Subj : Backups
To   : Arelor
From : Spectre
Date : Thu Apr 21 2022 23:43:00

 Ar> I have not had backup corruption because I check the consistency of the
 Ar> backup data every now and then.

Back in them there long gone days, I had a 40Mb colorado tape drive. One of
those floppy interface jobs, slow as two wet weeks and limited in capacity.
In these pre internet days I had a set of software I received with the system
it was in when I acquired it and that was it.

One of the drawbacks was that even allowing for backup, there was no space in
which to restore a complete backup so you could never really test it.  Turns
out I never had a problem so long as each drive I had fitted on one tape. But
once I had larger and more drives, it required backups spanning more than one
tape.

Said software supported this, but it turned out any spanning backup was
actually useless.  They were not restorable.  I was somewhat surprised when I
learned of this, but was lucky in that the monolithic data in those backups
wasn't something I'd needed to restore as opposed to the BBS system drive.
Which always fitted into 1 40Mb drive.

Spec


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