Quote:
Originally Posted by davidfor
You sound surprised and I don't know why. My tests says that if I read a CBZ, connect to a PC and do something to update the database, I will probably have a corrupt database. It doesn't matter how I do that, just that I do.
I don't have an Elipsa. From memory, I did it with my Clara HD, Aura ONE and Glo.
And while I didn't test, I don't think this is just a 4.28.x issue. I am told the problem has been in the firmware for a long time. Possibly from the start. That suggests it is would have happened with any firmware. And it might explain some seemingly random problems people have complained about.
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I wasn't surprised. I just found it fascinating that thought to do it.
Since I didn't know that the CBZ files were at fault, I never directly tried to test other apps beyond Calibre to trigger a database corruption as you did.
I know I've never experienced a corrupt database with my Clara, and I've read CBZ files on it. I only encountered this issue with Elipsa. This indicates to me that the problem was introduced later. I eventually stopped bothering to read comics on my Clara–too small! So it had been an indeterminate but long period of time between when I stopped loading CBZ on my Clara (with no database corruption) and when I bought the Elipsa and immediately ran into issues. As I was reading comics on my Clara and side loading more using Calibre, I should have run into the database corruption issue. But I didn't. My Elipsa, OTOH, just had to be in the vicinity of my Mac to suddenly become corrupt, or at least that's what it felt like.
Earlier I mentioned that I would restore the Elipsa from backup after a corruption event and encounter markup files loaded as books, both the screen shots and the vector files. That happened again the other day. I have a theory about what might be happening.
Markups on sideloaded books are not restored after a factory reset, which is disappointing but similar to how annotations are treated for sideloaded books. Is it possible that the remnants of unrestored markups get treated as books instead? Unfortunately, I did not think to examine the markups to see which books they came from (downloaded vs sideloaded). My attempt to restore the Elipsa with a backup doesn't work because of this issue.