>>>>> "Bernd" == Bernd Schubert <bschubert@xxxxxxx> writes: Bernd, Bernd> I have seen data corruption on an Intel SSD 510 after sending Bernd> WRITE SAME UNMAP. As far as I remember, these disks ignore writes Bernd> after sending that command. Unmap worked fine, though. So Bernd> possibly there is another blacklisting required. Well, the 510 is a SATA drive and doesn't implement either command so that would be an LSI SATL problem. I recall that we had some problems with the LSI firmware blacklisting DRAT/RZAT on that particular drive so I did the same in my libata patch. I don't have any bugs open with WRITE SAME or UNMAP on recent LSI firmware, though. We use it extensively here. -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html