Hard Disk Monitoring

OK I think I've figured it out. The drive(s) giving problems were system disks from another system. So it was a secondary disk not a system disk while being tested, it did have OEM and EFI system partitions. Removing these partitions allowed the surface scan to proceed normally. Apparently Windows d...

Thanks for this reply. I sent a "Test Report to Developer".
The disk being tested is attached via SATA. The system disk is NVMe on M.2 to PCIe adapter. There is a RAID 5 array on other SATA ports and four drives in a Windows Storage Space also SATA.

I have replaced the Marvell driver and all my SSDs now show TRIM working. I was trying the Read+WRITE+Read test on a non-system drive. I have found the same problem with this test with any drive attached to the system. I am not sure what you mean by un-mounting the drive - I tried putting the drive ...

I have a Kingston 120GB SSD that seems to be in good condition. Performance is 80% and Health 97% (it's running off a Marvell 91xx controller so no TRIM). A READ Surface Test passes perfectly. However when I choose a read+WRITE+read test, I get an Error: 21 the device is not ready on every sector. A...