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#16 | |||
US Navy, Retired
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Karma: 13806776
Join Date: Feb 2009
Location: North Carolina
Device: Icarus Illumina XL HD, Kindle PaperWhite SE 11th Gen
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Good luck with your work around. |
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#17 | |
Well trained by Cats
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Karma: 60358908
Join Date: Aug 2009
Location: The Central Coast of California
Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A
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Write behind (delayed) caching is another culprit. Antivirus scans can block a change. ![]() IMHO another problem with using 'the cloud' : Everything in my library has been scanned BEFORE it arrived. With the cloud, it seems possible to inject a contaminated copy if real time scanning has been excluded for structure integrity purposes . (like preventing your problem?) 4+ years running Calibre. Every book loss case has been identified to: ME ![]() |
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#18 | |
Fanatic
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Karma: 2661351
Join Date: Mar 2012
Device: None
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#19 | |
Fanatic
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Join Date: Mar 2012
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I don't sync my library anywhere, so it's not an issue with that. If Calibre can't handle the standard Windows caching methods, than that is a problem with Calibre. I don't think that's the case, though. An OS feature that's been standard for years shouldn't be able to cause book loss except with egregiously inflexible coding. There would be many, many more reports of this issue if that was the case, so I don't think it's related to caching. My workaround will at least keep books from being lost, so that's something. It's still incredibly frustrating. Hopefully I'll be able to reproduce it. Could it be related to multiple libraries? I do have several different Calibre libraries and move books between them fairly often using Calibre's standard move-book functionality. If swapping books around isn't something that Calibre can handle well that's at least an explanation that can be worked around. |
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#20 |
Well trained by Cats
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Karma: 60358908
Join Date: Aug 2009
Location: The Central Coast of California
Device: Kobo Libra2,Kobo Aura2v1, K4NT(Fixed: New Bat.), Galaxy Tab A
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Calibre does a set of transactions: folder(s) DB, cover, format(s)
Anything that seriously impacts their creation is the fault of that system as a normal Windows has no problem. Millions of Users vs Your install. ![]() |
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#21 |
null operator (he/him)
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Karma: 29711016
Join Date: Mar 2012
Location: Sydney Australia
Device: none
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Rbneader - If you have a book open in a 3rd party program when you move books between libraries things can go awry. Some 3rd party programs (eg Microsoft's Word and Trackers Xchange) will lock the files they have open and calibre will pop an error when you try to do the move, but many programs don't lock the files they have open and then...
BR |
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#22 | |
Fanatic
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#23 | |
null operator (he/him)
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Location: Sydney Australia
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![]() Do you have any gadgets/widgets/belles [sic] or whistles that might interfere with that process - I can't imagine what, but... BR |
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#24 |
Handy Elephant
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Join Date: Dec 2009
Location: Southern Sweden, far out in the quiet woods
Device: Samsung Galaxy Tab S8 Ultra
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Calibre is very careful when moving files.
Copy first, then delete. If there was any problems with the copy, that would crash calibre or generate an error, before the delete. So I still say that it isn't calibre that caused your problems. If it was thousands would have reported problems a long time ago and it would have been fixed. It is also unlikely to be a hardware error, since you seem to be able to use your computer and the harddrives. Unfortunately that only(?) leaves user error. That you yourself somehow inadvertently deleted the books. At times like that it is good to have recent backups. I don't trust myself or hardware, so I let my computer automatically backup my calibre library (and other stuff I don't want to loose) every hour to an extra harddrive on my computer, and daily to a NAS with redundancy. And to external USB hard drives now and then. And I have most of my library on my reading device. But I do trust calibre to not delete any books, unless I tell it to. |
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#25 |
null operator (he/him)
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Join Date: Mar 2012
Location: Sydney Australia
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@Rbneader - I just noticed that you started this thread back in July last year, I'm not sure if the problems you raised then were resolved. Following my post of 07-27-2013, 08:36 AM the thread was quiet until your post of 02-14-2014, 08:41 PM
I'm intrigued as to what happened in the intervening 6 months - was calibre working OK or did you stop using it or... whatever. Around October last year there was an issue regarding temporary folders being created and not being removed when deleting (moving ?) books and formats. I can't recall precise details nor whether this created actual problems or if it was just a nuisance issue. And IIRC around August there was an issue about the truncation of file names being altered that caused some consternation, again I can't recall details or the ramifications. So I'm wondering if your current problems are a continuation of the problems you were having in July, or whether they might be related to those couple of issues that occurred in Aug & Oct. And I'm hoping people with better memories than mine can throw in there 2 cents worth. BR Last edited by BetterRed; 02-17-2014 at 09:05 PM. |
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#26 |
Ex-Helpdesk Junkie
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Join Date: Nov 2012
Location: The Beaten Path, USA, Roundworld, This Side of Infinity
Device: Kindle Touch fw5.3.7 (Wifi only)
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The temporary folders issue (when deleting a book) only happened on unusual filesystem mounts, like when I reported this using a school computer. It is a fat client running LTSP, so the filesystem is I believe mounted from the server computer. And it only kicked in after the book gets deleted, which if I understand correctly should be after the copy was made. Something to do with the new database backend having a new method of sending files to the trash.
The filename truncation was an issue involving a lack of proper support for long filenames (a Windows problem) and it meant that people expected to find their books under the usual {author}\{title} - {author}.{format} location, but didn't, since the unusually long field was given to the filesystem in shortened form. calibre kept perfect track of it, it just didn't play nice with people "looking under calibre's skirt" due to a Windows limitation. As far as I am aware, neither should cause any problems with the books disappearing. |
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#27 | ||
null operator (he/him)
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Location: Sydney Australia
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Both problems were repeatable but neither caused any loss of data or library corruption - Check Library saw them as extra author folders - but I first noticed them in my backup logs. Both problems were fixed Quote:
I can't recall them leading to disappearing books either - but there's a first time for everything. I don't have any formal reconciliation audit controls on my libraries so a 'book' or three could easily disappear from the two larger ones without me noticing. BR |
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#28 | ||||
Ex-Helpdesk Junkie
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Join Date: Nov 2012
Location: The Beaten Path, USA, Roundworld, This Side of Infinity
Device: Kindle Touch fw5.3.7 (Wifi only)
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![]() And I got them in the parent directory to my library folder (in "Calibre Libraries") -- also no loss of data, just a pain in the neck to clean up after. Either way, it shouldn't cause errors until after the book was copied, so... Quote:
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