I *have to* use Always Incremental (single-file) with a manual (unscheduled) backup?
Is there a way of having "Always Incremental (multi-file)"?
I have a particular partition containing nearly 8 TB of data (on an 8TB drive)
With 11.7 it backed this up to multiple 4GB files. Incrementals would add one or more new files to the existing set, With 12.5 it seems to want to back the whole lot into a single ~8TB file (even if I select version 11 backup format). Then add incrementals INTO that file.
This presents a problem or two. 1) I like to copy the latest incremental backup files to a 2nd machine to verify there (manually - in my own time , not using a replication function) and having to copy a huge single file every time rather than the just the latest ones is not a goer.
2) I'm not even sure that the "single-file" method is doable since the backup location (and the copy target) are spanned partitions with DrivePool - where the individual disks are separate entities, each less than 8TB and subject to whatever maximum file size can fit on that particular drive. It's fine for holding multiple 4GB files I really doubt it will handle a single 8TB+ file.
So.... How can I go back to something like the "old" method of backup files split into smaller chunks *but* allowing me to not have to define a backup schedule, and kick off manually?
I'm probably missing a trick, and if so please humour me....
Thanks

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Thanks for the reply. Isn't your solution based on having a *scheduled* backup? I was aware you had these options if you scheduled the backups, but the only option if you set scheduling to No seemed to be "Always Incremental (single) file)".
Anyway I did what you say and then turned scheduling off and set off a backup. Sure enough, it's saving off 4GB files as I type.
Not sure if subsequent backups will be incremental or not. We'll see.
Anyway thanks for the help. Seems a very roundabout way of achieving what seems an obvious backup scheme.
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