Lightroom Classic: Freeze if external hard drive is turned off

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This conversation has been merged. Please reference the main conversation: Lightroom Classic 7.3: Unresponsive after Eject SD Card/USB Drive

Due to number of photos I have to use 2 external and 1 internal hard drive.  While working in LR latest version 7.3, if I turn off one of the externals LR immediately freezes displaying the revolving blue circle.  I can move this cursor around and the computer otherwise is not frozen but LR is dead.  The only way to resume work is to use task manager to end task for LR and then restart LR.  It then works fine.  If I then turn the external on, all is well but once again, turning it off causes a freeze.  It is not a hard drive problem because the same thing happens with either of the two drives.  It seems worse recently so I tried roll back to version 7.2 and the same thing happens.  Can anybody offer any insight as to whether a Windows 10 issue, a computer hardware or software issue, or while unlikely, a hard drive issue?
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John Reed

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Posted 2 weeks ago

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Johan Elzenga, Champion

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I don't have an explanation for you, but why do you turn off a drive while Lightroom is running?
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John Reed

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I should be able to do this and used to be able to do this so that's the issue.  But to answer your question, simply to extend the life of the drive.  It only has two years of photos on it and no need to have it running when not needing to access those files.
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John Reed

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Appreciate your attempts to help and advice but the core issue of why this is happening now and did not happen before remains unanswered.  I hope someone can have a clue to that or if Adobe is monitoring, perhaps a bug fix is in order.
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Johan Elzenga, Champion

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Of course, and I said from the beginning that I could not solve this problem for you. This is the forum to report bugs, so you were right to report it here.

But it seemed to me that somebody needed to talk some sense as well. Somebody needed to tell you that using the Task Manager to force quit Lightroom is not the way to solve problems, not even temporarily until Adobe fixes this.
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John Reed

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scolding accepted :-)
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Steve Sprengel, Champion

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If there are NO photos in the current catalog residing on the drive you're turning off and (and of course the current catalog isn't on the drive) then it sounds like LR (or your system) has a problem, but if there are photos in LR's current catalog that reside on the external hard drive it should be left on. 

LR does things in the background with its photos, beyond the particular photo you're working on or the set of thumbnails on the screen.  It's possible with any new version of LR that LR scans all photos in its catalog, checking for something new, and updating its catalog with that new information.

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John Reed

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Point 1: I only use a single catalog.
Point 2: anything's possible I suppose even despite the fact that earlier updates did not cause this problem because with every change I'm sure there are numerous possibilities and no doubt the program gets more and more complicated.

thanks for your input
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Renato Richina

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Have the same problem
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Christian Fürst

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could it be that you have all those drives together included in ONE Catalogue? In that case it sounds logical to me for LR to shut down, since part of your images are suddenly not available anymore for LR to show and edit on them...
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John Reed

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Thanks for the thought and attempt to help.  Indeed, they are all in a single catalog and while that might seem to make sense, don't forget, in the past this did not happen with multiple drives in single catalog.  LR should still show the previews with the exclamation point since the previews are on the same drive as the catalog and not the drive where the photos reside.
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Johan Elzenga, Champion

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It could be that the 'freeze' is just temporarily. How long have you waited to see if the problem will fix itself? If you have that many images and a very large catalog, then Lightroom has to check a lot of image paths to see which images should get an exclamation mark. Maybe something has changed in the catalog structure and now it just needs more time then it used to be in a case like this.
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John Reed

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I would estimate that I've waited as long as couple hours at end of the day when I could afford to wait because work is done and it still never resolved.  But I cannot wait that long during a work day and so I'll consider your advice while hoping for Adobe input.  Problem is, waiting for Adobe may take quite a while?  Who knows.  I do optimize and back up catalog every time I shutdown LR so even if I corrupt it, at most I've lost a days work, or less if I've closed LR multiple times during a work day.  I know you think I'm nuts for not simply leaving the drive running, and I happily accept that but we all are a little crazy in some ways, no?
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Johan Elzenga, Champion

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OK, if you waited that long then that's not it.
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Johan Elzenga, Champion

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BTW, there seems to be a bug in the Lightroom catalog backup routine of Lightroom 7.3 for Windows. I know Adobe is working on a fix right now (so this should indeed not take long), but in the meantime make sure you do two things:

1: Don't use the Task Manager method just because you think you have a recent backup...
2: Use a general backup utility to make regular backups of your catalog as well, and do not rely only on the built-in catalog backup right now.
(Edited)
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John Reed

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thanks
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John Reed

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New news!!!  It must be either a computer or a Lightroom problem but I'm betting Lightroom.  Here's what's different just noticed.  Lightroom freezes any time ANY external hard drive is disconnected, not just the one holding photos in the catalog.  After downloading from a trip and using LR to rename all photos, I then backed up the download to an external drive.  This is a pure back-up and has NO connection to LR.  After the backup completed, shut the drive down because, duh, it's a back-up and NO reason to leave running.  Then returned to LR to begin editing the photos and voila, it's frozen tight.   Nothing but the old spinning blue wheel.  Adobe if you're listening, this is a giant pain and hope you can resolve it soon.
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Christian Fürst

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I still believe the whole issue is connected to the fact that all drives are included in ONE catalogue. And if you are backing up a catalogue (not the original pics) while LR is still active, in my case the backup would fail. backing up images, however, should not affect the running of LR.
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John Reed

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This backup drive is not in the catalog so I don't see how that relates to "all drives are included in ONE catalog" . All working drives are in one catalog.  The back up does not even show up in the LR folder structure because LR has never referenced or accessed this drive for any reason.  And since I am not backing up the catalog but rather the image files, we agree, this should not impact LR.
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Christian Fürst

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John, I agree. if your backup includes images only this should definitely not affect LR-software
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Renato Richina

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It has also freezed on my pc. And my external drive did not have any pictures of a lightroom catalog on it. Simply OS backups
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Alexander S. Kunz

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I experienced something similar in LR CCC 7.3 - the external hard drive doesn't contain any photos and is only used for backup. Power management sends the drive to sleep after a while and when that happens, LR freezes.

I never noticed this problem in version 7.2 before but I'm on Windows 7 64bit, not Windows 10.
(Edited)
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Isaac Singleton

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This reply was created from a merged topic originally titled Lightroom Classic 7.3 and 7.31 lockup when disconnecting USB drive.

Ever since upgrading to Lightroom Classic 7.3 and today 7.31 when running the application and I disconnect my device either via Windows EJECT or by just unplugging the device Lightroom will stop responding and have to be killed via the task manager.  This never was a problem in 7.2 and appears to be something introduced in the 7.3 and not fixed in 7.3.1.  I've tried reinstalling the app, running it as Administrator with no luck, any suggestions?  

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