jasonhou Posted May 23, 2021 Share Posted May 23, 2021 I'm asking this question for a friend. He's on OS 10.15.5 with Logic 10.5.0. A project he's working on has 35 audio tracks, recorded at 24bit 48KHz without any plugin and the HD I/O meter reaches about 75% when he plays the session. Occasionally he gets the "Disk too slow" message. Changing I/O buffer doesn't help as the problem is not with the CPU. He run the session on an external SSD. Then he tried moving the session entirely to the internal Mac HD which is also SSD, and the high HD I/O remains. I've never had this problem with SSD and a typical session with 80+ tracks only reaches 5-10% of HD I/O. What could cause this high load on his drive? Quote Link to comment Share on other sites More sharing options...
Eriksimon Posted May 23, 2021 Share Posted May 23, 2021 The bandwidth of the connection. How is the drive connected, and how many other devices are connected that same bus? Quote Link to comment Share on other sites More sharing options...
jasonhou Posted May 24, 2021 Author Share Posted May 24, 2021 The bandwidth of the connection. How is the drive connected, and how many other devices are connected that same bus? The drive is connected with a USB 3.0 cable. It's strange that even moving the session with all the audio files to the internal HD also cause the same problem. Quote Link to comment Share on other sites More sharing options...
David Nahmani Posted May 24, 2021 Share Posted May 24, 2021 How big are the drives and how much space is left available on each? Quote Link to comment Share on other sites More sharing options...
jasonhou Posted May 26, 2021 Author Share Posted May 26, 2021 How big are the drives and how much space is left available on each? His external Samsung SSD is brand new 256GB. He only stored one session file of 35 audio tracks on that drive. Internal Macbook SSD is 500GB with about 200GB free space. Quote Link to comment Share on other sites More sharing options...
David Nahmani Posted May 26, 2021 Share Posted May 26, 2021 I would try to move the project to the other drive, see if that makes a difference. Quote Link to comment Share on other sites More sharing options...
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