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Drive "Rescan Speed" in Synchron Player
Last post Wed, May 20 2020 by RCMusic23, 4 replies.
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Posted on Wed, Jun 12 2019 13:13
by Jason T. Shannon
Joined on Mon, Feb 11 2013, Posts 32

I'm running a striped RAID configuration with a set of SSD's which contain my Synchron Libraries. I'm noticing that there is a large variance in test results when I run the "Rescan Speed" test in Settings>Database. The test results yield anywhere from 35MB/s to 150MB/s, which I find slightly odd. Is such a variance typical for an RAID/SSD or should I expect a more stable result? I'm running an 8192 preload size to avoid issues, which is fine, it just seems like I should be seeing a better result.

Additionally (a more in-depth question), does anyone have any experience or insight into the ideal stripe size for a RAID configuration (volume dedicated to sample libraries)? Will a smaller or larger stripe size play a role in performance, or is this not something that matters? 

Posted on Wed, May 20 2020 14:29
by Jason T. Shannon
Joined on Mon, Feb 11 2013, Posts 32


This is an old thread, but I just thought I'd follow up since the issue is solved. In my case, the slow "Rescan Speed" was caused by generally poor performance from an onboard Marvell SATA controller. I've done alot of testing on about 3 different motherboards, and found that I get much better performance with Intel SATA/RAID controllers. In many cases, I'm seeing better performance out of Intel SATA II controllers than Marvell SATA III controllers. So, the lesson here is to test your controller! They aren't all created equal and some of them are really poor performers that won't take advantage of your SSD. 

In the Synchron Player, this was leading to samples being cut short during performance because the SATA controller wasn't able to keep up with the demand. The samples were stored on a Pro Series Samsung SSD, but it didn't matter because the controller was awful! 

Posted on Wed, May 20 2020 15:17
by Paul
Joined on Sat, Aug 03 2002, Vienna, Posts 11931

Hi Jason, 

Thanks for sharing. And yes, it's always a mix of the components... Professional system builders know all the tricks and also all the best combinations!

Best, 
Paul

Paul Kopf
Product Manager - Vienna Symphonic Library
Posted on Wed, May 20 2020 16:59
by RCMusic23
Joined on Wed, Apr 30 2014, Posts 24

Hi Jason,

That's good to know, glad you shared that information as I am learning about computer builds having recently entered the world of building a PC as my VE Pro server computer.

Originally Posted by: Jason T. Shannon Go to Quoted Post


This is an old thread, but I just thought I'd follow up since the issue is solved. In my case, the slow "Rescan Speed" was caused by generally poor performance from an onboard Marvell SATA controller. I've done alot of testing on about 3 different motherboards, and found that I get much better performance with Intel SATA/RAID controllers. In many cases, I'm seeing better performance out of Intel SATA II controllers than Marvell SATA III controllers. So, the lesson here is to test your controller! They aren't all created equal and some of them are really poor performers that won't take advantage of your SSD. 

In the Synchron Player, this was leading to samples being cut short during performance because the SATA controller wasn't able to keep up with the demand. The samples were stored on a Pro Series Samsung SSD, but it didn't matter because the controller was awful! 

VE Pro Server:
i9-9900K
64GB RAM

Master:
i7-9750H
64GB RAM

VE Pro 7 / MIR Pro / Sibelius Ultimate / Cubase Pro 10.
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