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Backing up to a 3rd internal drive.

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I have a new PC with multiple M.2 SSD slots.  I'm thinking to create a True Image backup of the C: OS drive onto the 3rd internal drive E: Backup, and to create another True Image backup of the D: Data drive onto the 3rd Drive E: Backup. As these are all fast SSD's the backups should run in reasonable time, and considerably faster than to an external drive.

I will also have a concurrent Cloud Backup ongoing for the C: and D: drives, plus I will do a periodic backup (or just copy) of the E: Backup to an external USB SSD. A backup of a tibx file seems fraught with errors, so a copy.

The reason for 2 True Image backups, is that from experience when a single backup with large amounts of data is used it takes "forever" (days!) to create and to restore this, especially if going to an external USB SSD drive.  With a separate backup for the C drive, restoring this will be much faster, when needed.

Overkill, maybe, but will it work?  What is best approach, Full, Incremental, or Deferential for this approach?  How many of each? Will have to delete backups after perhaps 2 Fulls.

Thanks
Joel

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Joel, welcome to these public User Forums.

The principle for creating backups should be no different for when using internal or external drives.

One word of caution with regards to relying on internal drives is that there is a higher risk factor in doing so because these drives are permanently connected and would be easy targets if any virus, malware, ransomware is able to get a foothold on your system, plus also a risk of any physical attack, theft, fire etc.

The most efficient type of backup is to use an incremental backup scheme as this offers the option of better performance as balanced by the number of incrementals created in-between making new full backups.  With TIBX backups, incremental slices are integrated / consolidated within a single file with the initial full backup image which gives a lower risk of corruption than earlier TIB incremental schemes where individual files are created.

There are more rules associated with TIBX backups because these also use metadata linkages between backup version chains, where no changes / renaming files / moving files etc should be done.

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 2020-2021: new tibx backup format FAQ

KB 63425: Acronis True Image: Limitations of tibx backups

KB 63516: Acronis True Image 2020: Incremental backups do not create separate files when using new backup format

KB 63445: Acronis True Image 2020: how to view and manage backup versions in new backup format

KB 63444: Acronis True Image 2020 and 2021: tibx backups in local destinations

Joel, I do just such a backup. Every day I run an incremental backup from my C: drive and then my D: drive (both SSDs) to the G: hard drive. I run 6 increments so I get a new full once a week.

These backups are very fast and I don't even notice them. I also run nightly data backups to the NAS and weekly disk backups. But I only have the NAS on for a short time to run evening backups to keep it better protected. So I find that the backups to the internal drive are convenient if I need to do a quick restore of something.