Thanks. Please note that I wasn't using the drive for the entire hour but I did make a point to replicate the Finder slowness issue during the test. ...

Attached is the requested AJA System Test file.

Attached is the iostat text file. The sections with no load at the beginning and near the end of the file are where the disk verification wasn't runni...

Should I use the drive as normal during the verification or just let it run without disturbing the drive?

Correct. I've also noticed that it affects the Finder outside of the Open/Save dialog but not quite as much as when using Open/Save. The support file ...

I don't have any company anti-malware software installed. Memory pressure is very low. I don't see anything using a lot of CPU under normal circumstan...

I'm using Amphetamine to keep the drive awake every 10 seconds so I don't think that drive is spinning down and back up again that fast. Even with Amp...

I spoke too soon Today it's back to being slow again when accessing the drive through the Open/Save dialogue. It's so frustrating. No other external d...

Activity Monitor had been showing some initial CPU spikes as high as 190% when first trying to access my Thunderbay 4. Although I had said that disa...

Regarding indexing, when I exclude drives from indexing, they are removed after reboots so indexing is re-enabled. I haven't found a way to keep them ...

Yes, I deleted the Spotlight index but this made no difference. I did notice that if I boot into Safe Mode on my M1 Mac Studio Max, the issue "appears...

I did check Activity Monitor. Memory pressure looks normal (low) and there aren't any apps using excessive smounts of memory. The issue only happens o...

When I clear the I/O counters and errors, the RAID still shows "degraded - failed" and the individual disks still show "data and parity disk - failed"...

When not using the volume, I don't see any disk activity lights except for every 10 seconds when Amphetamine is keeping the drives awake. I'm using th...

Yes, I'll try deleting at least 500 GB or more of older files the first chance I get then I'll rebuild the directory using DiskWarrior. I've read in...