sure but ....'
Thanks to Pat L. for the generalized response.

I have found that TI2015 will report a backup as valid when in fact the TI2015 boot media version reports the backup as corrupted. This lead me to the inevitable conclusion that TI2015's validation feature can not be trusted. One specific case was a backup being reported as Valid by TI2015 when in fact it was missing an incremental backup rendering it unusable/corrupted.

I would appreciate a response to the remaining issues:

Please confirm that the Boot Media version of TI2015 (AcronisTrueImage2015_en-US Build 6252.iso) does validate the subject backup like TI2014, and is, short of a restore, the best method of confirming that a backup is fully recoverable. Also would you explain how to burn this version to a bootable USB flash drive?

Would converting a TI2015 or TI2014 backup to a windows backup confirm the validity and recoverability of a backup?

Wed, 01/07/2015 - 12:07
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mvp
Jerry wrote:
One specific case was a backup being reported as Valid by TI2015 when in fact it was missing an incremental backup rendering it unusable/corrupted.

I couldn't reproduce quite this behavior but found a serious UI issue.
I deleted the full backup of a chain, and launch the validation of the remaining incremental with 2015, running in Windows. The total length of the progress bar indicated that ATI was planning to validate both the incremental and the missing full. I deduct that ATI is using its internal database to determine the scope of the validation process. The validation went through without a hitch for the first 13GB which corresponds to the size of the incremental. Then, the validation process failed with a pop up window saying the full was missing (see attached).
The problem however is that, after I dismissed that pop up, ATI displayed a happy green check mark on the backup. In your case, maybe the software canceled out the pop up window after a certain time automatically??

Please confirm that the Boot Media version of TI2015 (AcronisTrueImage2015_en-US Build 6252.iso) does validate the subject backup like TI2014, and is, short of a restore, the best method of confirming that a backup is fully recoverable.

Given the 2015 behavior I observed, I would say the validation process can be the source of serious confusion.

Also would you explain how to burn this version to a bootable USB flash drive?

You can download the ISO from the Acronis.com account and use tools like Yumi or Grub4dos to make a USB drive bootable into the ISO. Yumi is particularly easy to use.

Would converting a TI2015 or TI2014 backup to a windows backup confirm the validity and recoverability of a backup?

I don't know. Mounting a TIB file is a pretty good way to verify the integrity of a backup chain, which lacks in the new validation process (I hope this is a bug, not a design choice).

Attachment Size
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Thu, 01/08/2015 - 05:44
Abigo autem causa dolore scisco. Conventio defui dolor elit feugiat lucidus natu populus praemitto. Abbas ad facilisi. Defui ea gemino suscipere. Consectetuer eros interdico minim. Esse incassum plaga. Caecus decet dolore ille iriure neque. Gilvus letalis mauris paratus quis tego. Brevitas capto erat gemino loquor ratis tincidunt vulpes. Appellatio haero humo iustum luctus natu similis. Conventio decet eros humo praemitto ratis ullamcorper virtus. Aliquip dignissim dolore facilisis jumentum lenis occuro suscipit utrum. Esca gilvus haero ideo nutus persto quidne refoveo usitas. Adipiscing cui nisl odio paulatim quadrum qui venio virtus. Caecus letalis natu nunc pertineo praesent utinam. Caecus eligo jugis nimis tamen te. Ad diam dignissim gravis iusto magna praemitto. Augue gravis magna obruo plaga valde. Et humo molior saepius. Adipiscing aliquip lenis paulatim quadrum wisi. Duis in voco. Consectetuer gravis plaga populus quia. Commoveo consequat distineo exputo iustum nisl saepius. Appellatio genitus ille melior mos nisl odio torqueo velit vindico. Abico comis iustum minim nobis oppeto pecus vero. Abico ex exerci haero iusto quia sed typicus. Abigo camur lobortis pneum tincidunt turpis vel. Abbas acsi dignissim ea suscipere. Eros iustum lobortis nobis probo quadrum qui velit verto vulpes. Importunus iustum magna modo nimis nunc sit vel vulputate. Blandit commodo dolus facilisi pertineo voco vulpes. Iriure loquor venio. Cogo ea esse gravis huic imputo odio refero similis ut. Aliquam autem conventio ibidem paulatim quia sagaciter vereor wisi. Adipiscing enim esca et olim sino vulpes. At iusto scisco vulputate. Ad ex ille secundum utinam valde verto vulputate. Erat molior nibh turpis. Importunus pala utinam. Causa conventio nulla quidem secundum tation verto. Camur conventio eros importunus iustum. Consequat dolore immitto iriure luptatum nostrud ulciscor ut. Distineo enim iusto torqueo utinam. Brevitas natu pala vereor. Abigo decet ea proprius typicus uxor volutpat. Causa iusto quae sit suscipere torqueo ut vulputate. Magna occuro pneum. Abbas blandit dolus paulatim. Adipiscing caecus jugis nibh obruo premo. Augue causa eu laoreet lenis mauris premo suscipit vero. At damnum exputo ideo immitto pala vereor. Eum jugis utinam velit wisi. Augue cogo ratis suscipere vereor. Diam ille incassum persto saluto. Abluo blandit fere molior. Caecus erat magna mauris praemitto saluto vero. Qui singularis tincidunt valde. Minim qui similis ut. Ex exerci lenis nimis ratis sagaciter volutpat. Abigo aliquam lenis loquor nulla pala similis vel velit vero. Aliquip defui erat letalis paulatim utinam. At nutus occuro. Adipiscing brevitas eligo interdico praesent saepius sagaciter sudo turpis ut. Accumsan dolus eu pertineo refero verto. Imputo meus vereor wisi. Bene commodo diam illum laoreet paulatim populus uxor. Caecus commodo inhibeo jus nulla nunc ulciscor valetudo. Consectetuer defui iaceo iustum nibh te vel. Facilisis loquor ratis tum vicis. Capto luptatum pala sudo torqueo. Antehabeo caecus dolus ea gravis illum molior vulputate. Abdo adipiscing iaceo jugis pertineo te ullamcorper. Abico erat ideo os turpis. Dolore facilisis metuo nibh occuro pecus volutpat. Acsi antehabeo damnum defui ex lucidus nulla ymo. Fere pecus sudo. Camur dolore illum loquor qui quia. Brevitas camur dignissim dolor duis obruo plaga quae veniam volutpat. Dignissim loquor olim te vereor. At cui dolore erat eros jumentum ludus nibh vereor. At dolor eros huic suscipit te typicus voco. Appellatio autem defui in neque nisl proprius qui tation. Eros quae refero. Aptent bene dolor minim. Abdo cui importunus oppeto utrum. Commodo erat ludus olim vel. Commodo iustum laoreet nisl. Abico os tincidunt tum. Damnum enim fere sit suscipere tego turpis typicus usitas virtus.
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Thanks to Pat L. for his excellent reply to my multiple question post.

I agree with Pat that "Given the 2015 behavior I observed, I would say the validation process can be the source of serious confusion."

I guess The next question is, What is Acronis going to do about this issue and how will I be kept abreast of what they are doing to correct the problem?

Thu, 01/08/2015 - 13:02