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SSD showing WORSE performance than HDD

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prodigalson

Senior Member
Has anyone every experience this?

My system is a 2013 iMac i5 running Logic 10.4.4 with a PC slave via VEP. Virtually all my orhcestral samples are on the slave but up until recently I had a certain amount loaded into my main machine on a 4 tb 7200rpm HDD. For a long time I've been wanting to move those samples to an SSD but didn't have the storage.

I bought a 4 tb Micron SSD and have moved all the samples from the HDD to this expecting a noticeable improvement in performance. However, now, sessions that ran easily even with much of the samples streaming from the 7200rpm HDD are choking immediately with the samples streaming from SSD. How could this be?

Could it be the dock? the SSDs are housed on a startech enclosure via USB 3.0

Any thoughts or prior experience with this?? It's driving me insane as I moved 4 TB of samples to an SSD and now my sessions choke with no other alterations.
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Some USB3 enclosures are falsely advertised since they don’t have the right chipset. That said, proper USB external enclosures can be had on amazon for under $10 so it is not based on how much you spend. Could also be the cable...

I personally had an issue with random sample libraries performing abysmally on my SSDs. Some worked wonderfully while others did not. It took me a while to discover that re-copying over the libraries solved the problem. Still don’t know why or how the issue came up, but I assume it has to be from an indexing bug or issue with an OS upgrade (even though I attempted to delete and reindex the drives). For me I noticed the problem initially after upgrading to High Sierra.
 
It could also be a bad usb port on your machine. Try plugging the drive into a different one...
 
Ah intresting. thanks for the responses guys. I have my drives formatted ExFat because I wanted to be able to swap them into my PC slave if necessary but you think that is slowing down performance on my mac? I should reformat to Mac OS Extended?
 
prodigalson said:
Ah intresting. thanks for the responses guys. I have my drives formatted ExFat because I wanted to be able to swap them into my PC slave if necessary but you think that is slowing down performance on my mac? I should reformat to Mac OS Extended?
Click to expand...
ExFat can definitely cause very slow performance on a Mac. Reformat and you'll be fine.
 
Bear Market said:
Yes, and in my case I had forgotten to reformat the SSD to the correct file system (which was "Mac OS Extended" for me). Seeing as you're also on a Mac, have you checked this?
Click to expand...

I had exactly this experience also. Reformatted, copied the libs back and all was well.
 
Controller!
I have SATA USB enclosures with faster read/write than my Thunderbolt enclosure on my Mac, but slower on the PC.
 
My enclosure is Startech SATA USB 3.0 dual docking station with UASP so I’m assuming it’s not the dock right now

Reformatted the drives to Mac OS Ex Journaled and in the process of copying samples over. Hopefully this will do the trick but will report back!
 
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