On 2017-07-22 17:35, Jan Ritzerfeld wrote:
Am Samstag, 22. Juli 2017, 15:18:50 CEST schrieb Carlos E. R.:
[...] Running the surface test of the SMART test makes access to the disk by the applications to stall. It could be possible that the OS decides to abort the test, but I have never heard of such a "feature". [...]
Some power-saving option of the OS might put the drive or the USB interface to sleep if there is no activity for some period of time. And a running smart test is not visible for the OS.
Ahhhh...!
The real fun begins if you want to securely erase a USB disk via ATA Secure Erase: | [...] some "intelligent" interfaces such as USB or firewire to PATA/SATA | bridges, SAS controllers or hardware RAID controllers may try to reset | devices which they have decided are no longer responding. [...] https://ata.wiki.kernel.org/index.php/ATA_Secure_Erase
:-) -- Cheers / Saludos, Carlos E. R. (from 42.2 x86_64 "Malachite" at Telcontar)