XPost: aus.computers   
   From: not@telling.you.invalid   
      
   In aus.computers Axel  wrote:   
   > So the sad tale thus far. But first, some detail. This PC (specs below)   
   > has LM 22.2 installed on a 1Tb NVME. It also has two mobile racks for   
   > easy insertion and removal of HD's. The lower rack I use for the   
   > Timeshift disk, and the upper one for the files disk, a WD 1Tb   
   > mechanical disk formatted in Ext4. It also has two external USB cases   
   > for additional hard drives. Following a process of trial and error, I've   
   > discovered that the problem of file errors only occurs when I write to   
   > the files disk in the mobile rack. I can read/write both ways NVME to   
   > USB without errors, and read/write both ways USB to USB without errors.   
      
   Does any of that mean you tried the most obvious thing of   
   connecting the "files disk" without using the rack, in case the   
   drive is faulty?   
      
   > I can also read from the files disk to write to either USB without   
   > errors. So my trouble shooting has been focused on the mobile rack.  I   
   > replaced it, and also the cable, and swapped the cable to another   
   > motherboard (MB) SATA port. Since USB transfers work, and the USB boxes   
   > have their own power supply, I thought maybe it was a power issue within   
   > the PC. According to the newegg calculator   
   > [https://promotions.newegg.com/tools/power-supply-calculator/v2/ ] I   
   > need 600 -700 watts for this PC. The PS was only 550 watts so I swapped   
   > it out with a 750 watt PS. Having said all this, I can write to the   
   > Files disk if I transfer folders/files in small lots of up to about   
   > 10Gb, and today I tried an old 320 Gb NTFS HD in the rack, and I could   
   > write to it without limitation. ???   
      
   Sounds like you've just narrowed the issue down to the "files disk"   
   itself.   
      
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