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Question: Icon preview are slow to display

Hi everyone,


I've got an iMac, with fusion drive. I have split them in two, running macOS and apps from the SSD. My dokuments/photos and other files on the HDD.


The last couple of weeks, when I have a Finder window, or a save/open dialog open, the icons are very slow to preview. 3-4 seconds. I've tried verifying diskpermissions, with nu luck.


Any ideas?


Best regards

Søren V.

<Personal Information Edited by Host>

iMac (Retina 4K, 21.5-inch, Late 2015), macOS High Sierra (10.13.3)

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Mar 12, 2018 12:24 PM in response to dialabrain In response to dialabrain

That's not true. An SSD and a HDD (probably from Samsung) were both made a long time before Apple decided to join the two in a Fusion drive. If you haven't any input regarding #0, please don't comment. If you want to discuss the technology behind a Fusion drive, please do it elsewere.


Best regards

Søren

Mar 12, 2018 12:24 PM

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Mar 12, 2018 1:00 PM in response to majortom1967 In response to majortom1967

I recognise that I live life dangerously, by splitting my Fusiondrive in two. To push the limits even further, I found a manual/free of charge method, that solved my problem.


I'll start by making it clear, that this is not recommended. But it solved my problem. Here goes :

http://osxdaily.com/2017/04/18/clean-caches-temporary-files-mac/

Mar 12, 2018 1:00 PM

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Mar 12, 2018 1:11 PM in response to svedel In response to svedel

Yes, you can also do it manually. I don't agree that a cache cleaning is not so useful as stated. It doesn't change your machine, of course, but when a machine configuration is changed some cache files may not "match" the new config creating trouble. As an Apple technichan I perform such a task everytime the hardware or sw config changes (like minor or major OS updates). Especially i do perform it also BEFORE major OS updates and i NEVER had updates' problems (my High Sierra was a Yosemite in the beginning on the Mini). Check

Mar 12, 2018 1:11 PM

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Mar 12, 2018 1:19 PM in response to majortom1967 In response to majortom1967

majortom1967 wrote:


I don't believe the problem is in splitting the Fusion HD. Just try deleting completely and deeply all caches with Sierra Cache Cleaner. It often repairs strange problems.

You're free to suggest whatever app you like but as a rule "cleaning and anti-virus programs" are frowned upon for Macs on ASC. Sierra Cache Cleaner is both.

Mar 12, 2018 1:19 PM

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Mar 12, 2018 1:27 PM in response to dialabrain In response to dialabrain

I don't mind about generic cleaning and never talked about antiviruruses. I'm maintaining mire than 110 Macs between friend and costumers and cache cleaning solved and (maybe) prevented lots and lots and lots of strange problems and never had a single problem. I'm not saying this is the solution for our mate but I believe it's harmless and worth a try (sorry for my English, ).

Mar 12, 2018 1:27 PM

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Mar 12, 2018 1:32 PM in response to majortom1967 In response to majortom1967

majortom1967 wrote:


I don't mind about generic cleaning and never talked about antiviruruses.

No but from Northern Softworks site…

Sierra Cache Cleaner helps protect your system from malware. SCC adds three additional layers of malware protection to Sierra, and ships with the powerful ClamAV antivirus built in. SCC can scan your downloads on the fly providing industrial strength virus protection from Mac and Windows threats.

http://www.northernsoftworks.com/sierracachecleaner.html

Mar 12, 2018 1:32 PM

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Question: Icon preview are slow to display