• Asking Again here (New User and Fast change only backups)

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    #2770757

    I ask these same question on the terabyte forum, no answer yet for 2 weeks, so I thought I would ask here too.

    Hello, I am new to IFW (as in purchased last month (April)).

    I would like to know best methods when using /hash and /usemd for faster differential backups (use only /hash, only /usemd, or use both)?

    What about the backup option for /del (delete the hash files used to create the backup). Does it delete the hash files used because the deleted hash files will never be needed again (e.g. for future differential backups in the chain)?

    I did a test full backup with the options /hash and /usemd. Later I did a differential backup with the options /hash /del /usemd. After the Diff backup completed, I noticed it deleted all the hash files created by the full backup. Does this mean the next Diff backup will no longer have hash files to do a faster diff backup?

    Last question, when using the backup strategy of Full + Differentials, would the /hash /usemd only be needed on the full backup. I ask because the differential backups are always using the full’s TBI file as the base, so do you you need hash files from a previous diff backup?

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    • #2770825

      I ask because the differential backups are always using the full’s TBI file as the base

      Can’t comment on IFW as I use Acronis.

      I run daily incremental updates after a full image that create only the changes from current Windows state. Differential updates run vs full image and are very big files that can accumulate to hundreds of GBs each.

    • #2770856

      Although I’ve been using Terabyte’s imaging software for over two decades, I have never used differential backups. I use what I refer to as a Hardened Windows setup. I use multiple partitions in my installations of Windows, and seldom run a full system backup. I create images of my OS partition, Programs/Apps partition, and Users partition weekly.

      I use Robocopy to create multiple copies of my incremental changes daily to various other partitions, plus I have a Microsoft 365 subscription and use OneDrive. My files are available from multiple sources, so I don’t really need to do incremental/differential images, and thus have no experience with them at all.

      Always create a fresh drive image before making system changes/Windows updates; you may need to start over!
      We all have our own reasons for doing the things that we do with our systems; we don't need anyone's approval, and we don't all have to do the same things.
      We were all once "Average Users".

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