On 08/01/17 22:40, Arno Wagner wrote: > while I am really not an expert on ATA commands, this > looks like a dying disk, a dying disk controller or > bad cabeling to me. What happens is that your disk access > fails and then it seems to go through a reset. That pretty > much kills performance. > > I have no idea why this does not happen on normal access. > Is this perhaps on an old OCZ SSD? These use compression > and perform much worse with incompressible data. These are two different 4TB USB 3 hard drives (not SSDs). Since it's two different (from different vendors) and new disks, I assume they're not dying just now. _______________________________________________ dm-crypt mailing list dm-crypt@xxxxxxxx http://www.saout.de/mailman/listinfo/dm-crypt
