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#1 |
Junior Member
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Join Date: May 2010
Device: Kindle, iPAD
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Calibre Error Message - Now I have NO BOOKS
I got two error messages as I was cleaning up Author(s) info. in Calibre.
So I closed Calibre - opened it up again expecting things to have cleared up - and suddenly I have ZERO BOOKS in Calibre. (My "Calibre Library" file with over 4,000 books appears to be okay. I copied it elsewhere to keep it from being damaged while I try to fix things.) What do these error messages mean? Did I do something to cause the problem? ERROR MESSAGE 1 calibre, version 0.8.9 ERROR: Unhandled exception: <b>DatabaseException</b>:disk I/O error RemoteTraceback (most recent call last): File "site-packages/calibre/library/sqlite.py", line 268, in run OperationalError: disk I/O error Traceback (most recent call last): File "site-packages/calibre/gui2/library/models.py", line 889, in setData File "site-packages/calibre/library/database2.py", line 1929, in set File "site-packages/calibre/library/database2.py", line 2189, in set_authors File "site-packages/calibre/library/database2.py", line 2133, in _set_authors File "site-packages/calibre/library/sqlite.py", line 308, in run DatabaseException: disk I/O error RemoteTraceback (most recent call last): File "site-packages/calibre/library/sqlite.py", line 268, in run OperationalError: disk I/O error ------------------- ERROR MESSAGE 2 calibre, version 0.8.9 ERROR: Unhandled exception: <b>DatabaseException</b>:disk I/O error RemoteTraceback (most recent call last): File "site-packages/calibre/library/sqlite.py", line 268, in run OperationalError: disk I/O error Traceback (most recent call last): File "site-packages/calibre/gui2/ui.py", line 692, in closeEvent File "site-packages/calibre/gui2/ui.py", line 602, in write_settings File "site-packages/calibre/gui2/init.py", line 278, in save_layout_state File "site-packages/calibre/gui2/library/views.py", line 331, in save_state File "site-packages/calibre/gui2/library/views.py", line 325, in write_state File "site-packages/calibre/library/prefs.py", line 58, in set File "site-packages/calibre/library/prefs.py", line 53, in __setitem__ File "site-packages/calibre/library/sqlite.py", line 308, in run DatabaseException: disk I/O error RemoteTraceback (most recent call last): File "site-packages/calibre/library/sqlite.py", line 268, in run OperationalError: disk I/O error ----------------------- Can you tell me what happened, and how to keep it from happening again? Can I just download Calibre again and tell it to use the same "Calibre Library" - or do you think the Library itself is damaged? |
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#2 |
Wizard
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Join Date: Nov 2008
Device: Sony PRS-950, iphone/ipad (Marvin/iBooks/QuickReader)
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That message is telling you that there is a problem with accessing your the Calibre metadata.db file on the hard disk! It could be genuine hardware level error, or the Calibre metadata.db file could have been corrupted in some way.
What OS are you using? The first thing you should run is whatever utility the OS provides for checking the hard disk, and take whatever action is required to remedy the issue if there is an underlying hardware of filing system fault. This would fix most problems with a hard disk and rectify any file system level errors. If the Calibre metadata.db database file is damaged then you will then either need to restore it from a backup, or use the calibre facility for restoring it by rebuilding it from the files in your Calibre library. |
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#3 |
Well trained by Cats
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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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Was there something that may have caused this?
Mains failure? Computer lockup? BSOD? Are other programs now having issues Windows Event viewer (administrative tools): System section: Anything RED should be reviewed. Any RED message that mentions Disk drive should get a second opinion. Warning: Do NOT defrag a failing Hard Drive. That's like asking a cardiac patient to run up hill ![]() |
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#4 | |
Grand Sorcerer
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Join Date: Nov 2007
Location: Toronto
Device: Libra H2O, Libra Colour
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Quote:
We found the problem was that he had faulty memory; the defrag read all files into RAM and wrote them back out. Any of the contents of the files read into the faulty error of RAM were now corrupt. |
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#5 | |
Well trained by Cats
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Karma: 58000000
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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Quote:
![]() Yes, Defrag is also RAM and I/O intensive. Had a pair of 1/2 height 40M Seagate MFM drives that started having sector errors. Every few days another few sectors would come up bad. 2 drives from different lots, at the same time ![]() Borrowed a PSU for a AT (286) clone. Drives came up clean. 1 @ $100 PSU was a whole lot cheaper than those $450 40M Segates. |
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#6 |
Grand Sorcerer
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Join Date: Nov 2007
Location: Toronto
Device: Libra H2O, Libra Colour
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I remember those MFM drives... I even bought an MFM Adaptec controller to get some extra storage on them
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#7 |
Addict
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Join Date: Aug 2009
Location: UK
Device: PRS-505,DSlibris,nook Glow & HD+,Tab S2,Moon+,Clara,Clara Colour
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That sounds like the old Seagate ST-251. They made a weird DOINK noise on startup.
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#8 | |
Well trained by Cats
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Karma: 58000000
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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Quote:
I had the hot setup. 10MHz 0 Wait state 286 with a 2M Intel Above Board and 2 HD. Smoking fast Paradox (DOS) Database machine. The data crunch: Seconds. The print job: hours (Epson MX80 with Dots Perfect+) |
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#9 |
Junior Member
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Join Date: May 2010
Device: Kindle, iPAD
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Thanks, ITIMPI. I'm using MAC OSX version 10.6.8. Don't know about utilities on the MAC ... spent many years with PC, but this is first problem with MAC. Guess I'd better find out. I found the metadata.db file in my Calibre Library ... but when I click on it, My an iPHOTO update program starts up! How can I get a "clean" metadata.db file to replace it? (I'd like to cram iPHOTO ver. 11 in a dark hole ... it's become a nightmare to tag my 24,000+ photos, and it's impossible to convert back to the previous version. But that's another problem for another day.)
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#10 | |
Well trained by Cats
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Karma: 58000000
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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Quote:
If it is so damaged it can't be run, You need to delete (back it up somewhere else) and "Rebuild" using The Library Maintenance" tool. |
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#11 |
Junior Member
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Join Date: May 2010
Device: Kindle, iPAD
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Thanks ducks ... I went back a couple of days in TimeMachine to a good backup & restored my Library. Re-downloaded Calibre ... and it all works again! Thank God for regular backups!
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Tags |
error message, library |
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