>>>>> "Gionatan" == Gionatan Danti <g.danti@xxxxxxxxxx> writes: Gionatan> I *think* that, as this TRIM command is processed way above Gionatan> the ATA layer (it is processed inside the device-mapper code), Gionatan> the bug should not happen here. Is it correct? Are we safe Gionatan> with ThinLVM + MDRAID10 + HDDs? The problem only occurs if you are using MD linear/raid0/raid10 on top of a device that implements either DSM TRIM (SATA) or UNMAP (SCSI). If the device prefers WRITE SAME w/ UNMAP or if it does not support discards at all there is no problem. -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
